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[HBASE-14188] Read path optimizations after HBASE-11425 profiling - HBase - [issue]
...This subtask deals with some improvments that can be done in the read path (scans) after the changes for HBASE-11425 went in.-> Avoid CellUtil.setSequenceId in hot path.-> Use BBUtils ...
http://issues.apache.org/jira/browse/HBASE-14188    Author: ramkrishna.s.vasudevan, 2015-08-12, 08:52
[HBASE-14063] Use BufferBackedCell in read path after HBASE-12213 and HBASE-12295 - HBase - [issue]
...Subtask to ensure that the BytebufferBackedCell gets used in the read path after HBASE-12213 and HBASE-12295 goes in.  This would help to clearly change the required places and makes th...
http://issues.apache.org/jira/browse/HBASE-14063    Author: ramkrishna.s.vasudevan, 2015-07-30, 09:08
[HBASE-12295] Prevent block eviction under us if reads are in progress from the BBs - HBase - [issue]
...While we try to serve the reads from the BBs directly from the block cache, we need to ensure that the blocks does not get evicted under us while reading.  This JIRA is to discuss and i...
http://issues.apache.org/jira/browse/HBASE-12295    Author: ramkrishna.s.vasudevan, 2015-07-26, 17:26
[HBASE-10773] Make use of ByteRanges in HFileBlock instead of ByteBuffers - HBase - [issue]
...Replacing BBs with Byte Ranges  in block cache as part of HBASE-10772, would help in replacing BBs with BRs in HFileBlock also....
http://issues.apache.org/jira/browse/HBASE-10773    Author: ramkrishna.s.vasudevan, 2015-07-22, 06:34
[HBASE-10772] Use ByteRanges instead of ByteBuffers in BlockCache - HBase - [issue]
...Try replacing the BBs with Byte Ranges in Block cache.  See if this can be done in a pluggable way....
http://issues.apache.org/jira/browse/HBASE-10772    Author: ramkrishna.s.vasudevan, 2015-07-22, 06:34
[HBASE-12224] Facilitate using ByteBuffer backed Cells in the HFileReader - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-12224    Author: ramkrishna.s.vasudevan, 2015-07-22, 05:33
[HBASE-12360] Add unsafe putXXXUnsafe() BB methods to ByteBufferUtils - HBase - [issue]
...After HBASE-12345 is done we could add methods like putXXXUnSafe() similar to the ones in Bytes.java....
http://issues.apache.org/jira/browse/HBASE-12360    Author: ramkrishna.s.vasudevan, 2015-07-22, 05:32
[HBASE-14099] StoreFile.passesKeyRangeFilter need not create Cells from the Scan's start and stop Row - HBase - [issue]
...During profiling saw that the code here in passesKeyRangeFilter in Storefile  KeyValue smallestScanKeyValue = scan.isReversed() ? KeyValueUtil          .createF...
http://issues.apache.org/jira/browse/HBASE-14099    Author: ramkrishna.s.vasudevan, 2015-07-21, 09:42
[HBASE-14116] Change ByteBuff.getXXXStrictlyForward to relative position based reads - HBase - [issue]
...There is a TODO added in ByteBuff.getXXXStrictlyForward to a positional based read from the current position. This could help in avoiding the initial check that is added in the API to ensure...
http://issues.apache.org/jira/browse/HBASE-14116    Author: ramkrishna.s.vasudevan, 2015-07-21, 07:42
[HBASE-12374] Change DBEs to work with new BB based cell - HBase - [issue]
...Once we are changing the read path to use BB based cell then the DBEs should also return BB based cells.  Currently they are byte[] array backed....
http://issues.apache.org/jira/browse/HBASE-12374    Author: ramkrishna.s.vasudevan, 2015-07-20, 22:59
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB