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[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-14761] Deletes with and without visibility expression do not delete the matching mutation - HBase - [issue]
...This is from the user list as reported by Anoop Sharma running into an issue related to visibility expressions and delete.Example run from hbase shell is listed below.Will appreciate an...
http://issues.apache.org/jira/browse/HBASE-14761    Author: ramkrishna.s.vasudevan, 2015-11-20, 17:24
[HBASE-14832] Ensure write paths work with ByteBufferedCells in case of compaction - HBase - [issue]
...Currently any cell coming out of offheap Bucketcache while compaction does a copy using the getXXXArray() API since write path does not work with BBCells. This JIRA is aimed at changing the ...
http://issues.apache.org/jira/browse/HBASE-14832    Author: ramkrishna.s.vasudevan, 2015-11-19, 18:15
[HBASE-14842] PrefixTree write path should work with BytebufferedCells (during compaction) - HBase - [issue]
...This is again related to HBASE-14832 where any Prefix Tree cell during compaction should work with BBCells. For now changing the value/tag part alone is enough since only the value/tag is go...
http://issues.apache.org/jira/browse/HBASE-14842    Author: ramkrishna.s.vasudevan, 2015-11-19, 12:55
[HBASE-14841] Allow TagCompression to work with BytebufferedCells - HBase - [issue]
...This is part of HBASE-14832 where we need to ensure that while BBCells are getting compacted the TagCompression part should be working with BBCells....
http://issues.apache.org/jira/browse/HBASE-14841    Author: ramkrishna.s.vasudevan, 2015-11-19, 12:42
[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, 2015-11-19, 05:06
[HBASE-12593] Tags and Tag dictionary to work with BB - HBase - [issue]
...Adding the subtask so that we don't forget it. Came up while reviewing the items required for this parent task....
http://issues.apache.org/jira/browse/HBASE-12593    Author: ramkrishna.s.vasudevan, 2015-11-13, 05:55
[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
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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