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[HBASE-3136] Stale reads from ZK can break the atomic CAS operations we have in ZKAssign - HBase - [issue]
...With ZK based region transitions, we rely on atomic state changes of regions in transition.  For example, an RS needs to atomically switch a node from OFFLINE to OPENING, or the master ...
http://issues.apache.org/jira/browse/HBASE-3136    Author: Jonathan Gray, 2012-10-12, 07:17
[HBASE-3142] If a master dies and comes back up before his znode expires, the RS heartbeat can lock up - HBase - [issue]
...During a rolling restart, we ran into a case where a master was shutdown and then brought back up before the znode expired.On the RS side, while the master was down, it was getting Connectio...
http://issues.apache.org/jira/browse/HBASE-3142    Author: Jonathan Gray, 2012-10-12, 07:17
[HBASE-4575] Inconsistent naming for ZK config parameters - HBase - [issue]
...I've found some misnaming of certain ZK config options.  Make them consistent....
http://issues.apache.org/jira/browse/HBASE-4575    Author: Jonathan Gray, 2012-10-01, 22:04
[HBASE-4631] Cleanup and optimize embedded HRegionThriftServer - HBase - [issue]
...There were some good comments in the review of HBASE-4460.Cleanup the code and look at potential optimizations....
http://issues.apache.org/jira/browse/HBASE-4631    Author: Jonathan Gray, 2012-09-28, 05:09
[HBASE-3689] RegionServers should not check-in to Master until they are fully available - HBase - [issue]
...Over in HBASE-3687, a Master tripped over a RegionServer that had checked in but had not yet finished initializing.Since a master only learns of an RS after it sends an RPC, we should have t...
http://issues.apache.org/jira/browse/HBASE-3689    Author: Jonathan Gray, 2012-09-28, 00:09
[HBASE-4410] FilterList.filterKeyValue can return suboptimal ReturnCodes - HBase - [issue]
...FilterList.filterKeyValue does not always return the most optimal ReturnCode in both the AND and OR conditions.For example, if you have F1 AND F2, F1 returns SKIP.  It immediately retur...
http://issues.apache.org/jira/browse/HBASE-4410    Author: Jonathan Gray, 2012-09-27, 23:27
[HBASE-3137] Optimize CAS operations in ZKAssign by being optimistic rather than always doing a sync() - HBase - [issue]
...HBASE-3136 introduces a fix to the CAS operations in ZKAssign by doing a call to ZK sync() before doing the operation.This gives correct behavior but requires doing a sync every time, even i...
http://issues.apache.org/jira/browse/HBASE-3137    Author: Jonathan Gray, 2012-09-22, 10:16
[HBASE-3340] Eventually Consistent Secondary Indexing via Coprocessors - HBase - [issue]
...Secondary indexing support via coprocessors with an eventual consistency guarantee.  Design to come....
http://issues.apache.org/jira/browse/HBASE-3340    Author: Jonathan Gray, 2012-09-21, 18:38
[HBASE-1698] Review documentation for o.a.h.h.mapreduce - HBase - [issue]
...Documentation for TIF is short and TIFBase is a bit misleading.There are mixes of different APIs in the sample code, BatchUpdate in package-overview.I've started to make a patch for this, ju...
http://issues.apache.org/jira/browse/HBASE-1698    Author: Jonathan Gray, 2012-09-20, 23:10
Re: User meetup on 10/29? - HBase - [mail # user]
...+1 for 10/29 user meetup!  On Thu, Sep 13, 2012 at 10:44 AM, Stack  wrote:...
   Author: Jonathan Gray, 2012-09-15, 00:00
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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