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[HBASE-10974] Improve DBEs read performance by avoiding byte array deep copies for key[] and value[] - HBase - [issue]
...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...
http://issues.apache.org/jira/browse/HBASE-10974    Author: ramkrishna.s.vasudevan, 2014-05-22, 13:00
[HBASE-11222] Add integration test for visibility deletes - HBase - [issue]
...Once HBASE-10885 gets checked in, create integration tests to verify the same.  ...
http://issues.apache.org/jira/browse/HBASE-11222    Author: ramkrishna.s.vasudevan, 2014-05-21, 16:43
[HBASE-11054] Create new hook in StoreScanner to help user creating his own delete tracker - HBase - [issue]
...In case of Visibility labels, to support deletes we need to consider the visibility expression per version inorder to identify the matching visibility expression.  Tracking the visibili...
http://issues.apache.org/jira/browse/HBASE-11054    Author: ramkrishna.s.vasudevan, 2014-05-15, 10:03
[HBASE-10944] Remove all kv.getBuffer() and kv.getRow() references existing in the code - HBase - [issue]
...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....
http://issues.apache.org/jira/browse/HBASE-10944    Author: ramkrishna.s.vasudevan, 2014-05-13, 06:33
[HBASE-11084] Handle deletions and column tracking using internal filters rather than using DeleteTrackers and ColumnTrackers - HBase - [issue]
...See HBASE-11054 for discussion.  Currently the delete tracking is done by DeleteTracker and its subclasses.  column tracking and its versions are handled inside the ColumnTrackers ...
http://issues.apache.org/jira/browse/HBASE-11084    Author: ramkrishna.s.vasudevan, 2014-05-13, 03:02
[HBASE-11053] Change DeleteTracker APIs to work with Cell - HBase - [issue]
...DeleteTracker interface (marked as Private) should work with Cells....
http://issues.apache.org/jira/browse/HBASE-11053    Author: ramkrishna.s.vasudevan, 2014-04-28, 11:05
[HBASE-10970] [AccessController] Issues with covering cell permission checks - HBase - [issue]
...Refer to discussion in HBASE-10823.The exact version deletion also check for the preceeding version though the latest version allows the permissionThis solves the problems 1. Exact version d...
http://issues.apache.org/jira/browse/HBASE-10970    Author: ramkrishna.s.vasudevan, 2014-04-25, 01:47
[HBASE-10929] Change ScanQueryMatcher to use Cells instead of KeyValue. - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-10929    Author: ramkrishna.s.vasudevan, 2014-04-24, 16:02
[HBASE-10899] [AccessController] Apply MAX_VERSIONS from schema or request when scanning - HBase - [issue]
...Similar to HBASE-10854 we need to handle different versions while the versions are in memstore and/or before compaction happens when the max versions for the CF == 1....
http://issues.apache.org/jira/browse/HBASE-10899    Author: ramkrishna.s.vasudevan, 2014-04-05, 14:06
[HBASE-10531] Revisit how the key byte[] is passed to HFileScanner.seekTo and reseekTo - HBase - [issue]
...Currently the byte[] key passed to HFileScanner.seekTo and HFileScanner.reseekTo, is a combination of row, cf, qual, type and ts.  And the caller forms this by using kv.getBuffer, which...
http://issues.apache.org/jira/browse/HBASE-10531    Author: ramkrishna.s.vasudevan, 2014-04-01, 07:47
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