Displaying #cassandra-dev/2017-01-05.log:

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Thu Jan 5 14:08:10 2017  iksaif:jeffj: looking at the histogram thingy. But are you sure that it's that important to have these estimates precise to the second ? I mean, they are used mostly with STCS which as a default tombstone_compaction_interval of one day ... even rounding to 5 minutes would greatly improve the performances.
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Thu Jan 5 16:58:58 2017  jeffj:iksaif: your rounding can be pretty significant if you round beyond the min/max timestamp of the table.
Thu Jan 5 16:59:14 2017  jeffj:iksaif: i'm going to see if i can throw together a trivial patch + microbenchmark this afternoon
Thu Jan 5 16:59:50 2017  jeffj:fixing streaming histogram will speed up streaming+compaction, so it'd be better to fix streaminghistogram than try to work around the rough edges
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Thu Jan 5 23:13:52 2017  rustyrazorblade:Anyone care to take a look at CASSANDRA-12979? I've posted patches for 2.2, 3.0, and trunk. Fixes compaction when disks are getting full. Has been deployed to production. I've included log output that shows it working as well.
Thu Jan 5 23:13:58 2017  CassBotJr:https://issues.apache.org/jira/browse/CASSANDRA-12979 (Patch Available; Unresolved; 2.2.9, 3.0.11, 4.0, 3.x): "checkAvailableDiskSpace doesn't update expectedWriteSize when reducing thread scope"
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