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[HBASE-13579] Avoid isCellTTLExpired() for NO-TAG cases - HBase - [issue]
...As observed in this JIRA's performance test, we are always calling the isCellTTLExpired() for every cell and internally it is parsing the keyLength, valueLength() to get the tagsLength after...
http://issues.apache.org/jira/browse/HBASE-13579    Author: ramkrishna.s.vasudevan, 2015-05-05, 22:30
[HBASE-13368] Hash.java is declared as public Interface - but it should be Private - HBase - [issue]
...Currently Hash.java is marked as public.  But we are not allowing the user to configure his own Hash.java impl using FQCN.  It is currently working as an enum based type.  So ...
http://issues.apache.org/jira/browse/HBASE-13368    Author: ramkrishna.s.vasudevan, 2015-05-05, 19:58
[HBASE-10800] Use CellComparator instead of KVComparator - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-10800    Author: ramkrishna.s.vasudevan, 2015-05-05, 16:59
[HBASE-13621] Purge KVComparator and its related code from code base for 3.0 - HBase - [issue]
...This is a reminder JIRA so that while moving to 3.0 we will remove all the code related to KVComparator that has been deprecated in the 2.0 train....
http://issues.apache.org/jira/browse/HBASE-13621    Author: ramkrishna.s.vasudevan, 2015-05-05, 16:58
[HBASE-13510] Refactor Bloom filters to make use of Cell Comparators in case of ROW_COL - HBase - [issue]
...In order to address the comments over in HBASE-10800 related to comparing Cell with a serialized KV's key we had some need for that in Bloom filters.  After discussing with Anoop, we fo...
http://issues.apache.org/jira/browse/HBASE-13510    Author: ramkrishna.s.vasudevan, 2015-05-05, 15:46
[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, 2015-05-05, 12:49
[HBASE-13217] Flush procedure fails in trunk due to ZK issue - HBase - [issue]
...When ever I try to flush explicitly in the trunk code the flush procedure fails due to ZK issueERROR: org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable via stobdtserver3,...
http://issues.apache.org/jira/browse/HBASE-13217    Author: ramkrishna.s.vasudevan, 2015-05-05, 06:30
[HBASE-13501] Deprecate/Remove getComparator() in HRegionInfo. - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-13501    Author: ramkrishna.s.vasudevan, 2015-05-04, 06:12
[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, 2015-04-28, 07:26
[HBASE-13450] Purge RawBytescomparator from the writers and readers for HBASE-10800 - HBase - [issue]
...Currently KeyValue.RAW_COMPARATOR is written in the Trailer of the HFiles.  Ideally this need not be persisted to the trailer of the Hfiles because only the ROW bloom and the meta index...
http://issues.apache.org/jira/browse/HBASE-13450    Author: ramkrishna.s.vasudevan, 2015-04-24, 18:14
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NEW: Monitor These Apps!
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