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Jonathan Ellis commented on CASSANDRA-3930: ------------------------------------------- CASSANDRA-3578 has some patches that mean commitlog i/o may not be strictly sequential. > CommitLogSegment uses RandomAccessFile which doesnt have fadvice > ---------------------------------------------------------------- > > Key: CASSANDRA-3930 > URL: https://issues.apache.org/jira/browse/CASSANDRA-3930 > Project: Cassandra > Issue Type: Improvement > Affects Versions: 1.0.7 > Reporter: Vijay > Assignee: Vijay > Priority: Minor > Fix For: 1.1.1, 1.2 > > > Wondering if we even need MMap file in this case as it is always sequential. > If yes, we need it we might want to replace > logFileAccessor = new RandomAccessFile(logFile, "rw"); > to > logFileAccessor = SequentialWriter.open(logFile, true); > in CommitLogSegment -- 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