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[HBASE-16175] Backport HBASE-15650 (Remove TimeRangeTracker as point of contention when many threads reading a StoreFile) to 0.98
...HBASE-15650 and subsequent refinement on HBASE-16074 is a nice performance optimization. Backport it to 0.98 and commit after a decent ITBLL run....
, 2016-07-23, 23:38
Feedback from the July 2016 board report
- [mail # dev]
...In our last board report we mentioned the several code lines we currentmanage and were asked to consider some form of support policy so thecommunity is able to make informed decisions about ...
, 2016-07-22, 23:21
[HBASE-15866] Split hbase.rpc.timeout into *.read.timeout and *.write.timeout
...We have a single tunable for the RPC timeout interval - hbase.rpc.timeout. This is fine for the general case but there are use cases where it would be advantageous to set two separate timeou...
, 2016-07-22, 18:17
[HBASE-11819] Unit test for CoprocessorHConnection
...Add a unit test to hbase-server that exercises CoprocessorHConnection ....
, 2016-07-16, 16:36
...Like MultiTableOutputFormat, but outputting HFiles. Key is tablename as an IBW. Creates sub-writers (code cut and pasted from HFileOutputFormat) on demand that produce HFiles in per-table su...
, 2016-07-16, 07:29
[HBASE-16131] Add optional docker image build and publish steps to release documentation and build_rc.sh
, 2016-07-15, 23:12
[HBASE-16220] Demote log level for "HRegionFileSystem - No StoreFiles for" messages to TRACE
...Messages like this can significantly accumulate in regionserver logs when a cluster is carrying empty tables. > 2016-07-07 15:59:59,994 DEBUG [region-location-1] regionserver.HReg...
, 2016-07-13, 12:22
[HBASE-14738] Backport HBASE-11927 (Use Native Hadoop Library for HFile checksum) to 0.98
...Profiling 0.98.15 I see 20-30% of CPU time spent in Hadoop's PureJavaCrc32. Not surprising given previous results described on HBASE-11927. Backport.There are two issues with the backport: T...
, 2016-07-13, 07:19
Re: [DISCUSS] EOM for 0.94?
- [mail # dev]
...I think the way we left this discussion before is someone is welcome tocome along and RM 0.94 if they like (and want to push forward the work youmention) but otherwise we are just going to l...
, 2016-07-12, 19:08
Re: Adding users as contributors
- [mail # dev]
...When you go to add a contributor to the list on JIRA even though it throwsan error if you add the entry and hit 'Update' the change is applied.Unfortunately until the permanent solution (sti...
, 2016-07-12, 17:28
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