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[HBASE-18002] Investigate why bucket cache filling up in file mode in an exisitng file is slower
...This issue was observed when we recently did some tests with SSD based bucket cache. Similar thing was also reported by @stack and Daniel Pol while doing some of these bucket cache related t...
, 2017-05-08, 08:06
[HBASE-17950] Write the chunkId also as Int instead of long into the first byte of the chunk
...I think some issue happened while updating the patch. The chunkId was converted to int every where but while writing it has been written as a long. Will push a small patch to change it....
, 2017-04-30, 22:25
[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...
, 2017-04-30, 22:23
[HBASE-10944] Remove all kv.getBuffer() and kv.getRow() references existing in the code
...kv.getRow() and kv.getBuffers() are still used in places to form key byte and row byte. Removing all such instances including testcases will make the usage of Cell complete....
, 2017-04-07, 18:30
[HBASE-10974] Improve DBEs read performance by avoiding byte array deep copies for key and value
...As part of HBASE-10801, we tried to reduce the copy of the value  in forming the KV from the DBEs. The keys required copying and this was restricting us in using Cells and always wan...
, 2017-04-05, 23:36
[HBASE-17868] Backport HBASE-10205 to branch-1.3
...I got the similar ConcurrentModificationException with hbase-1.3.0 while working with bucket cache. On verifying seems the issue is not been added to hbase-1.3.0.We need to back port to hbas...
, 2017-04-04, 05:45
[HBASE-17837] Backport HBASE-15314 to branch-1.3
...Backport of HBASE-15314....
, 2017-03-30, 23:01
[HBASE-15027] Refactor the way the CompactedHFileDischarger threads are created
...As per suggestion given over in HBASE-14970, if we need to create a single thread pool service for the CompactionHFileDischarger we need to create an exectuor service in the RegionServer lev...
, 2017-03-29, 10:29
[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
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