[ https://issues.apache.org/jira/browse/HBASE-13301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14494152#comment-14494152 ]
Hudson commented on HBASE-13301: -------------------------------- FAILURE: Integrated in HBase-0.98 #948 (See [https://builds.apache.org/job/HBase-0.98/948/]) HBASE-13301 Possible memory leak in BucketCache (zhangduo: rev 0169cbfde8967044ef1248e8fa91dcd8abc83f14) * hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/bucket/TestBucketCache.java * hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/CacheTestUtils.java * hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.java * hbase-server/src/main/java/org/apache/hadoop/hbase/util/IdLock.java * hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/CachedEntryQueue.java > Possible memory leak in BucketCache > ----------------------------------- > > Key: HBASE-13301 > URL: https://issues.apache.org/jira/browse/HBASE-13301 > Project: HBase > Issue Type: Bug > Components: BlockCache > Reporter: zhangduo > Assignee: zhangduo > Fix For: 2.0.0, 1.1.0, 0.98.13, 1.0.2 > > Attachments: HBASE-13301-0.98.patch, HBASE-13301-0.98_v1.patch, > HBASE-13301-branch-1.0.patch, HBASE-13301-branch-1.0.patch, > HBASE-13301-branch-1.0_v1.patch, HBASE-13301-branch-1.patch, > HBASE-13301-branch-1_v1.patch, HBASE-13301-testcase.patch, > HBASE-13301-testcase_v1.patch, HBASE-13301.patch, HBASE-13301_v1.patch, > HBASE-13301_v2.patch, HBASE-13301_v3.patch > > > {code:title=BucketCache.java} > public boolean evictBlock(BlockCacheKey cacheKey) { > ... > if (bucketEntry.equals(backingMap.remove(cacheKey))) { > bucketAllocator.freeBlock(bucketEntry.offset()); > realCacheSize.addAndGet(-1 * bucketEntry.getLength()); > blocksByHFile.remove(cacheKey.getHfileName(), cacheKey); > if (removedBlock == null) { > this.blockNumber.decrementAndGet(); > } > } else { > return false; > } > ... > {code} > I think the problem is here. We remove a BucketEntry that should not be > removed by us, but we do not put it back and also do not do any clean up. -- This message was sent by Atlassian JIRA (v6.3.4#6332)