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Anoop Sam John updated HBASE-13855: ----------------------------------- Summary: Race in multi threaded PartitionedMobCompactor causes NPE (was: NPE in PartitionedMobCompactor) > Race in multi threaded PartitionedMobCompactor causes NPE > --------------------------------------------------------- > > Key: HBASE-13855 > URL: https://issues.apache.org/jira/browse/HBASE-13855 > Project: HBase > Issue Type: Sub-task > Components: mob > Affects Versions: hbase-11339 > Reporter: Jingcheng Du > Assignee: Jingcheng Du > Priority: Critical > Fix For: hbase-11339 > > Attachments: HBASE-13855.diff > > > In PartitionedMobCompactor, mob files are split into partitions, the > compactions of partitions run in parallel. > The partitions share the same set of del files. There might be race > conditions when open readers of del store files in each partition which can > cause NPE. > In this patch, we will pre-create the reader for each del store file to avoid > this issue. -- This message was sent by Atlassian JIRA (v6.3.4#6332)