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Anoop Sam John
Stephen Yuan Jiang
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[HBASE-13939] Make HFileReaderImpl.getFirstKeyInBlock() to return a Cell
...The getFirstKeyInBlock() in HFileReaderImpl is returning a BB. It is getting used in seekBefore cases. Because we return a BB we create a KeyOnlyKV once for comparison &nb...
, 2015-06-30, 11:53
[HBASE-13945] Prefix_Tree seekBefore() does not work correctly
...This is related to the TestSeekTo test case where the seekBefore() does not work with Prefix_Tree because of an issue in getFirstKeyInBlock(). In the trunk and branch-1 changing the return t...
, 2015-06-23, 19:22
[HBASE-12282] Ensure Cells and its implementations work with Buffers also
...This issue can be used to brainstorm and then do the necessary changes for the offheap work. All impl of cells deal with byte but when we change the Hfileblocks/Readers to work purel...
, 2015-06-23, 18:32
[HBASE-12358] Create ByteBuffer backed Cell
...As part of HBASE-12224 and HBASE-12282 we wanted a Cell that is backed by BB. Changing the core Cell impl would not be needed as it is used in server only. So we will create a BB...
, 2015-06-23, 18:29
[HBASE-12305] Memstore and MemstoreScanner should work with BBs.
...Anoop's work of Memstore as a block would be beneficial here and in that we could ensure that Memstore also works with buffers. This would help in easy comparison of cells from the Rea...
, 2015-06-23, 18:23
[HBASE-12290] Column trackers and delete trackers should deal with BBs
...All the trackers should deal with BBs if we need E2E BB usage in the read path....
, 2015-06-23, 18:22
[HBASE-5617] Provide coprocessor hooks in put flow while rollbackMemstore.
...With coprocessors hooks while put happens we have the provision to create new puts to other tables or regions. These puts can be done with writeToWal as false.In 0.94 and above the put...
, 2015-06-22, 18:48
[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...
, 2015-06-22, 18:35
[HBASE-13944] Prefix_Tree seeks to null if the seeked Cell is greater than the last key in the file
...When using any DBE other than Prefix_Tree when the internal scanners seek to a key greater than the last key in the file, when we do scanner.getKeyValue() we get the last key in the file, wh...
, 2015-06-22, 18:00
[HBASE-13933] DBE's seekBefore with tags corrupts the tag's offset information thus leading to incorrect results
...The problem occurs with moveToPrevious() case and incase of tags we copy the previous pointer's tag info to the current because already decoded the tags.Will check once again before I post o...
, 2015-06-22, 09:28
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