[jira] [Commented] (CASSANDRA-4182) multithreaded compaction very slow with large single data file and a few tiny data files

2012-04-27 Thread Karl Mueller (JIRA)
[ https://issues.apache.org/jira/browse/CASSANDRA-4182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13263907#comment-13263907 ] Karl Mueller commented on CASSANDRA-4182: - Yes I figure it's a worst-case scen

[jira] [Commented] (CASSANDRA-4182) multithreaded compaction very slow with large single data file and a few tiny data files

2012-04-27 Thread Jonathan Ellis (JIRA)
[ https://issues.apache.org/jira/browse/CASSANDRA-4182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13263660#comment-13263660 ] Jonathan Ellis commented on CASSANDRA-4182: --- bq. a very large SStable and a

[jira] [Commented] (CASSANDRA-4182) multithreaded compaction very slow with large single data file and a few tiny data files

2012-04-27 Thread Karl Mueller (JIRA)
[ https://issues.apache.org/jira/browse/CASSANDRA-4182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13263492#comment-13263492 ] Karl Mueller commented on CASSANDRA-4182: - Yes it maxes one CPU. That's what

[jira] [Commented] (CASSANDRA-4182) multithreaded compaction very slow with large single data file and a few tiny data files

2012-04-26 Thread MaHaiyang (JIRA)
[ https://issues.apache.org/jira/browse/CASSANDRA-4182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13263407#comment-13263407 ] MaHaiyang commented on CASSANDRA-4182: -- 273m58.740s (multihtreaded disabled) for