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[HBASE-3815] load balancer should ignore bad region servers - HBase - [issue]
...the loadbalancer should remember which region server is constantly having trouble opening regions and it should take that rs out of the equation ... otherwise the lb goes into an unproductiv...
http://issues.apache.org/jira/browse/HBASE-3815    Author: Prakash Khemani, 2014-12-24, 20:11
[HBASE-3585] isLegalFamilyName() can throw ArrayOutOfBoundException - HBase - [issue]
...org.apache.hadoop.hbase.HColumnDescriptor.isLegalFamilyName(byte[]) accesses byte[0] w/o first checking the array length....
http://issues.apache.org/jira/browse/HBASE-3585    Author: Prakash Khemani, 2014-08-11, 19:24
[HBASE-2957] Release row lock when waiting for wal-sync - HBase - [issue]
...Is there a reason to hold on to the row-lock while waiting for the WAL-sync to be completed by the logSyncer thread?I think data consistency will be guaranteed even if the following happens ...
http://issues.apache.org/jira/browse/HBASE-2957    Author: Prakash Khemani, 2014-07-17, 00:02
[HBASE-5860] splitlogmanager should not unnecessarily resubmit tasks when zk unavailable - HBase - [issue]
...(Doesn't really impact the run time or correctness of log splitting)say the master has lost connection to zk. splitlogmanager's timeoutmanager will realize that all the tasks that were submi...
http://issues.apache.org/jira/browse/HBASE-5860    Author: Prakash Khemani, 2014-04-08, 06:09
[HBASE-4967] connected client thrift sockets should have a server side read timeout - HBase - [issue]
...If there is no socket read timeout and if the Thrift server is a ThreadPoolServer then server side threads will be used up waiting for dead unresponsive clients....
http://issues.apache.org/jira/browse/HBASE-4967    Author: Prakash Khemani, 2013-06-28, 17:28
[HBASE-3395] StoreScanner not being closed? - HBase - [issue]
...In StoreScanner::next(List<KeyValue> outResult, int limit)        case SEEK_NEXT_ROW:          // This is just a relatively simple end of s...
http://issues.apache.org/jira/browse/HBASE-3395    Author: Prakash Khemani, 2013-04-15, 23:30
[HBASE-3444] Test to prove Bytes.toBytesBinary and Bytes.toStringBinary()  is reversible - HBase - [issue]
...Bytes.toStringBinary() doesn't escape \.Otherwise the transformation isn't reversiblebyte[] a = {'\', 'x' , '0', '0'}Bytes.toBytesBinary(Bytes.toStringBinary(a)) won't be equal to a...
http://issues.apache.org/jira/browse/HBASE-3444    Author: Prakash Khemani, 2012-10-13, 00:38
[HBASE-3828] region server stuck in waitOnAllRegionsToClose - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-3828    Author: Prakash Khemani, 2012-09-07, 04:50
[HBASE-3814] force regionserver to halt - HBase - [issue]
...Once abort() on a regionserver is called we should have a timeout thread that does Runtime.halt() if the rs gets stuck somewhere during abort processing.===Pumahbase132 has following the log...
http://issues.apache.org/jira/browse/HBASE-3814    Author: Prakash Khemani, 2012-09-07, 04:42
[HBASE-5347] GC free memory management in Level-1 Block Cache - HBase - [issue]
...On eviction of a block from the block-cache, instead of waiting for the garbage collecter to reuse its memory, reuse the block right away.This will require us to keep reference counts on the...
http://issues.apache.org/jira/browse/HBASE-5347    Author: Prakash Khemani, 2012-08-29, 15:50
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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