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[HBASE-17885] Backport HBASE-15871 to branch-1
...Will try to rebase the branch-1 patch at the earliest. Hope the fix versions are correct....
, 2018-07-12, 06:15
[HBASE-19511] Splits causes blocks to be cached again and so such blocks cannot be evicted from bucket cache
...This is because of similar pattern as in https://issues.apache.org/jira/browse/HBASE-8547.It took a lot of time to debug this and the reason for TestBlockeEvictionFromClient was flaky due to...
, 2018-06-27, 09:22
[HBASE-20741] Split of a region with replicas creates all daughter regions and its replica in same server
...Generally it is better that the parent region when split creates the daughter region in the same target server. But for replicas also we do the same and all the replica regions are created i...
, 2018-06-19, 14:00
[HBASE-20511] Set the scan's read type on the subsequent scan requests
...See discussion in https://issues.apache.org/jira/browse/HBASE-20457?focusedCommentId=16445329&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16445329Its be...
, 2018-06-19, 13:53
[HBASE-18300] Implement a Multi TieredBucketCache
...We did an internal brainstorming to study the feasibility of this. Some of our recent tests on SSDs like Optane shows that they are vastly faster in randomreads and can act as effective cach...
, 2018-06-19, 13:34
[HBASE-17267] Add OffheapMemoryTuner
...This JIRA is aimed at tuning the offheap memory. It is not straight forward as we should not cross the available Direct_memory configured.Should include BC and offheap memstore configs....
, 2018-06-19, 13:30
[HBASE-16438] Create a cell type so that chunk id is embedded in it
...For CellChunkMap we may need a cell such that the chunk out of which it was created, the id of the chunk be embedded in it so that when doing flattening we can use the chunk id as a meta dat...
, 2018-06-01, 23:21
[HBASE-20523] PE tool should support configuring client side buffering sizes
...The client side buffering size impacts the write load and the write performance. Hence for testing purpose it is better we allow client side buffering to be configurable in PE. Already YCSB ...
, 2018-05-08, 10:48
[HBASE-14935] ReverseStoreScanner can check for scanner reset before seekToPreviousRow and backwardSeek.
...ReversedStoreScanner#seekToPreviousRow and backwardSeek can check if the heap has to be reset before doing reseek. There is no bug before this but just an added check....
, 2018-04-30, 17:38
[HBASE-18055] Releasing L2 cache HFileBlocks before shipped() when switching from pread to stream causes result corruption
...In HBASE-17917 tries to switch from pread to stream read when a specific size of bytes are read. So in order to switch over, it closes the existing scanners and creates a new scanners with p...
, 2018-04-19, 10:46
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