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[HBASE-12202] Support DirectByteBuffer usage in HFileBlock - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-12202    Author: Anoop Sam John, 2014-10-21, 15:20
[HBASE-10713] A MemStore implementation with in memory flushes to CellBlocks - HBase - [issue]
...After HBASE-10648 we can plugin any implementation for MemStore. This issue aims at coming up with an implementation, in which we will have in between in memory flushes. This will reduce the...
http://issues.apache.org/jira/browse/HBASE-10713    Author: Anoop Sam John, 2014-10-21, 14:13
[HBASE-12298] Support DBB usage in PrefixTree - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-12298    Author: Anoop Sam John, 2014-10-20, 07:52
[HBASE-12289] Avoid onheap buffer copying at RPCServer#serResponse - HBase - [issue]
...We would like to see DBB end-to-end in read path until we write to socket. IPCUtil#buildCellBlock doing a buffer creation and then write the data at once. This jira aims at checking how we c...
http://issues.apache.org/jira/browse/HBASE-12289    Author: Anoop Sam John, 2014-10-19, 14:55
[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
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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