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[HBASE-12213] HFileBlock backed by Array of ByteBuffers - HBase - [issue]
...In L2 cache (offheap) an HFile block might have been cached into multiple chunks of buffers. If HFileBlock need single BB, we will end up in recreation of bigger BB and copying. Instead we c...
http://issues.apache.org/jira/browse/HBASE-12213    Author: Anoop Sam John, 2014-10-17, 10:10
[HBASE-11874] Support Cell to be passed to StoreFile.Writer rather than KeyValue - HBase - [issue]
...This is the in write path and touches StoreFile.Writer,  HFileWriter , HFileDataBlockEncoder and different DataBlockEncoder impl.We will have to avoid KV#getBuffer() KV#getKeyOffset/Len...
http://issues.apache.org/jira/browse/HBASE-11874    Author: Anoop Sam John, 2014-09-06, 17:56
[HBASE-11805] KeyValue to Cell Convert in WALEdit APIs - HBase - [issue]
...In almost all other main interface class/APIs we have changed KeyValue to Cell. But missing in WALEdit. This is public marked for Replication (Well it should be for CP also) These 2 APIs dea...
http://issues.apache.org/jira/browse/HBASE-11805    Author: Anoop Sam John, 2014-09-06, 17:16
[HBASE-11870] Optimization : Avoid copy of key and value for tags addition in AC and VC - HBase - [issue]
...In AC and VC we have to add the per cell ACL tags/ visibility tags to Cells. We get KeyValue objects and which need one backing array with key,value and tags. So in order to add a tag we hav...
http://issues.apache.org/jira/browse/HBASE-11870    Author: Anoop Sam John, 2014-09-03, 04:58
[HBASE-11821] [ImportTSV] Abstract labels tags creation into pluggable Interface - HBase - [issue]
...HBASE-11553 abstracted out the VisibilityLabelService and using which one can go with String based labels tags instead of default ordinal based. In MapReduce side, ImportTSV also should supp...
http://issues.apache.org/jira/browse/HBASE-11821    Author: Anoop Sam John, 2014-09-02, 14:52
[HBASE-11401] Late-binding sequenceid presumes a particular KeyValue mvcc format hampering experiment - HBase - [issue]
...After HBASE-8763, we have combined KV mvcc and HLog seqNo. This is implemented in a tricky way now.In HRegion on write path, we first write to memstore and then write to HLog finally sync lo...
http://issues.apache.org/jira/browse/HBASE-11401    Author: Anoop Sam John, 2014-09-02, 11:06
[HBASE-11871] Avoid usage of KeyValueUtil#ensureKeyValue - HBase - [issue]
...Now we try to use diff impls of Cells (other than KV) in server side for optimizations. (HBASE-11870  is one like this) Having code  KeyValueUtil#ensureKeyValue can be dangerous as...
http://issues.apache.org/jira/browse/HBASE-11871    Author: Anoop Sam John, 2014-09-02, 04:24
[HBASE-11872] Avoid usage of KeyValueUtil#ensureKeyValue from Compactor - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-11872    Author: Anoop Sam John, 2014-09-01, 13:47
[HBASE-11820] ReplicationSource : Set replication codec class as RPC codec class on a clonned Configuration - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-11820    Author: Anoop Sam John, 2014-08-27, 08:53
[HBASE-11425] Cell/DBB end-to-end on the read-path - HBase - [issue]
...Umbrella jira to make sure we can have blocks cached in offheap backed cache. In the entire read path, we can refer to this offheap buffer and avoid onheap copying.The high level items I can...
http://issues.apache.org/jira/browse/HBASE-11425    Author: Anoop Sam John, 2014-08-20, 17:53
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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