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[PHOENIX-2221] Option to make data regions not writable when index regions are not available - Phoenix - [issue]
...In one usecase, it was deemed better to not accept writes when the index regions are unavailable for any reason (as opposed to disabling the index and the queries doing bigger data-table sca...
http://issues.apache.org/jira/browse/PHOENIX-2221    Author: Devaraj Das, 2015-11-20, 00:36
[HBASE-14536] Balancer & SSH interfering with each other leading to unavailability - HBase - [issue]
...Came across this in our cluster:1. The meta was assigned to a server,16020,14435072033402015-09-29 06:16:22,472 DEBUG [AM.ZK.Worker-pool2-t56] master.RegionStates: Onlined 1588230...
http://issues.apache.org/jira/browse/HBASE-14536    Author: Devaraj Das, 2015-10-17, 09:12
[HBASE-13330] Region left unassigned due to AM & SSH each thinking the assignment would be done by the other - HBase - [issue]
...Here is what I found during analysis of an issue. Raising this jira and a fix will follow.The TL;DR of this is that the AssignmentManager thinks the ServerShutdownHandler would assign the re...
http://issues.apache.org/jira/browse/HBASE-13330    Author: Devaraj Das, 2015-10-17, 03:24
[HBASE-13067] Fix caching of stubs to allow IP address changes of restarted remote servers - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-13067    Author: Devaraj Das, 2015-10-02, 21:27
[HBASE-6966] "Compressed RPCs for HBase" (HBASE-5355) port to trunk - HBase - [issue]
...This jira will address the port of the compressed RPC implementation to trunk. I am expecting the patch to be significantly different due to the PB stuff in trunk, and hence filed a separate...
http://issues.apache.org/jira/browse/HBASE-6966    Author: Devaraj Das, 2015-08-27, 08:52
[HBASE-10844] Coprocessor failure during batchmutation leaves the memstore datastructs in an inconsistent state - HBase - [issue]
...Observed this in the testing with Phoenix. The test in Phoenix - MutableIndexFailureIT deliberately fails the batchmutation call via the installed coprocessor. But the update is not rolled b...
http://issues.apache.org/jira/browse/HBASE-10844    Author: Devaraj Das, 2015-08-22, 00:44
Re: Please welcome new HBase committer Stephen Yuan Jiang - HBase - [mail # dev]
...Congratulations Stephen! ...
   Author: Devaraj Das, 2015-08-21, 18:12
[HBASE-13938] Deletes done during the region merge transaction may get eclipsed - HBase - [issue]
...Was looking at an issue from our internal testing. It seems the Deletes of the region rows from the meta done during the merge transaction could be eclipsed by the Put of a region row that m...
http://issues.apache.org/jira/browse/HBASE-13938    Author: Devaraj Das, 2015-06-23, 23:35
[HBASE-13375] Provide HBase superuser higher priority over other users in the RPC handling - HBase - [issue]
...HBASE-13351 annotates Master RPCs so that RegionServer RPCs are treated with a higher priority compared to user RPCs (and they are handled by a separate set of handlers, etc.). It may be goo...
http://issues.apache.org/jira/browse/HBASE-13375    Author: Devaraj Das, 2015-05-27, 06:33
test mail - please ignore - Phoenix - [mail # dev]
... ...
   Author: Devaraj Das, 2015-05-02, 18:54
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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