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[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...
, 2017-03-26, 13:26
[HBASE-16890] Analyze the performance of AsyncWAL and fix the same
...Tests reveal that AsyncWAL under load in single node cluster performs slower than the Default WAL. This task is to analyze and see if we could fix it.See some discussions in the tail of JIRA...
, 2017-03-23, 10:33
[HBASE-16859] Use Bytebuffer pool for non java clients specifically for scans/gets
...In case of non java clients we still write the results and header into a on demand byte. This can be changed to use the BBPool (onheap or offheap buffer?).But the basic problem is to...
, 2017-03-15, 07:24
[HBASE-17777] TestMemstoreLAB#testLABThreading runs too long for a small test
...While working on ChunkCreator/ChunkMap found that the test in TestMSLAB#testLABThreading() runs for almost 5 mins and the whole test is under smallTest category.The reason is that we are cre...
, 2017-03-13, 16:22
[HBASE-16437] Refactor MSLAB and Chunkpool to create ChunkIds
...This sub-task is specific to refactor the MSLAB and chunkpool to support CellChunkMap by supporting chunkId creation....
, 2017-03-06, 09:29
[HBASE-17343] Make Compacting Memstore default in 2.0 with BASIC as the default type
...FYI Anastasia Braginsky, Eshcar Hillel and Edward Bortnikov....
, 2017-03-02, 10:59
[HBASE-17670] LruBlockCache with VictimHandler should evict from bucket cache also when eviction by filename happens
...When VictimHandler is used we use the bucket cache to cache those blocks that are evicted. So in case of where we close the hfile and call evictBlocksByHfileName - I think it still makes sen...
, 2017-02-20, 10:53
[HBASE-17644] Always create ByteBufferCells after copying to MSLAB
...We create a cell out of the Bytebuffer that is returned by MSLAB. This BB can be offheap or onheap type. If MSLAB is full we return onheap byte buffer. So the place where we create a cell by...
, 2017-02-17, 16:00
[HBASE-17645] Improve the connection usage in PE tool
...In PE tool we have the option of using one connection for all threads. By default it is false. And you can see a big difference in the measurements that the tool produces and also the ...
, 2017-02-14, 09:41
[HBASE-17484] Add non cached version of OffheapKV for write path
...After running lot of different performance tests for various scenarios and with multi threads we thought that is better to have a version of OffheapKV in write path that does not cache...
, 2017-02-07, 20:07
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