[ https://issues.apache.org/jira/browse/CASSANDRA-2235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12998870#comment-12998870 ]
Jonathan Ellis commented on CASSANDRA-2235: ------------------------------------------- bq. We found that the way we are seeking in the file, BRAF keeps flushing out its buffer of 8MB, and we call dfile.sync() on every row fixed in CASSANDRA-2218 > Counter AES performance issue > ----------------------------- > > Key: CASSANDRA-2235 > URL: https://issues.apache.org/jira/browse/CASSANDRA-2235 > Project: Cassandra > Issue Type: Bug > Reporter: Chris Goffinet > Assignee: Chris Goffinet > Fix For: 0.8 > > > We noticed tonight when trying out AES for Counters in trunk, there is a > serious performance issue when inlining the SSTables. We found that the way > we are seeking in the file, BRAF keeps flushing out its buffer of 8MB, and we > call dfile.sync() on every row. We are finalizing a patch to write a new > SSTable on rebuild, instead of inlining. -- This message is automatically generated by JIRA. - For more information on JIRA, see: http://www.atlassian.com/software/jira