[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15204915#comment-15204915 ]
Lars Hofhansl commented on HBASE-12148: --------------------------------------- If this read load you're applying? Or mixed read-write load? If the problem is actual contention (threads lock each other out and get suspended) then we should be able to help with read/write locks or mutable/immutable tracker as I suggest above. > Remove TimeRangeTracker as point of contention when many threads writing a > Store > -------------------------------------------------------------------------------- > > Key: HBASE-12148 > URL: https://issues.apache.org/jira/browse/HBASE-12148 > Project: HBase > Issue Type: Sub-task > Components: Performance > Affects Versions: 2.0.0, 0.99.1 > Reporter: stack > Assignee: Walter Koetke > Fix For: 2.0.0, 1.3.0, 0.98.19 > > Attachments: > 0001-In-AtomicUtils-change-updateMin-and-updateMax-to-ret.patch, > 12148.addendum.txt, 12148.txt, 12148.txt, 12148v2.txt, 12148v2.txt, > HBASE-12148-V3.patch, HBASE-12148.txt, HBASE-12148V2.txt, Screen Shot > 2014-10-01 at 3.39.46 PM.png, Screen Shot 2014-10-01 at 3.41.07 PM.png, > TimeRangeTracker.tiff > > -- This message was sent by Atlassian JIRA (v6.3.4#6332)