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huaxiang sun updated HBASE-15959: --------------------------------- Attachment: HBASE-15959-v004.patch Upload v3 based on [~jingcheng...@intel.com]'s comment, indeed it is a nicer solution as store.close() will move compacted files to archive, please add jingcheng's name to the author list, thanks. > Fix flaky test TestRegionServerMetrics.testMobMetrics > ----------------------------------------------------- > > Key: HBASE-15959 > URL: https://issues.apache.org/jira/browse/HBASE-15959 > Project: HBase > Issue Type: Bug > Reporter: Appy > Assignee: huaxiang sun > Attachments: HBASE-15959-v001.patch, HBASE-15959-v002.patch, > HBASE-15959-v003.patch, HBASE-15959-v004.patch > > > It flakes > [here|https://github.com/apache/hbase/blob/b557f0bec62a48753e5d01d7a47f3c9e5a6b3ee8/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerMetrics.java#L460]. > There are two weird things i identified: > 1. In second compaction, > [scanner|https://github.com/apache/hbase/blob/b557f0bec62a48753e5d01d7a47f3c9e5a6b3ee8/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java#L173] > has 10 storefiles. Shouldn't there be 6? 5 from recent flushes and 1 from > earlier compaction. Probably because mob cleaner doesn't clean old hfiles. > Does this needs fixing? > 2. Across runs, same cell (ie. same key) may or may not be considered mob > reference cell. > [here|https://github.com/apache/hbase/blob/b557f0bec62a48753e5d01d7a47f3c9e5a6b3ee8/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java#L213]. > This at least happens with row keys 0 - 4 (which got compacted earlier). > [~jmhsieh] Any ideas why this would happen. -- This message was sent by Atlassian JIRA (v6.3.4#6332)