HBASE-23588 : Cache index & bloom blocks on write if CacheCompactedBlocksOnWrite is enabled

Signed-off-by: ramkrish86 <ramkrishna@apache.org>
Signed-off-by: chenxu14 <47170471+chenxu14@users.noreply.github.com>

hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheConfig.java

@@ -117,10 +117,10 @@ public class CacheConfig {
   private boolean cacheDataOnWrite;
 
   /** Whether index blocks should be cached when new files are written */
-  private final boolean cacheIndexesOnWrite;
+  private boolean cacheIndexesOnWrite;
 
   /** Whether compound bloom filter blocks should be cached on write */
-  private final boolean cacheBloomsOnWrite;
+  private boolean cacheBloomsOnWrite;
 
   /** Whether blocks of a file should be evicted when the file is closed */
   private boolean evictOnClose;
@@ -275,6 +275,20 @@ public class CacheConfig {
     this.cacheDataOnWrite = cacheDataOnWrite;
   }
 
+
+  /**
+   * Enable cache on write including:
+   * cacheDataOnWrite
+   * cacheIndexesOnWrite
+   * cacheBloomsOnWrite
+   */
+  public void enableCacheOnWrite() {
+    this.cacheDataOnWrite = true;
+    this.cacheIndexesOnWrite = true;
+    this.cacheBloomsOnWrite = true;
+  }
+
+
   /**
    * @return true if index blocks should be written to the cache when an HFile
    *         is written, false if not

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java

@@ -1120,9 +1120,26 @@ public class HStore implements Store, HeapSize, StoreConfigInformation, Propagat
     if (isCompaction) {
       // Don't cache data on write on compactions, unless specifically configured to do so
       writerCacheConf = new CacheConfig(cacheConf);
-      writerCacheConf.setCacheDataOnWrite(cacheConf.shouldCacheCompactedBlocksOnWrite());
+      final boolean shouldCacheCompactedBlocksOnWrite = cacheConf
+        .shouldCacheCompactedBlocksOnWrite();
+      // if data blocks are to be cached on write
+      // during compaction, we should forcefully
+      // cache index and bloom blocks as well
+      if (shouldCacheCompactedBlocksOnWrite) {
+        writerCacheConf.enableCacheOnWrite();
+        LOG.info("cacheCompactedBlocksOnWrite is true, hence enabled cacheOnWrite for " +
+          "Data blocks, Index blocks and Bloom filter blocks");
+      } else {
+        writerCacheConf.setCacheDataOnWrite(false);
+      }
     } else {
       writerCacheConf = cacheConf;
+      final boolean shouldCacheDataOnWrite = cacheConf.shouldCacheDataOnWrite();
+      if (shouldCacheDataOnWrite) {
+        writerCacheConf.enableCacheOnWrite();
+        LOG.info("cacheDataOnWrite is true, hence enabled cacheOnWrite for " +
+          "Index blocks and Bloom filter blocks");
+      }
     }
     InetSocketAddress[] favoredNodes = null;
     if (region.getRegionServerServices() != null) {

hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java

@@ -5317,15 +5317,19 @@ public class TestFromClientSide {
         put.addColumn(FAMILY, QUALIFIER, data);
         table.put(put);
         assertTrue(Bytes.equals(table.get(new Get(ROW)).value(), data));
+
         // data was in memstore so don't expect any changes
         assertEquals(startBlockCount, cache.getBlockCount());
         assertEquals(startBlockHits, cache.getStats().getHitCount());
         assertEquals(startBlockMiss, cache.getStats().getMissCount());
+
         // flush the data
-        System.out.println("Flushing cache");
+        LOG.debug("Flushing cache");
         region.flush(true);
-        // expect one more block in cache, no change in hits/misses
+
-        long expectedBlockCount = startBlockCount + 1;
+        // expect two more blocks in cache - DATA and ROOT_INDEX
+        // , no change in hits/misses
+        long expectedBlockCount = startBlockCount + 2;
         long expectedBlockHits = startBlockHits;
         long expectedBlockMiss = startBlockMiss;
         assertEquals(expectedBlockCount, cache.getBlockCount());
@@ -5351,7 +5355,9 @@ public class TestFromClientSide {
         // flush, one new block
         System.out.println("Flushing cache");
         region.flush(true);
-        assertEquals(++expectedBlockCount, cache.getBlockCount());
+
+        // + 1 for Index Block
+        assertEquals(++expectedBlockCount + 1, cache.getBlockCount());
         assertEquals(expectedBlockHits, cache.getStats().getHitCount());
         assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
         // compact, net minus two blocks, two hits, no misses

hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheOnWrite.java

@@ -31,6 +31,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Random;
+import java.util.Set;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
@@ -73,6 +74,7 @@ import org.junit.runners.Parameterized.Parameters;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableSet;
 import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
 
 /**
@@ -109,6 +111,23 @@ public class TestCacheOnWrite {
   private static final BloomType BLOOM_TYPE = BloomType.ROWCOL;
   private static final int CKBYTES = 512;
 
+
+  private static final Set<BlockType> INDEX_BLOCK_TYPES = ImmutableSet.of(
+    BlockType.INDEX_V1,
+    BlockType.INTERMEDIATE_INDEX,
+    BlockType.ROOT_INDEX,
+    BlockType.LEAF_INDEX
+  );
+  private static final Set<BlockType> BLOOM_BLOCK_TYPES = ImmutableSet.of(
+    BlockType.BLOOM_CHUNK,
+    BlockType.GENERAL_BLOOM_META,
+    BlockType.DELETE_FAMILY_BLOOM_META
+  );
+  private static final Set<BlockType> DATA_BLOCK_TYPES = ImmutableSet.of(
+    BlockType.ENCODED_DATA,
+    BlockType.DATA
+  );
+
   /** The number of valid key types possible in a store file */
   private static final int NUM_VALID_KEY_TYPES =
       KeyValue.Type.values().length - 2;
@@ -422,9 +441,13 @@ public class TestCacheOnWrite {
       final String cf = "myCF";
       final byte[] cfBytes = Bytes.toBytes(cf);
       final int maxVersions = 3;
-      ColumnFamilyDescriptor cfd = ColumnFamilyDescriptorBuilder.newBuilder(cfBytes)
+      ColumnFamilyDescriptor cfd = ColumnFamilyDescriptorBuilder
-          .setCompressionType(compress).setBloomFilterType(BLOOM_TYPE).setMaxVersions(maxVersions)
+        .newBuilder(cfBytes)
-          .setDataBlockEncoding(NoOpDataBlockEncoder.INSTANCE.getDataBlockEncoding()).build();
+        .setCompressionType(compress)
+        .setBloomFilterType(BLOOM_TYPE)
+        .setMaxVersions(maxVersions)
+        .setDataBlockEncoding(NoOpDataBlockEncoder.INSTANCE.getDataBlockEncoding())
+        .build();
       HRegion region = TEST_UTIL.createTestRegion(table, cfd, blockCache);
       int rowIdx = 0;
       long ts = EnvironmentEdgeManager.currentTime();
@@ -462,21 +485,36 @@ public class TestCacheOnWrite {
       LOG.debug("compactStores() returned");
 
       boolean dataBlockCached = false;
+      boolean bloomBlockCached = false;
+      boolean indexBlockCached = false;
+
       for (CachedBlock block : blockCache) {
-        if (BlockType.ENCODED_DATA.equals(block.getBlockType())
+        if (DATA_BLOCK_TYPES.contains(block.getBlockType())) {
-            || BlockType.DATA.equals(block.getBlockType())) {
           dataBlockCached = true;
-          break;
+        } else if (BLOOM_BLOCK_TYPES.contains(block.getBlockType())) {
+          bloomBlockCached = true;
+        } else if (INDEX_BLOCK_TYPES.contains(block.getBlockType())) {
+          indexBlockCached = true;
         }
       }
 
       // Data blocks should be cached in instances where we are caching blocks on write. In the case
       // of testing
       // BucketCache, we cannot verify block type as it is not stored in the cache.
-      assertTrue(
+      boolean cacheOnCompactAndNonBucketCache = cacheBlocksOnCompaction
-        "\nTest description: " + testDescription + "\ncacheBlocksOnCompaction: "
+        && !(blockCache instanceof BucketCache);
-            + cacheBlocksOnCompaction + "\n",
+
-        (cacheBlocksOnCompaction && !(blockCache instanceof BucketCache)) == dataBlockCached);
+      String assertErrorMessage = "\nTest description: " + testDescription +
+        "\ncacheBlocksOnCompaction: "
+        + cacheBlocksOnCompaction + "\n";
+
+      assertEquals(assertErrorMessage, cacheOnCompactAndNonBucketCache, dataBlockCached);
+
+      if (cacheOnCompactAndNonBucketCache) {
+        assertTrue(assertErrorMessage, bloomBlockCached);
+        assertTrue(assertErrorMessage, indexBlockCached);
+      }
+
 
       region.close();
     } finally {
@@ -496,4 +534,5 @@ public class TestCacheOnWrite {
     testCachingDataBlocksDuringCompactionInternals(false, false);
     testCachingDataBlocksDuringCompactionInternals(true, true);
   }
+
 }

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestCacheOnWriteInSchema.java

@@ -243,7 +243,10 @@ public class TestCacheOnWriteInSchema {
           offset);
         boolean isCached = cache.getBlock(blockCacheKey, true, false, true) != null;
         boolean shouldBeCached = cowType.shouldBeCached(block.getBlockType());
-        if (shouldBeCached != isCached) {
+        final BlockType blockType = block.getBlockType();
+
+        if (shouldBeCached != isCached &&
+            (cowType.blockType1.equals(blockType) || cowType.blockType2.equals(blockType))) {
           throw new AssertionError(
             "shouldBeCached: " + shouldBeCached+ "\n" +
             "isCached: " + isCached + "\n" +