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[HBASE-7141] Cleanup Increment and Append issues
...Append and Increment should take a TS for their update phase Append should access a timerange for the read phase Increment should no longer implement Writable (in trunk) Increment and Append...
, 2017-12-28, 05:57
[HBASE-4583] Integrate RWCC with Append and Increment operations
...Currently Increment and Append operations do not work with RWCC and hence a client could see the results of multiple such operation mixed in the same Get/Scan.The semantics might be a bit mo...
, 2017-12-28, 05:57
[HBASE-19534] Document risks of RegionObserver.preStoreScannerOpen
...We just had an outage because we used preStoreScannerOpen, which, in our case, created a new StoreScanner. In HBase versions before 1.3 this caused a definite memory leak, a reference to the...
, 2017-12-27, 21:58
[HBASE-19631] Allow building HBase 1.5.x against Hadoop 3.0.0
, 2017-12-26, 18:27
[HBASE-19458] Allow building HBase 1.3.x against Hadoop 2.8.2
...Currently the 1.3 branch cannot be built against Hadoop 2.8.2. (that latest stable 2.x release)....
, 2017-12-24, 08:34
[HBASE-15453] [Performance] Considering reverting HBASE-10015 - reinstate synchronized in StoreScanner
...In HBASE-10015 back then I found that intrinsic locks (synchronized) in StoreScanner are slower that explicit locks.I was surprised by this. To make sure I added a simple perf test and many ...
, 2017-12-23, 18:34
[HBASE-13094] Consider Filters that are evaluated before deletes and see delete markers
...That would be good for full control filtering of all cells, such as needed for some transaction implementations.Gary Helmling...
, 2017-12-23, 18:33
[HBASE-18127] Enable state to be passed between the region observer coprocessor hook calls
...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 ne...
, 2017-11-24, 06:49
[HBASE-9272] A parallel, unordered scanner
...The contract of ClientScanner is to return rows in sort order. That limits the order in which region can be scanned.I propose a simple ParallelScanner that does not have this requirement and...
, 2017-11-21, 16:30
[HBASE-12091] Optionally ignore edits for dropped tables for replication.
...We just ran into a scenario where we dropped a table from both the source and the sink, but the source still has outstanding edits that now it could not get rid of. Now all replication is ba...
, 2017-11-15, 18:53
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