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[HBASE-14935] ReverseStoreScanner can check for scanner reset before seekToPreviousRow and backwardSeek. - HBase - [issue]
...ReversedStoreScanner#seekToPreviousRow and backwardSeek can check if the heap has to be reset before doing reseek. There is no bug before this but just an added check....
http://issues.apache.org/jira/browse/HBASE-14935    Author: ramkrishna.s.vasudevan, 2015-12-07, 10:53
[HBASE-14826] Small improvement in KVHeap seek() API - HBase - [issue]
...Currently in seek/reseek() APIs we tend to do lot of priorityqueue related operations. We initially add the current scanner to the heap, then poll and again add the scanner back if the seekK...
http://issues.apache.org/jira/browse/HBASE-14826    Author: ramkrishna.s.vasudevan, 2015-11-25, 05:58
[HBASE-14643] Avoid Splits from once again opening a closed reader for fetching the first and last key - HBase - [issue]
...Currently split flow is such that we close the parent region and all its store file readers are also closed.  After that inorder to split the reference files we need the first and last ...
http://issues.apache.org/jira/browse/HBASE-14643    Author: ramkrishna.s.vasudevan, 2015-10-19, 09:14
[HBASE-14398] Create the fake keys required in the scan path to avoid copy to byte[] - HBase - [issue]
...Already we have created some fake keys for the ByteBufferedCells so that we can avoid the copy requried to create fake keys. This JIRA aims to fill up all such places so that the Offheap BBs...
http://issues.apache.org/jira/browse/HBASE-14398    Author: ramkrishna.s.vasudevan, 2015-10-12, 04:52
[HBASE-12291] Create Read only buffers where ever possible - HBase - [issue]
...This issue is to see if we can really create a Read only buffer in the read path. Later can see if this needs to be BR or our own BB impl....
http://issues.apache.org/jira/browse/HBASE-12291    Author: ramkrishna.s.vasudevan, 2015-10-06, 23:08
[HBASE-14117] Check DBEs where fields are being read from Bytebuffers but unused. - HBase - [issue]
...public Cell getFirstKeyCellInBlock(ByteBuff block) {    block.mark();    block.position(Bytes.SIZEOF_INT);    int keyLength = ByteBuff.readCompressedInt(block);...
http://issues.apache.org/jira/browse/HBASE-14117    Author: ramkrishna.s.vasudevan, 2015-10-06, 23:07
[HBASE-11895] Change Writer/Readers factory to create CellComparators rather than KVComparator - HBase - [issue]
...In HBASE-10800 we would try to create CellComparators so that later when we deal with cells we could add the comparison logic into the comparators of those cells. This JIRA is aimed at chang...
http://issues.apache.org/jira/browse/HBASE-11895    Author: ramkrishna.s.vasudevan, 2015-08-25, 06:32
[HBASE-14300] NPE while issuing balancer command in trunk - HBase - [issue]
...This happened in the latest trunk code with the commit id a7327a30c490d59d8fb6ff093bd7ee1101eb9244.ERROR: java.io.IOException        at org.apache.hadoop.hbase.ipc.RpcSer...
http://issues.apache.org/jira/browse/HBASE-14300    Author: ramkrishna.s.vasudevan, 2015-08-24, 18:19
[HBASE-14231] Javadoc warning in ProtobufUtil - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-14231    Author: ramkrishna.s.vasudevan, 2015-08-18, 10:03
[HBASE-14144] Bloomfilter path to work with Byte buffered cells - HBase - [issue]
...This JIRA is to check if there will be a need to make the bloom filters to work with ByteBuffer cells. During POC this path created lot of duplicated code but considering other refactorings ...
http://issues.apache.org/jira/browse/HBASE-14144    Author: ramkrishna.s.vasudevan, 2015-08-14, 11:04
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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