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HBASE-15416 TestHFileBackedByBucketCache is flakey since it went in

This commit is contained in:
stack 2016-03-07 16:31:09 -08:00
parent ed977fd125
commit 0f14856b01
1 changed files with 10 additions and 4 deletions
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14
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBackedByBucketCache.java
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@ -42,7 +42,7 @@ import org.apache.hadoop.hbase.io.compress.Compression;
import org.apache.hadoop.hbase.io.hfile.bucket.BucketAllocator;
import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;
import org.apache.hadoop.hbase.testclassification.IOTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
@ -53,7 +53,10 @@ import org.junit.rules.TestRule;
/**
* Test for file-backed BucketCache.
*/
@Category({IOTests.class, SmallTests.class})
// This is marked a LargeTest so it runs in its own JVM. We do this because we are making use of
// the cache and the cache is global. We don't want any other concurrent test polluting ours which
// can happen if more than one test in a single JVM which can happen when tests are small.
@Category({IOTests.class, LargeTests.class})
public class TestHFileBackedByBucketCache {
private static final Log LOG = LogFactory.getLog(TestHFileBackedByBucketCache.class);
@Rule public TestName name = new TestName();
@ -134,11 +137,14 @@ public class TestHFileBackedByBucketCache {
this.conf.setStrings("hbase.bucketcache.bucket.sizes", Integer.toString(BUCKETSIZE));
// This is minimum bucketcache size.... 1MB.
this.conf.setInt("hbase.bucketcache.size", 1);
CacheConfig cacheConfig = new CacheConfig(conf);
Path hfilePath = new Path(TEST_UTIL.getDataTestDir(), this.name.getMethodName());
// Write 8 entries which should make for four hfileBlocks.
final int count = 8;
final int hfileBlockCount = 4;
Path hfilePath = new Path(TEST_UTIL.getDataTestDir(), this.name.getMethodName());
// Clear out any existing global cache instance. Will pollute our tests below. Any concurrent
// running test will pollute our results below.
CacheConfig.GLOBAL_BLOCK_CACHE_INSTANCE = null;
CacheConfig cacheConfig = new CacheConfig(conf);
List<Cell> writtenCells = writeFile(hfilePath, Compression.Algorithm.NONE, cacheConfig, count);
CacheStats stats = cacheConfig.getBlockCache().getStats();
List<Cell> readCells = readFile(hfilePath, cacheConfig);