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Zhihong Yu commented on HBASE-5225: ----------------------------------- Patch looks good. {code} + * oldest in-memory edit's lsn for the region that was being flushed. {code} Please replace lsn above with 'log-seq-number'. {code} + * lsn of the earliest in-memory lsn - which is now in the memstore snapshot - {code} The first part of the above sentence should read 'the earliest in-memory log-seq-number'. {code} + // lastSeqWritten.putIfAbsent() in append() and we will always win + // before releasing cacheFlushLock make sure that the region's entry in {code} Please put a period after 'win' so that it is easier to read. {code} + LOG.error("Logic Error region " + Bytes.toString(encodedRegionName) + + "acquired edits out of order current memstore seq=" {code} A space is needed before 'acquired'. > Backport HBASE-3845 -data loss because lastSeqWritten can miss memstore edits > ----------------------------------------------------------------------------- > > Key: HBASE-5225 > URL: https://issues.apache.org/jira/browse/HBASE-5225 > Project: HBase > Issue Type: Bug > Affects Versions: 0.90.4 > Reporter: ramkrishna.s.vasudevan > Assignee: ramkrishna.s.vasudevan > Fix For: 0.90.6 > > Attachments: HBASE-3845-90.patch > > > Critical defect. Patch from HBASE-3845 was not integrated to 0.90. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira