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[HBASE-14221] Reduce the number of time row comparison is done in a Scan - HBase - [issue]
...When we tried to do some profiling with the PE tool found this.Currently we do row comparisons in 3 places in a simple Scan case.1) ScanQueryMatcher       int ret = this....
http://issues.apache.org/jira/browse/HBASE-14221    Author: ramkrishna.s.vasudevan, 2015-09-01, 07:30
[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, 2015-08-25, 06:34
[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
[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-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, 2015-08-11, 09:45
[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
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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