LUCENE-9163: test speedup for slowest/pathological tests

Calming down individual test methods with double-digit execution times
after running tests many times.

There are a few more issues remaining, but this solves the majority of them.

lucene/analysis/common/src/test/org/apache/lucene/analysis/ar/TestArabicAnalyzer.java

@@ -112,7 +112,7 @@ public class TestArabicAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     ArabicAnalyzer a = new ArabicAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200*RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/bg/TestBulgarianAnalyzer.java

@@ -81,7 +81,7 @@ public class TestBulgarianAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     BulgarianAnalyzer a = new BulgarianAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/br/TestBrazilianAnalyzer.java

@@ -168,7 +168,7 @@ public class TestBrazilianAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     BrazilianAnalyzer a = new BrazilianAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/common/src/test/org/apache/lucene/analysis/ca/TestCatalanAnalyzer.java

@@ -61,7 +61,7 @@ public class TestCatalanAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     CatalanAnalyzer a = new CatalanAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/cjk/TestCJKAnalyzer.java

@@ -286,7 +286,7 @@ public class TestCJKAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer a = new CJKAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/common/src/test/org/apache/lucene/analysis/ckb/TestSoraniAnalyzer.java

@@ -76,7 +76,7 @@ public class TestSoraniAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer a = new SoraniAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/commongrams/CommonGramsFilterTest.java

@@ -334,7 +334,7 @@ public class CommonGramsFilterTest extends BaseTokenStreamTestCase {
       }
     };
     
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
     
     Analyzer b = new Analyzer() {

lucene/analysis/common/src/test/org/apache/lucene/analysis/compound/TestCompoundWordTokenFilter.java

@@ -375,7 +375,7 @@ public class TestCompoundWordTokenFilter extends BaseTokenStreamTestCase {
         return new TokenStreamComponents(tokenizer, new DictionaryCompoundWordTokenFilter(tokenizer, dict));
       }
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
     
     InputSource is = new InputSource(getClass().getResource("da_UTF8.xml").toExternalForm());

lucene/analysis/common/src/test/org/apache/lucene/analysis/de/TestGermanAnalyzer.java

@@ -68,7 +68,7 @@ public class TestGermanAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     GermanAnalyzer a = new GermanAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/el/GreekAnalyzerTest.java

@@ -69,7 +69,7 @@ public class GreekAnalyzerTest extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer a = new GreekAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/en/TestEnglishAnalyzer.java

@@ -58,7 +58,7 @@ public class TestEnglishAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer a = new EnglishAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/en/TestKStemmer.java

@@ -53,7 +53,7 @@ public class TestKStemmer extends BaseTokenStreamTestCase {
  
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
   }
   
   /** 

lucene/analysis/common/src/test/org/apache/lucene/analysis/en/TestPorterStemFilter.java

@@ -74,7 +74,7 @@ public class TestPorterStemFilter extends BaseTokenStreamTestCase {
   
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
   }
   
   public void testEmptyTerm() throws IOException {

lucene/analysis/common/src/test/org/apache/lucene/analysis/es/TestSpanishAnalyzer.java

@@ -54,7 +54,7 @@ public class TestSpanishAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer a = new SpanishAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/eu/TestBasqueAnalyzer.java

@@ -54,7 +54,7 @@ public class TestBasqueAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer a = new BasqueAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/fa/TestPersianAnalyzer.java

@@ -240,7 +240,7 @@ public class TestPersianAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     PersianAnalyzer a = new PersianAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/fi/TestFinnishAnalyzer.java

@@ -54,7 +54,7 @@ public class TestFinnishAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer a = new FinnishAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/fr/TestFrenchAnalyzer.java

@@ -168,7 +168,7 @@ public class TestFrenchAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer a = new FrenchAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/common/src/test/org/apache/lucene/analysis/ga/TestIrishAnalyzer.java

@@ -71,7 +71,7 @@ public class TestIrishAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer a = new IrishAnalyzer();
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/gl/TestGalicianMinimalStemFilter.java

@@ -80,7 +80,7 @@ public class TestGalicianMinimalStemFilter extends BaseTokenStreamTestCase {
   
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
   }
   
   public void testEmptyTerm() throws IOException {

lucene/analysis/common/src/test/org/apache/lucene/analysis/miscellaneous/TestASCIIFoldingFilter.java

@@ -1945,7 +1945,7 @@ public class TestASCIIFoldingFilter extends BaseTokenStreamTestCase {
           new ASCIIFoldingFilter(tokenizer, random().nextBoolean()));
       } 
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/common/src/test/org/apache/lucene/analysis/miscellaneous/TestCapitalizationFilter.java

@@ -135,7 +135,7 @@ public class TestCapitalizationFilter extends BaseTokenStreamTestCase {
       }
     };
     
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/common/src/test/org/apache/lucene/analysis/miscellaneous/TestHyphenatedWordsFilter.java

@@ -75,7 +75,7 @@ public class TestHyphenatedWordsFilter extends BaseTokenStreamTestCase {
       }
     };
     
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/common/src/test/org/apache/lucene/analysis/miscellaneous/TestKeepWordFilter.java

@@ -64,7 +64,7 @@ public class TestKeepWordFilter extends BaseTokenStreamTestCase {
       }
     };
     
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/miscellaneous/TestTrimFilter.java

@@ -58,7 +58,7 @@ public class TestTrimFilter extends BaseTokenStreamTestCase {
         return new TokenStreamComponents(tokenizer, new TrimFilter(tokenizer));
       } 
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/common/src/test/org/apache/lucene/analysis/miscellaneous/TestWordDelimiterGraphFilter.java

@@ -895,7 +895,7 @@ public class TestWordDelimiterGraphFilter extends BaseTokenStreamTestCase {
   }
 
   public void testRandomPaths() throws Exception {
-    int iters = atLeast(100);
+    int iters = atLeast(10);
     for(int iter=0;iter<iters;iter++) {
       String text = randomWDFText();
       if (VERBOSE) {

lucene/analysis/common/src/test/org/apache/lucene/analysis/pattern/TestPatternReplaceFilter.java

@@ -88,7 +88,7 @@ public class TestPatternReplaceFilter extends BaseTokenStreamTestCase {
         return new TokenStreamComponents(tokenizer, filter);
       }    
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
     
     Analyzer b = new Analyzer() {

lucene/analysis/common/src/test/org/apache/lucene/analysis/pattern/TestPatternTokenizer.java

@@ -132,7 +132,7 @@ public class TestPatternTokenizer extends BaseTokenStreamTestCase
         return new TokenStreamComponents(tokenizer);
       }    
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
     
     Analyzer b = new Analyzer() {

lucene/analysis/common/src/test/org/apache/lucene/analysis/pattern/TestSimplePatternSplitTokenizer.java

@@ -257,7 +257,7 @@ public class TestSimplePatternSplitTokenizer extends BaseTokenStreamTestCase {
         return new TokenStreamComponents(tokenizer);
       }    
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
     
     Analyzer b = new Analyzer() {

lucene/analysis/common/src/test/org/apache/lucene/analysis/pattern/TestSimplePatternTokenizer.java

@@ -202,7 +202,7 @@ public class TestSimplePatternTokenizer extends BaseTokenStreamTestCase {
         return new TokenStreamComponents(tokenizer);
       }    
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
     
     Analyzer b = new Analyzer() {

lucene/analysis/common/src/test/org/apache/lucene/analysis/reverse/TestReverseStringFilter.java

@@ -99,7 +99,7 @@ public class TestReverseStringFilter extends BaseTokenStreamTestCase {
         return new TokenStreamComponents(tokenizer, new ReverseStringFilter(tokenizer));
       }
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/ShingleFilterTest.java

@@ -1111,7 +1111,7 @@ public class ShingleFilterTest extends BaseTokenStreamTestCase {
         return new TokenStreamComponents(tokenizer, new ShingleFilter(tokenizer));
       }
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/common/src/test/org/apache/lucene/analysis/snowball/TestSnowball.java

@@ -132,7 +132,7 @@ public class TestSnowball extends BaseTokenStreamTestCase {
         return new TokenStreamComponents(t, new SnowballFilter(t, snowballLanguage));
       }  
     };
-    checkRandomData(random(), a, 100*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 20 * RANDOM_MULTIPLIER);
     a.close();
   }
 }

lucene/analysis/common/src/test/org/apache/lucene/analysis/standard/TestUAX29URLEmailAnalyzer.java

@@ -354,7 +354,7 @@ public class TestUAX29URLEmailAnalyzer extends BaseTokenStreamTestCase {
   
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
   }
 
   public void testMaxTokenLengthDefault() throws Exception {

lucene/analysis/common/src/test/org/apache/lucene/analysis/standard/TestUAX29URLEmailTokenizer.java

@@ -621,7 +621,7 @@ public class TestUAX29URLEmailTokenizer extends BaseTokenStreamTestCase {
 
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
   }
   
   /** blast some random large strings through the analyzer */

lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUFoldingFilter.java

@@ -91,7 +91,7 @@ public class TestICUFoldingFilter extends BaseTokenStreamTestCase {
   
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
   }
   
   public void testEmptyTerm() throws IOException {

lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUNormalizer2CharFilter.java

@@ -188,7 +188,7 @@ public class TestICUNormalizer2CharFilter extends BaseTokenStreamTestCase {
         return new ICUNormalizer2CharFilter(reader, Normalizer2.getInstance(null, "nfkc_cf", Normalizer2.Mode.COMPOSE));
       }
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     // huge strings
     checkRandomData(random(), a, 25*RANDOM_MULTIPLIER, 8192);
     a.close();
@@ -205,7 +205,7 @@ public class TestICUNormalizer2CharFilter extends BaseTokenStreamTestCase {
         return new ICUNormalizer2CharFilter(reader, Normalizer2.getInstance(null, "nfkc", Normalizer2.Mode.DECOMPOSE));
       }
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     // huge strings
     checkRandomData(random(), a, 25*RANDOM_MULTIPLIER, 8192);
     a.close();

lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUNormalizer2Filter.java

@@ -91,7 +91,7 @@ public class TestICUNormalizer2Filter extends BaseTokenStreamTestCase {
   
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
   }
   
   public void testEmptyTerm() throws IOException {

lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUTransformFilter.java

@@ -103,7 +103,7 @@ public class TestICUTransformFilter extends BaseTokenStreamTestCase {
         return new TokenStreamComponents(tokenizer, new ICUTransformFilter(tokenizer, transform));
       }
     };
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
     a.close();
   }
   

lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/segmentation/TestICUTokenizer.java

@@ -333,7 +333,7 @@ public class TestICUTokenizer extends BaseTokenStreamTestCase {
 
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
-    checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
   }
   
   /** blast some random large strings through the analyzer */

lucene/analysis/kuromoji/src/test/org/apache/lucene/analysis/ja/TestJapaneseBaseFormFilter.java

@@ -76,7 +76,7 @@ public class TestJapaneseBaseFormFilter extends BaseTokenStreamTestCase {
   }
   
   public void testRandomStrings() throws IOException {
-    checkRandomData(random(), analyzer, atLeast(1000));
+    checkRandomData(random(), analyzer, atLeast(200));
   }
   
   public void testEmptyTerm() throws IOException {

lucene/analysis/kuromoji/src/test/org/apache/lucene/analysis/ja/TestJapaneseNumberFilter.java

@@ -256,7 +256,12 @@ public class TestJapaneseNumberFilter extends BaseTokenStreamTestCase {
 
   @Test
   public void testRandomHugeStrings() throws Exception {
-    checkRandomData(random(), analyzer, 5 * RANDOM_MULTIPLIER, 8192);
+    checkRandomData(random(), analyzer, RANDOM_MULTIPLIER, 4096);
+  }
+  
+  @Test @Nightly
+  public void testRandomHugeStringsAtNight() throws Exception {
+    checkRandomData(random(), analyzer, 3 * RANDOM_MULTIPLIER, 8192);
   }
 
   @Test

lucene/analysis/kuromoji/src/test/org/apache/lucene/analysis/ja/TestJapaneseReadingFormFilter.java

@@ -103,8 +103,8 @@ public class TestJapaneseReadingFormFilter extends BaseTokenStreamTestCase {
 
   public void testRandomData() throws IOException {
     Random random = random();
-    checkRandomData(random, katakanaAnalyzer, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random, katakanaAnalyzer, 200*RANDOM_MULTIPLIER);
-    checkRandomData(random, romajiAnalyzer, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random, romajiAnalyzer, 200*RANDOM_MULTIPLIER);
   }
   
   public void testEmptyTerm() throws IOException {

lucene/analysis/kuromoji/src/test/org/apache/lucene/analysis/ja/TestJapaneseTokenizer.java

@@ -320,7 +320,16 @@ public class
   }
 
   /** blast some random large strings through the analyzer */
+  @Slow
   public void testRandomHugeStrings() throws Exception {
+    Random random = random();
+    checkRandomData(random, analyzer, RANDOM_MULTIPLIER, 4096);
+    checkRandomData(random, analyzerNoPunct, RANDOM_MULTIPLIER, 4096);
+    checkRandomData(random, analyzerNormalNBest, RANDOM_MULTIPLIER, 4096);
+  }
+  
+  @Nightly
+  public void testRandomHugeStringsAtNight() throws Exception {
     Random random = random();
     checkRandomData(random, analyzer, 3*RANDOM_MULTIPLIER, 8192);
     checkRandomData(random, analyzerNoPunct, 3*RANDOM_MULTIPLIER, 8192);
@@ -328,6 +337,22 @@ public class
   }
 
   public void testRandomHugeStringsMockGraphAfter() throws Exception {
+    // Randomly inject graph tokens after JapaneseTokenizer:
+    Random random = random();
+    Analyzer analyzer = new Analyzer() {
+      @Override
+      protected TokenStreamComponents createComponents(String fieldName) {
+        Tokenizer tokenizer = new JapaneseTokenizer(newAttributeFactory(), readDict(), false, Mode.SEARCH);
+        TokenStream graph = new MockGraphTokenFilter(random(), tokenizer);
+        return new TokenStreamComponents(tokenizer, graph);
+      }
+    };
+    checkRandomData(random, analyzer, RANDOM_MULTIPLIER, 4096);
+    analyzer.close();
+  }
+  
+  @Nightly
+  public void testRandomHugeStringsMockGraphAfterAtNight() throws Exception {
     // Randomly inject graph tokens after JapaneseTokenizer:
     Random random = random();
     Analyzer analyzer = new Analyzer() {
@@ -342,6 +367,7 @@ public class
     analyzer.close();
   }
 
+
   public void testLargeDocReliability() throws Exception {
     for (int i = 0; i < 10; i++) {
       String s = TestUtil.randomUnicodeString(random(), 10000);

lucene/analysis/nori/src/test/org/apache/lucene/analysis/ko/TestKoreanAnalyzer.java

@@ -80,7 +80,7 @@ public class TestKoreanAnalyzer extends BaseTokenStreamTestCase {
   public void testRandom() throws IOException {
     Random random = random();
     final Analyzer a = new KoreanAnalyzer();
-    checkRandomData(random, a, atLeast(1000));
+    checkRandomData(random, a, atLeast(200));
     a.close();
   }
 
@@ -90,7 +90,15 @@ public class TestKoreanAnalyzer extends BaseTokenStreamTestCase {
   public void testRandomHugeStrings() throws Exception {
     Random random = random();
     final Analyzer a = new KoreanAnalyzer();
-    checkRandomData(random, a, 2 * RANDOM_MULTIPLIER, 8192);
+    checkRandomData(random, a, RANDOM_MULTIPLIER, 4096);
+    a.close();
+  }
+  
+  @Nightly
+  public void testRandomHugeStringsAtNight() throws Exception {
+    Random random = random();
+    final Analyzer a = new KoreanAnalyzer();
+    checkRandomData(random, a, 3 * RANDOM_MULTIPLIER, 8192);
     a.close();
   }
 

lucene/analysis/nori/src/test/org/apache/lucene/analysis/ko/TestKoreanNumberFilter.java

@@ -274,6 +274,11 @@ public class TestKoreanNumberFilter extends BaseTokenStreamTestCase {
 
   @Test
   public void testRandomHugeStrings() throws Exception {
+    checkRandomData(random(), analyzer, RANDOM_MULTIPLIER, 4096);
+  }
+  
+  @Test @Nightly
+  public void testRandomHugeStringsAtNight() throws Exception {
     checkRandomData(random(), analyzer, 5 * RANDOM_MULTIPLIER, 8192);
   }
 

lucene/analysis/nori/src/test/org/apache/lucene/analysis/ko/TestKoreanTokenizer.java

@@ -375,6 +375,14 @@ public class TestKoreanTokenizer extends BaseTokenStreamTestCase {
 
   /** blast some random large strings through the tokenizer */
   public void testRandomHugeStrings() throws Exception {
+    Random random = random();
+    checkRandomData(random, analyzer, RANDOM_MULTIPLIER, 4096);
+    checkRandomData(random, analyzerUnigram, RANDOM_MULTIPLIER, 4096);
+    checkRandomData(random, analyzerDecompound, RANDOM_MULTIPLIER, 4096);
+  }
+  
+  @Nightly
+  public void testRandomHugeStringsAtNight() throws Exception {
     Random random = random();
     checkRandomData(random, analyzer, 3*RANDOM_MULTIPLIER, 8192);
     checkRandomData(random, analyzerUnigram, 3*RANDOM_MULTIPLIER, 8192);

lucene/analysis/nori/src/test/org/apache/lucene/analysis/ko/dict/TokenInfoDictionaryTest.java

@@ -86,6 +86,7 @@ public class TokenInfoDictionaryTest extends LuceneTestCase {
   }
 
   /** enumerates the entire FST/lookup data and just does basic sanity checks */
+  @Slow
   public void testEnumerateAll() throws Exception {
     // just for debugging
     int numTerms = 0;

lucene/analysis/phonetic/src/test/org/apache/lucene/analysis/phonetic/TestPhoneticFilter.java

@@ -94,7 +94,7 @@ public class TestPhoneticFilter extends BaseTokenStreamTestCase {
         }   
       };
       
-      checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
+      checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
       a.close();
       
       Analyzer b = new Analyzer() {

lucene/analysis/smartcn/src/test/org/apache/lucene/analysis/cn/smart/TestSmartChineseAnalyzer.java

@@ -255,14 +255,14 @@ public class TestSmartChineseAnalyzer extends BaseTokenStreamTestCase {
   /** blast some random strings through the analyzer */
   public void testRandomStrings() throws Exception {
     Analyzer analyzer = new SmartChineseAnalyzer();
-    checkRandomData(random(), analyzer, 1000*RANDOM_MULTIPLIER);
+    checkRandomData(random(), analyzer, 200 * RANDOM_MULTIPLIER);
     analyzer.close();
   }
 
   /** blast some random large strings through the analyzer */
   public void testRandomHugeStrings() throws Exception {
     Analyzer analyzer = new SmartChineseAnalyzer();
-    checkRandomData(random(), analyzer, 100*RANDOM_MULTIPLIER, 8192);
+    checkRandomData(random(), analyzer, 3 * RANDOM_MULTIPLIER, 8192);
     analyzer.close();
   }
 }

lucene/classification/src/test/org/apache/lucene/classification/BM25NBClassifierTest.java

@@ -91,10 +91,11 @@ public class BM25NBClassifierTest extends ClassificationTestBase<BytesRef> {
     }
   }
 
-  @Test
+  @Test @Slow
   public void testPerformance() throws Exception {
     MockAnalyzer analyzer = new MockAnalyzer(random());
-    LeafReader leafReader = getRandomIndex(analyzer, 100);
+    int numDocs = atLeast(10);
+    LeafReader leafReader = getRandomIndex(analyzer, numDocs);
     try {
       BM25NBClassifier classifier = new BM25NBClassifier(leafReader,
           analyzer, null, categoryFieldName, textFieldName);

lucene/classification/src/test/org/apache/lucene/classification/BooleanPerceptronClassifierTest.java

@@ -84,7 +84,8 @@ public class BooleanPerceptronClassifierTest extends ClassificationTestBase<Bool
   @Test
   public void testPerformance() throws Exception {
     MockAnalyzer analyzer = new MockAnalyzer(random());
-    LeafReader leafReader = getRandomIndex(analyzer, 100);
+    int numDocs = atLeast(10);
+    LeafReader leafReader = getRandomIndex(analyzer, numDocs);
     try {
       BooleanPerceptronClassifier classifier = new BooleanPerceptronClassifier(leafReader, analyzer, null, 1, null, booleanFieldName, textFieldName);
 

lucene/classification/src/test/org/apache/lucene/classification/CachingNaiveBayesClassifierTest.java

@@ -93,7 +93,8 @@ public class CachingNaiveBayesClassifierTest extends ClassificationTestBase<Byte
   @Test
   public void testPerformance() throws Exception {
     MockAnalyzer analyzer = new MockAnalyzer(random());
-    LeafReader leafReader = getRandomIndex(analyzer, 100);
+    int numDocs = atLeast(10);
+    LeafReader leafReader = getRandomIndex(analyzer,  numDocs);
     try {
       CachingNaiveBayesClassifier simpleNaiveBayesClassifier = new CachingNaiveBayesClassifier(leafReader,
           analyzer, null, categoryFieldName, textFieldName);

lucene/classification/src/test/org/apache/lucene/classification/KNearestFuzzyClassifierTest.java

@@ -67,7 +67,8 @@ public class KNearestFuzzyClassifierTest extends ClassificationTestBase<BytesRef
   @Test
   public void testPerformance() throws Exception {
     MockAnalyzer analyzer = new MockAnalyzer(random());
-    LeafReader leafReader = getRandomIndex(analyzer, 100);
+    int numDocs = atLeast(10);
+    LeafReader leafReader = getRandomIndex(analyzer, numDocs);
     try {
       Classifier<BytesRef> classifier = new KNearestFuzzyClassifier(leafReader, null, analyzer, null, 3, categoryFieldName, textFieldName);
 

lucene/classification/src/test/org/apache/lucene/classification/KNearestNeighborClassifierTest.java

@@ -123,7 +123,8 @@ public class KNearestNeighborClassifierTest extends ClassificationTestBase<Bytes
   @Test
   public void testPerformance() throws Exception {
     MockAnalyzer analyzer = new MockAnalyzer(random());
-    LeafReader leafReader = getRandomIndex(analyzer, 100);
+    int numDocs = atLeast(10);
+    LeafReader leafReader = getRandomIndex(analyzer,  numDocs);
     try {
       KNearestNeighborClassifier kNearestNeighborClassifier = new KNearestNeighborClassifier(leafReader, null,
           analyzer, null, 1, 1, 1, categoryFieldName, textFieldName);

lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java

@@ -96,7 +96,8 @@ public class SimpleNaiveBayesClassifierTest extends ClassificationTestBase<Bytes
   @Test
   public void testPerformance() throws Exception {
     MockAnalyzer analyzer = new MockAnalyzer(random());
-    LeafReader leafReader = getRandomIndex(analyzer, 100);
+    int numDocs = atLeast(10);
+    LeafReader leafReader = getRandomIndex(analyzer, numDocs);
     try {
       SimpleNaiveBayesClassifier simpleNaiveBayesClassifier = new SimpleNaiveBayesClassifier(leafReader,
           analyzer, null, categoryFieldName, textFieldName);

lucene/classification/src/test/org/apache/lucene/classification/utils/DataSplitterTest.java

@@ -66,7 +66,8 @@ public class DataSplitterTest extends LuceneTestCase {
 
     Document doc;
     Random rnd = random();
-    for (int i = 0; i < 1000; i++) {
+    int numDocs = atLeast(100);
+    for (int i = 0; i < numDocs; i++) {
       doc = new Document();
       doc.add(new Field(idFieldName, "id" + Integer.toString(i), ft));
       doc.add(new Field(textFieldName, TestUtil.randomUnicodeString(rnd, 1024), ft));

lucene/core/src/test/org/apache/lucene/codecs/lucene80/TestIndexedDISI.java

@@ -122,6 +122,8 @@ public class TestIndexedDISI extends LuceneTestCase {
     }
   }
 
+  // TODO: can this be toned down?
+  @Nightly
   public void testRandomBlocks() throws IOException {
     final int BLOCKS = 5;
     FixedBitSet set = createSetWithRandomBlocks(BLOCKS);

lucene/core/src/test/org/apache/lucene/codecs/lucene80/TestLucene80DocValuesFormat.java

@@ -87,7 +87,7 @@ public class TestLucene80DocValuesFormat extends BaseCompressingDocValuesFormatT
   public void testSortedSetVariableLengthBigVsStoredFields() throws Exception {
     int numIterations = atLeast(1);
     for (int i = 0; i < numIterations; i++) {
-      doTestSortedSetVsStoredFields(atLeast(300), 1, 32766, 16, 100);
+      doTestSortedSetVsStoredFields(atLeast(100), 1, 32766, 16, 100);
     }
   }
   
@@ -103,7 +103,7 @@ public class TestLucene80DocValuesFormat extends BaseCompressingDocValuesFormatT
   public void testSortedVariableLengthBigVsStoredFields() throws Exception {
     int numIterations = atLeast(1);
     for (int i = 0; i < numIterations; i++) {
-      doTestSortedVsStoredFields(atLeast(300), 1d, 1, 32766);
+      doTestSortedVsStoredFields(atLeast(100), 1d, 1, 32766);
     }
   }
   
@@ -439,7 +439,7 @@ public class TestLucene80DocValuesFormat extends BaseCompressingDocValuesFormatT
     }
   }
 
-  @Slow
+  @Nightly
   public void testSortedSetAroundBlockSize() throws IOException {
     final int frontier = 1 << Lucene80DocValuesFormat.DIRECT_MONOTONIC_BLOCK_SHIFT;
     for (int maxDoc = frontier - 1; maxDoc <= frontier + 1; ++maxDoc) {
@@ -492,7 +492,7 @@ public class TestLucene80DocValuesFormat extends BaseCompressingDocValuesFormatT
     }
   }
 
-  @Slow
+  @Nightly
   public void testSortedNumericAroundBlockSize() throws IOException {
     final int frontier = 1 << Lucene80DocValuesFormat.DIRECT_MONOTONIC_BLOCK_SHIFT;
     for (int maxDoc = frontier - 1; maxDoc <= frontier + 1; ++maxDoc) {
@@ -544,7 +544,7 @@ public class TestLucene80DocValuesFormat extends BaseCompressingDocValuesFormatT
     doTestSortedNumericBlocksOfVariousBitsPerValue(() -> TestUtil.nextInt(random(), 0, 2));
   }
 
-  @Slow
+  @Nightly
   public void testNumericBlocksOfVariousBitsPerValue() throws Exception {
     doTestSparseNumericBlocksOfVariousBitsPerValue(1);
   }

lucene/core/src/test/org/apache/lucene/document/BaseShapeTestCase.java

@@ -70,7 +70,7 @@ public abstract class BaseShapeTestCase extends LuceneTestCase {
 
   // A particularly tricky adversary for BKD tree:
   public void testSameShapeManyTimes() throws Exception {
-    int numShapes = atLeast(50);
+    int numShapes = TEST_NIGHTLY ? atLeast(50) : atLeast(10);
 
     // Every doc has 2 points:
     Object theShape = nextShape();

lucene/core/src/test/org/apache/lucene/document/TestLatLonShape.java

@@ -223,7 +223,7 @@ public class TestLatLonShape extends LuceneTestCase {
 
   /** test we can search for a point with a large number of vertices*/
   public void testLargeVertexPolygon() throws Exception {
-    int numVertices = TestUtil.nextInt(random(), 200000, 500000);
+    int numVertices = TEST_NIGHTLY ? TestUtil.nextInt(random(), 200000, 500000) : TestUtil.nextInt(random(), 20000, 50000);
     IndexWriterConfig iwc = newIndexWriterConfig();
     iwc.setMergeScheduler(new SerialMergeScheduler());
     int mbd = iwc.getMaxBufferedDocs();

lucene/core/src/test/org/apache/lucene/geo/TestTessellator.java

@@ -37,6 +37,17 @@ public class TestTessellator extends LuceneTestCase {
   }
 
   public void testSimpleTessellation() throws Exception {
+    Polygon poly = GeoTestUtil.createRegularPolygon(0.0, 0.0, 100000, 100000);
+    Polygon inner = new Polygon(new double[] {-1.0, -1.0, 0.5, 1.0, 1.0, 0.5, -1.0},
+        new double[]{1.0, -1.0, -0.5, -1.0, 1.0, 0.5, 1.0});
+    Polygon inner2 = new Polygon(new double[] {-1.0, -1.0, 0.5, 1.0, 1.0, 0.5, -1.0},
+        new double[]{-2.0, -4.0, -3.5, -4.0, -2.0, -2.5, -2.0});
+    poly = new Polygon(poly.getPolyLats(), poly.getPolyLons(), inner, inner2);
+    assertTrue(Tessellator.tessellate(poly).size() > 0);
+  }
+  
+  @Nightly
+  public void testSimpleTessellationAtNight() throws Exception {
     Polygon poly = GeoTestUtil.createRegularPolygon(0.0, 0.0, 1000000, 1000000);
     Polygon inner = new Polygon(new double[] {-1.0, -1.0, 0.5, 1.0, 1.0, 0.5, -1.0},
         new double[]{1.0, -1.0, -0.5, -1.0, 1.0, 0.5, 1.0});

lucene/core/src/test/org/apache/lucene/index/TestIndexWriterDelete.java

@@ -486,7 +486,8 @@ public class TestIndexWriterDelete extends LuceneTestCase {
     doTestOperationsOnDiskFull(false);
   }
 
-  @Slow
+  // TODO: can we tone this test down so it isn't crazy slow?
+  @Nightly
   public void testUpdatesOnDiskFull() throws IOException {
     doTestOperationsOnDiskFull(true);
   }

lucene/core/src/test/org/apache/lucene/index/TestIndexWriterExceptions.java

@@ -749,7 +749,7 @@ public class TestIndexWriterExceptions extends LuceneTestCase {
     };
 
     final int NUM_THREAD = 3;
-    final int NUM_ITER = 100;
+    final int NUM_ITER = atLeast(10);
 
     for(int i=0;i<2;i++) {
       Directory dir = newDirectory();
@@ -1950,6 +1950,8 @@ public class TestIndexWriterExceptions extends LuceneTestCase {
     }
   }
 
+  // TODO: can be super slow in pathological cases (merge config?)
+  @Nightly
   public void testMergeExceptionIsTragic() throws Exception {
     MockDirectoryWrapper dir = newMockDirectory();
     final AtomicBoolean didFail = new AtomicBoolean();

lucene/core/src/test/org/apache/lucene/index/TestNumericDocValuesUpdates.java

@@ -1522,7 +1522,7 @@ public class TestNumericDocValuesUpdates extends LuceneTestCase {
     IndexWriter writer = new IndexWriter(dir, conf);
     
     // test data: lots of documents (few 10Ks) and lots of update terms (few hundreds)
-    final int numDocs = atLeast(20000);
+    final int numDocs = TEST_NIGHTLY ? atLeast(20000) : atLeast(200);
     final int numNumericFields = atLeast(5);
     final int numTerms = TestUtil.nextInt(random, 10, 100); // terms should affect many docs
     Set<String> updateTerms = new HashSet<>();

lucene/core/src/test/org/apache/lucene/search/TestPhraseQuery.java

@@ -1031,7 +1031,7 @@ public class TestPhraseQuery extends LuceneTestCase {
   public void testRandomTopDocs() throws IOException {
     Directory dir = newDirectory();
     IndexWriter w = new IndexWriter(dir, newIndexWriterConfig());
-    int numDocs = atLeast(128 * 8 * 8 * 3); // make sure some terms have skip data
+    int numDocs = TEST_NIGHTLY ? atLeast(128 * 8 * 8 * 3) : atLeast(100); // at night, make sure some terms have skip data
     for (int i = 0; i < numDocs; ++i) {
       Document doc = new Document();
       int numTerms = random().nextInt(1 << random().nextInt(5));

lucene/core/src/test/org/apache/lucene/search/TestShardSearching.java

@@ -67,7 +67,7 @@ public class TestShardSearching extends ShardSearchingTestBase {
   public void testSimple() throws Exception {
     final int numNodes = TestUtil.nextInt(random(), 1, 10);
 
-    final double runTimeSec = atLeast(3);
+    final double runTimeSec = TEST_NIGHTLY ? atLeast(5) : atLeast(1);
 
     final int minDocsToMakeTerms = TestUtil.nextInt(random(), 5, 20);
 

lucene/core/src/test/org/apache/lucene/search/TestSynonymQuery.java

@@ -385,7 +385,7 @@ public class TestSynonymQuery extends LuceneTestCase {
   public void testRandomTopDocs() throws IOException {
     Directory dir = newDirectory();
     IndexWriter w = new IndexWriter(dir, newIndexWriterConfig());
-    int numDocs = atLeast(128 * 8 * 8 * 3); // make sure some terms have skip data
+    int numDocs = TEST_NIGHTLY ? atLeast(128 * 8 * 8 * 3) : atLeast(100); // at night, make sure some terms have skip data
     for (int i = 0; i < numDocs; ++i) {
       Document doc = new Document();
       int numValues = random().nextInt(1 << random().nextInt(5));

lucene/core/src/test/org/apache/lucene/util/TestDocIdSetBuilder.java

@@ -87,7 +87,7 @@ public class TestDocIdSetBuilder extends LuceneTestCase {
   }
 
   public void testRandom() throws IOException {
-    final int maxDoc = TestUtil.nextInt(random(), 1, 10000000);
+    final int maxDoc = TEST_NIGHTLY ? TestUtil.nextInt(random(), 1, 10000000) : TestUtil.nextInt(random(), 1, 100000) ;
     for (int i = 1 ; i < maxDoc / 2; i <<=1) {
       final int numDocs = TestUtil.nextInt(random(), 1, i);
       final FixedBitSet docs = new FixedBitSet(maxDoc);

lucene/core/src/test/org/apache/lucene/util/packed/TestPackedInts.java

@@ -937,7 +937,7 @@ public class TestPackedInts extends LuceneTestCase {
   }
 
   public void testPackedLongValues() {
-    final long[] arr = new long[RandomNumbers.randomIntBetween(random(), 1, TEST_NIGHTLY ? 1000000 : 100000)];
+    final long[] arr = new long[RandomNumbers.randomIntBetween(random(), 1, TEST_NIGHTLY ? 1000000 : 10000)];
     float[] ratioOptions = new float[]{PackedInts.DEFAULT, PackedInts.COMPACT, PackedInts.FAST};
     for (int bpv : new int[]{0, 1, 63, 64, RandomNumbers.randomIntBetween(random(), 2, 62)}) {
       for (DataType dataType : Arrays.asList(DataType.DELTA_PACKED)) {

lucene/expressions/src/test/org/apache/lucene/expressions/TestExpressionSorts.java

@@ -83,7 +83,7 @@ public class TestExpressionSorts extends LuceneTestCase {
   }
   
   public void testQueries() throws Exception {
-    int n = atLeast(4);
+    int n = atLeast(1);
     for (int i = 0; i < n; i++) {
       assertQuery(new MatchAllDocsQuery());
       assertQuery(new TermQuery(new Term("english", "one")));

lucene/facet/src/test/org/apache/lucene/facet/TestDrillSideways.java

@@ -489,7 +489,7 @@ public class TestDrillSideways extends FacetTestCase {
 
     int numDims = TestUtil.nextInt(random(), 2, 5);
     //int numDims = 3;
-    int numDocs = atLeast(3000);
+    int numDocs = atLeast(300);
     //int numDocs = 20;
     if (VERBOSE) {
       System.out.println(

lucene/facet/src/test/org/apache/lucene/facet/taxonomy/TestSearcherTaxonomyManager.java

@@ -226,7 +226,7 @@ public class TestSearcherTaxonomyManager extends FacetTestCase {
     final AtomicBoolean stop = new AtomicBoolean();
 
     // How many unique facets to index before stopping:
-    final int ordLimit = TEST_NIGHTLY ? 100000 : 6000;
+    final int ordLimit = TEST_NIGHTLY ? 100000 : 600;
 
     Thread indexer = new IndexerThread(w, config, tw, mgr, ordLimit, stop);
     indexer.start();

lucene/facet/src/test/org/apache/lucene/facet/taxonomy/TestTaxonomyCombined.java

@@ -706,7 +706,7 @@ public class TestTaxonomyCombined extends FacetTestCase {
     final int abOrd = trBase.getOrdinal(abPath);
     final int abYoungChildBase1 = ca1.children()[abOrd]; 
     
-    final int numCategories = atLeast(800);
+    final int numCategories = atLeast(200);
     for (int i = 0; i < numCategories; i++) {
       twBase.addCategory(new FacetLabel("a", "b", Integer.toString(i)));
     }
@@ -720,7 +720,7 @@ public class TestTaxonomyCombined extends FacetTestCase {
     final ParallelTaxonomyArrays ca2 = trBase.getParallelTaxonomyArrays();
     final int abYoungChildBase2 = ca2.children()[abOrd];
     
-    int numRetries = atLeast(50);
+    int numRetries = atLeast(10);
     for (int retry = 0; retry < numRetries; retry++) {
       assertConsistentYoungestChild(abPath, abOrd, abYoungChildBase1, abYoungChildBase2, retry, numCategories);
     }

lucene/facet/src/test/org/apache/lucene/facet/taxonomy/TestTaxonomyFacetCounts.java

@@ -401,7 +401,7 @@ public class TestTaxonomyFacetCounts extends FacetTestCase {
     FacetsConfig config = new FacetsConfig();
     config.setMultiValued("dim", true);
     
-    int numLabels = TestUtil.nextInt(random(), 40000, 100000);
+    int numLabels = TEST_NIGHTLY ? TestUtil.nextInt(random(), 40000, 100000) : TestUtil.nextInt(random(), 4000, 10000);
     
     Document doc = new Document();
     doc.add(newTextField("field", "text", Field.Store.NO));

lucene/facet/src/test/org/apache/lucene/facet/taxonomy/directory/TestDirectoryTaxonomyWriter.java

@@ -247,7 +247,7 @@ public class TestDirectoryTaxonomyWriter extends FacetTestCase {
   }
 
   public void testConcurrency() throws Exception {
-    final int ncats = atLeast(100000); // add many categories
+    final int ncats = TEST_NIGHTLY ? atLeast(100000)  : atLeast(1000); // at night, add many categories
     final int range = ncats * 3; // affects the categories selection
     final AtomicInteger numCats = new AtomicInteger(ncats);
     final Directory dir = newDirectory();

lucene/memory/src/test/org/apache/lucene/index/memory/TestMemoryIndexAgainstDirectory.java

@@ -83,8 +83,6 @@ import static org.hamcrest.CoreMatchers.equalTo;
 public class TestMemoryIndexAgainstDirectory extends BaseTokenStreamTestCase {
   private Set<String> queries = new HashSet<>();
   
-  public static final int ITERATIONS = 100 * RANDOM_MULTIPLIER;
-
   @Override
   public void setUp() throws Exception {
     super.setUp();
@@ -115,7 +113,8 @@ public class TestMemoryIndexAgainstDirectory extends BaseTokenStreamTestCase {
    */
   public void testRandomQueries() throws Exception {
     MemoryIndex index = randomMemoryIndex();
-    for (int i = 0; i < ITERATIONS; i++) {
+    int iterations = TEST_NIGHTLY ? 100 * RANDOM_MULTIPLIER : 10 * RANDOM_MULTIPLIER;
+    for (int i = 0; i < iterations; i++) {
       assertAgainstDirectory(index);
     }
   }

lucene/monitor/src/test/org/apache/lucene/monitor/TestCachePurging.java

@@ -73,7 +73,7 @@ public class TestCachePurging extends MonitorTestBase {
   }
 
   public void testConcurrentPurges() throws Exception {
-    int iters = Integer.getInteger("purgeIters", 2);
+    int iters = Integer.getInteger("purgeIters", 1);
     for (int i = 0; i < iters; i++) {
       doConcurrentPurgesAndUpdatesTest();
     }

lucene/spatial-extras/src/test/org/apache/lucene/spatial/spatial4j/Geo3dRptTest.java

@@ -157,8 +157,11 @@ public class Geo3dRptTest extends RandomSpatialOpStrategyTestCase {
     final List<Shape> queryShapes = new ArrayList<>();
     while(querySpatialData.hasNext()) {
       queryShapes.add(querySpatialData.next().shape);
-      queryShapes.add(randomQueryShape());
+      if (TEST_NIGHTLY) {
+        queryShapes.add(randomQueryShape());
+      }
     }
+    queryShapes.add(randomQueryShape());
     testOperation(SpatialOperation.Intersects, indexedShapes, queryShapes, random().nextBoolean());
   }
 }

lucene/spatial-extras/src/test/org/apache/lucene/spatial/spatial4j/Geo3dShapeWGS84ModelRectRelationTest.java

@@ -115,4 +115,22 @@ public class Geo3dShapeWGS84ModelRectRelationTest extends ShapeRectRelationTestC
 
     assertEquals(circle.relate(bPoint), SpatialRelation.CONTAINS);
   }
+  
+  // very slow, test sources are not all here, no clue how to fix it
+  @Nightly
+  public void testGeoCircleRect() {
+    super.testGeoCircleRect();
+  }
+  
+  // very slow, test sources are not all here, no clue how to fix it
+  @Nightly
+  public void testGeoPolygonRect() {
+    super.testGeoPolygonRect();
+  }
+
+  // very slow, test sources are not all here, no clue how to fix it
+  @Nightly
+  public void testGeoPathRect() {
+    super.testGeoPathRect();
+  }
 }

lucene/spatial-extras/src/test/org/apache/lucene/spatial/spatial4j/ShapeRectRelationTestCase.java

@@ -46,14 +46,14 @@ public abstract class ShapeRectRelationTestCase extends RandomizedShapeTestCase
       super(ctx);
     }
 
-    //20 times each -- should be plenty
+    //2 times each -- should be plenty
 
     protected int getContainsMinimum(int laps) {
-      return 20;
+      return 2;
     }
 
     protected int getIntersectsMinimum(int laps) {
-      return 20;
+      return 2;
     }
 
     // producing "within" cases in Geo3D based on our random shapes doesn't happen often. It'd be nice to increase this.
@@ -62,11 +62,11 @@ public abstract class ShapeRectRelationTestCase extends RandomizedShapeTestCase
     }
 
     protected int getDisjointMinimum(int laps) {
-      return 20;
+      return 2;
     }
 
     protected int getBoundingMinimum(int laps) {
-      return 20;
+      return 2;
     }
   }
 
@@ -117,6 +117,7 @@ public abstract class ShapeRectRelationTestCase extends RandomizedShapeTestCase
     }.testRelateWithRectangle();
   }
 
+  // very slow, and test sources are not here, so no clue how to fix
   @Test
   public void testGeoPolygonRect() {
     new AbstractRectIntersectionTestHelper(ctx) {

lucene/spatial3d/src/test/org/apache/lucene/spatial3d/TestGeo3DPoint.java

@@ -189,7 +189,7 @@ public class TestGeo3DPoint extends LuceneTestCase {
   /** Tests consistency of GeoArea.getRelationship vs GeoShape.isWithin */
   public void testGeo3DRelations() throws Exception {
 
-    int numDocs = atLeast(1000);
+    int numDocs = atLeast(200);
     if (VERBOSE) {
       System.out.println("TEST: " + numDocs + " docs");
     }
@@ -207,8 +207,6 @@ public class TestGeo3DPoint extends LuceneTestCase {
     int iters = atLeast(10);
 
     int recurseDepth = RandomNumbers.randomIntBetween(random(), 5, 15);
-
-    iters = atLeast(50);
     
     for(int iter=0;iter<iters;iter++) {
       GeoShape shape = randomShape();
@@ -472,7 +470,7 @@ public class TestGeo3DPoint extends LuceneTestCase {
   }
 
   public void testRandomMedium() throws Exception {
-    doTestRandom(10000);
+    doTestRandom(1000);
   }
 
   @Nightly

lucene/spatial3d/src/test/org/apache/lucene/spatial3d/geom/RandomGeo3dShapeGenerator.java

@@ -39,7 +39,7 @@ import static com.carrotsearch.randomizedtesting.RandomizedTest.randomDouble;
 public class RandomGeo3dShapeGenerator extends LuceneTestCase {
 
   /* Max num of iterations to find right shape under given constrains */
-  final private static int MAX_SHAPE_ITERATIONS = 50;
+  final private static int MAX_SHAPE_ITERATIONS = 20;
   /* Max num of iterations to find right point under given constrains */
   final private static int MAX_POINT_ITERATIONS = 1000;
 

lucene/spatial3d/src/test/org/apache/lucene/spatial3d/geom/RandomGeoPolygonTest.java

@@ -20,7 +20,6 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
-import com.carrotsearch.randomizedtesting.annotations.Repeat;
 import com.carrotsearch.randomizedtesting.generators.BiasedNumbers;
 import org.junit.Test;
 
@@ -30,7 +29,6 @@ import org.junit.Test;
 public class RandomGeoPolygonTest extends RandomGeo3dShapeGenerator {
 
   @Test
-  @Repeat(iterations = 10)
   public void testRandomLUCENE8157() {
     final PlanetModel planetModel = randomPlanetModel();
     final GeoPoint startPoint = randomGeoPoint(planetModel);
@@ -92,7 +90,6 @@ public class RandomGeoPolygonTest extends RandomGeo3dShapeGenerator {
    * biased doubles.
    */
   @Test
-  @Repeat(iterations = 10)
   //@AwaitsFix(bugUrl="https://issues.apache.org/jira/browse/LUCENE-8281")
   public void testCompareBigPolygons() {
     testComparePolygons(Math.PI);
@@ -103,7 +100,6 @@ public class RandomGeoPolygonTest extends RandomGeo3dShapeGenerator {
    * biased doubles.
    */
   @Test
-  @Repeat(iterations = 10)
   //@AwaitsFix(bugUrl="https://issues.apache.org/jira/browse/LUCENE-8281")
   public void testCompareSmallPolygons() {
     testComparePolygons(1e-4 * Math.PI);

lucene/spatial3d/src/test/org/apache/lucene/spatial3d/geom/RandomGeoShapeRelationshipTest.java

@@ -17,7 +17,6 @@
 
 package org.apache.lucene.spatial3d.geom;
 
-import com.carrotsearch.randomizedtesting.annotations.Repeat;
 import org.junit.Test;
 
 /**
@@ -32,7 +31,6 @@ public class RandomGeoShapeRelationshipTest extends RandomGeo3dShapeGenerator {
    *
    */
   @Test
-  @Repeat(iterations = 5)
   public void testRandomPointWithin() {
     int referenceShapeType = CONVEX_POLYGON;
     PlanetModel planetModel = randomPlanetModel();
@@ -65,7 +63,6 @@ public class RandomGeoShapeRelationshipTest extends RandomGeo3dShapeGenerator {
    * the original shape.
    *
    */
-  @Repeat(iterations = 5)
   public void testRandomPointNotWithin() {
     int referenceShapeType = CONVEX_POLYGON;
     PlanetModel planetModel = randomPlanetModel();
@@ -97,7 +94,6 @@ public class RandomGeoShapeRelationshipTest extends RandomGeo3dShapeGenerator {
    * Note that both shapes cannot be concave.
    */
   @Test
-  @Repeat(iterations = 5)
   public void testRandomDisjoint() {
     int referenceShapeType = CONVEX_SIMPLE_POLYGON;
     PlanetModel planetModel = randomPlanetModel();
@@ -136,7 +132,6 @@ public class RandomGeoShapeRelationshipTest extends RandomGeo3dShapeGenerator {
    * Note that if the geoAreaShape is not concave the other shape must be not concave.
    */
   @Test
-  @Repeat(iterations = 5)
   public void testRandomWithIn() {
     PlanetModel planetModel = randomPlanetModel();
     int geoAreaShapeType = randomGeoAreaShapeType();
@@ -187,7 +182,6 @@ public class RandomGeoShapeRelationshipTest extends RandomGeo3dShapeGenerator {
    *
    */
   @Test
-  @Repeat(iterations = 1)
   public void testRandomContains() {
     int referenceShapeType = CONVEX_SIMPLE_POLYGON;
     PlanetModel planetModel = randomPlanetModel();
@@ -236,7 +230,6 @@ public class RandomGeoShapeRelationshipTest extends RandomGeo3dShapeGenerator {
    * the geoAreaShape.
    */
   @Test
-  @Repeat(iterations = 5)
   public void testRandomOverlaps() {
     PlanetModel planetModel = randomPlanetModel();
     int geoAreaShapeType = randomGeoAreaShapeType();

lucene/test-framework/src/java/org/apache/lucene/analysis/BaseTokenStreamTestCase.java

@@ -549,7 +549,7 @@ public abstract class BaseTokenStreamTestCase extends LuceneTestCase {
     Directory dir = null;
     RandomIndexWriter iw = null;
     final String postingsFormat =  TestUtil.getPostingsFormat("dummy");
-    boolean codecOk = iterations * maxWordLength < 100000 || !(postingsFormat.equals("SimpleText"));
+    boolean codecOk = iterations * maxWordLength < 100000 && !(postingsFormat.equals("SimpleText"));
     if (rarely(random) && codecOk) {
       dir = newFSDirectory(createTempDir("bttc"));
       iw = new RandomIndexWriter(new Random(seed), dir, a);

lucene/test-framework/src/java/org/apache/lucene/index/BaseMergePolicyTestCase.java

@@ -388,7 +388,8 @@ public abstract class BaseMergePolicyTestCase extends LuceneTestCase {
    * Simulate an update use-case where documents are uniformly updated across segments.
    */
   public void testSimulateUpdates() throws IOException {
-    doTestSimulateUpdates(mergePolicy(), 10_000_000, 2500);
+    int numDocs = atLeast(1_000_000);
+    doTestSimulateUpdates(mergePolicy(), numDocs, 2500);
   }
 
   /**

lucene/test-framework/src/java/org/apache/lucene/index/BasePointsFormatTestCase.java

@@ -508,7 +508,7 @@ public abstract class BasePointsFormatTestCase extends BaseIndexFileFormatTestCa
   }
 
   public void testRandomBinaryMedium() throws Exception {
-    doTestRandomBinary(10000);
+    doTestRandomBinary(1000);
   }
 
   @Nightly

lucene/test-framework/src/java/org/apache/lucene/index/BaseTermVectorsFormatTestCase.java

@@ -586,6 +586,7 @@ public abstract class BaseTermVectorsFormatTestCase extends BaseIndexFileFormatT
     }
   }
 
+  @Slow
   public void testLotsOfFields() throws IOException {
     final RandomDocumentFactory docFactory = new RandomDocumentFactory(5000, 10);
     for (Options options : validOptions()) {

lucene/test-framework/src/java/org/apache/lucene/search/similarities/BaseSimilarityTestCase.java

@@ -251,7 +251,7 @@ public abstract class BaseSimilarityTestCase extends LuceneTestCase {
    */
   public void testRandomScoring() throws Exception {
     Random random = random();
-    final int iterations = atLeast(3);
+    final int iterations = atLeast(1);
     for (int i = 0; i < iterations; i++) {
       // pull a new similarity to switch up parameters
       Similarity similarity = getSimilarity(random);

lucene/test-framework/src/java/org/apache/lucene/util/BaseDocIdSetTestCase.java

@@ -79,7 +79,15 @@ public abstract class BaseDocIdSetTestCase<T extends DocIdSet> extends LuceneTes
     copy = copyOf(set, numBits); // then random index
     assertEquals(numBits, set, copy);
     // test regular increments
+    int maxIterations = TEST_NIGHTLY ? Integer.MAX_VALUE : 10;
+    int iterations = 0;
     for (int inc = 2; inc < 1000; inc += TestUtil.nextInt(random(), 1, 100)) {
+      // don't let this test run too many times, even if it gets unlucky with "inc"
+      if (iterations >= maxIterations) {
+        break;
+      }
+      iterations++;
+
       set = new BitSet(numBits);
       for (int d = random().nextInt(10); d < numBits; d += inc) {
         set.set(d);