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Walter Koetke commented on HBASE-12148: --------------------------------------- Lars, can you be more specific about what the problem is with having just this one implementation, as opposed to one that's synchronized and one that is not? Unless there is a mistake in this patched TimeRangeTracker as implemented, the intent is that it would be thread safe and support both usages, with the AtomicReference, the compareAndSet, etc. > 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)