Index: src/test/java/org/apache/hadoop/hbase/io/hfile/TestLruBlockCache.java =================================================================== --- src/test/java/org/apache/hadoop/hbase/io/hfile/TestLruBlockCache.java (revision 1213995) +++ src/test/java/org/apache/hadoop/hbase/io/hfile/TestLruBlockCache.java (working copy) @@ -81,6 +81,9 @@ CachedItem [] blocks = generateFixedBlocks(10, blockSize, "block"); + // Make sure eviction thread has started + Thread.sleep(10); + // Add all the blocks for (CachedItem block : blocks) { cache.cacheBlock(block.cacheKey, block);