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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, 2015-07-27, 17:26
[HBASE-14156] Fix test failure in TestOpenTableInCoprocessor - HBase - [issue]
...This is after HBASE-12295 went in...
http://issues.apache.org/jira/browse/HBASE-14156    Author: Anoop Sam John, 2015-07-27, 14:58
[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, 2015-07-21, 11:15
[HBASE-14120] ByteBufferUtils#compareTo small optimization - HBase - [issue]
...We have it likeif (UnsafeAccess.isAvailable()) {  long offset1Adj, offset2Adj;  Object refObj1 = null, refObj2 = null;  if (buf1.hasArray()) { offset1Adj = o1 + buf1.arrayOffs...
http://issues.apache.org/jira/browse/HBASE-14120    Author: Anoop Sam John, 2015-07-20, 16:05
[HBASE-12015] Not cleaning Mob data when Mob CF is removed from table - HBase - [issue]
...During modifyTable, if a MOB CF is removed from a table, the corresponding mob data also should get removed....
http://issues.apache.org/jira/browse/HBASE-12015    Author: Anoop Sam John, 2015-07-13, 11:59
[HBASE-13387] Add ByteBufferedCell an extension to Cell - HBase - [issue]
...This came in btw the discussion abt the parent Jira and recently Stack added as a comment on the E2E patch on the parent Jira.The idea is to add a new Interface 'ByteBufferedCell'  in w...
http://issues.apache.org/jira/browse/HBASE-13387    Author: Anoop Sam John, 2015-07-10, 13:36
[HBASE-14020] Unsafe based optimized write in ByteBufferOutputStream - HBase - [issue]
...We use this class to build the cellblock at RPC layer. The write operation is doing puts to java ByteBuffer which is having lot of overhead. Instead we can do Unsafe based copy to buffer ope...
http://issues.apache.org/jira/browse/HBASE-14020    Author: Anoop Sam John, 2015-07-06, 09:58
[HBASE-13998] Remove CellComparator#compareRows(byte[] left, int loffset, int llength, byte[] right, int roffset, int rlength) - HBase - [issue]
...A public API in CellComparator which takes old style byte[], offset, length alone is not correct.  CellComparator supposed to compare cell(s).  At least one side param has to be a ...
http://issues.apache.org/jira/browse/HBASE-13998    Author: Anoop Sam John, 2015-07-05, 22:33
[HBASE-13496] Make Bytes$LexicographicalComparerHolder$UnsafeComparer::compareTo inlineable - HBase - [issue]
...While testing with some other perf comparisons I have noticed that the above method (which is very hot in read path) is not getting inline@ 16   org.apache.hadoop.hbase.util.Bytes$Lexic...
http://issues.apache.org/jira/browse/HBASE-13496    Author: Anoop Sam John, 2015-07-04, 00:35
[HBASE-13491] Issue in FuzzyRowFilter#getNextForFuzzyRule - HBase - [issue]
...for (int i = 0; i < result.length; i++) {      if (i >= fuzzyKeyMeta.length || fuzzyKeyMeta[i] == 1) {        result[i] = row[offset + i];  &nbs...
http://issues.apache.org/jira/browse/HBASE-13491    Author: Anoop Sam John, 2015-07-04, 00:35
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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