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[HBASE-18127] Allow regionobserver to optionally skip postPut/postDelete when postBatchMutate was called
...Right now a RegionObserver can only statically implement one or the other. In scenarios where we need to work sometimes on the single postPut and postDelete hooks and sometimes on the batchM...
, 2017-07-24, 14:17
[HBASE-18228] HBCK improvements
...We just had a prod issue and running HBCK the way we did actually causes more problems.In part HBCK did stuff we did not expect, in part we had little visibility into what HBCK was doing, an...
, 2017-07-06, 16:56
[HBASE-7320] Remove KeyValue.getBuffer()
...In many places this is simple task of just replacing the method name.There, however, quite a few places where we assume that: the entire KV is backed by a single byte array the KVs key porti...
, 2017-07-05, 23:13
[HBASE-17893] Allow HBase to build against Hadoop 2.8.0
...[ERROR] Failed to execute goal org.apache.maven.plugins:maven-remote-resources-plugin:1.5:process (default) on project hbase-assembly: Error rendering velocity resource. Error invoking metho...
, 2017-07-05, 20:30
[HBASE-12457] Regions in transition for a long time when CLOSE interleaves with a slow compaction
...Under heave load we have observed regions remaining in transition for 20 minutes when the master requests a close while a slow compaction is running.The pattern is always something like this...
, 2017-07-03, 04:48
[HBASE-13082] Coarsen StoreScanner locks to RegionScanner
...Continuing where HBASE-10015 left of.We can avoid locking (and memory fencing) inside StoreScanner by deferring to the lock already held by the RegionScanner.In tests this shows quite a scan...
, 2017-06-20, 07:42
[HBASE-18165] Predicate based deletion during major compactions
...In many cases it is expensive to place a delete per version, column, or family.HBase should have way to specify a predicate and remove all Cells matching the predicate during the next compac...
, 2017-06-05, 22:35
[HBASE-18000] Make sure we always return the scanner id with ScanResponse
...Some external tooling (like OpenTSDB) relies on the scanner id to tie asynchronous responses back to their requests.(see comments on HBASE-17489)...
, 2017-05-23, 08:53
[HBASE-6580] Deprecate HTablePool in favor of HConnection.getTable(...)
...Update:I now propose deprecating HTablePool and instead introduce a getTable method on HConnection and allow HConnection to manage the ThreadPool.Initial proposal:Here I propose a very simpl...
, 2017-04-30, 22:23
[HBASE-17877] Improve HBase's byte comparator
...Vikas Vishwakarma did some extensive tests and found that Hadoop's version is faster - dramatically faster in some cases.Patch forthcoming....
, 2017-04-28, 00:46
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