[ https://issues.apache.org/jira/browse/CASSANDRA-5966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rick Branson updated CASSANDRA-5966: ------------------------------------ Attachment: 5966-trunk.txt Patch for trunk. > Average name query performance much worse for wide rows > ------------------------------------------------------- > > Key: CASSANDRA-5966 > URL: https://issues.apache.org/jira/browse/CASSANDRA-5966 > Project: Cassandra > Issue Type: Bug > Reporter: Rick Branson > Assignee: Rick Branson > Fix For: 1.2.10, 2.0.1 > > Attachments: 5966-trunk.txt, 5966.txt, 5966-v2.txt > > > The average performance for by-name queries degrades heavily on wide rows. > This is because in the wide row case SSTableNamesIterator deserializes every > column in the entire row chunk (64KB by default), where-as in the narrow row > case, it stops deserializing as soon as it's found the columns it's looking > for. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira