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[HBASE-12748] RegionCoprocessorHost.execOperation creates too many iterator objects - HBase - [issue]
...This is typical pattern of enhanced for ... loop usage in a hot code path. For every HBase operation it instantiates iterator for coprocessor list twice....
http://issues.apache.org/jira/browse/HBASE-12748    Author: Vladimir Rodionov, 2014-12-23, 03:40
[HBASE-12720] Make InternalScan LimitedPrivate - HBase - [issue]
...This is the request from sophisticated users Rationale: We would like the internal scan to be made available so we can see what is just in the MemStore (or in store files only)....
http://issues.apache.org/jira/browse/HBASE-12720    Author: Vladimir Rodionov, 2014-12-20, 01:01
[HBASE-12657] The Region is not being split and far exceeds the desired maximum size. - HBase - [issue]
...We are seeing this behavior when creating indexes in one of our environment.When an index is being created, most of the "requests" go into a single region.  The amount of time to create...
http://issues.apache.org/jira/browse/HBASE-12657    Author: Vladimir Rodionov, 2014-12-12, 03:14
[expand - 6 more] - Re: Region is out of bounds - HBase - [mail # dev]
...Created:https://issues.apache.org/jira/browse/HBASE-12657On Mon, Dec 8, 2014 at 11:33 AM, Vladimir Rodionov wrote: ...
   Author: Vladimir Rodionov, 2014-12-08, 22:11
Re: YCSB load data quit because hbase region too busy - HBase - [mail # dev]
...Could you please rerun your tests with -target ?You should limit # of transactions per second and find the maximum yourcluster can sustain.-Vladimir RodionovOn Wed, Nov 19, 2014 at 10:53 PM,...
   Author: Vladimir Rodionov, 2014-11-20, 17:46
Re: Performance test about HBase Bucket Cache - HBase - [mail # dev]
...Can you give us more details?H/W config, HBase config? What tests have you run and what perf ## have yougot?-VladimirOn Mon, Nov 17, 2014 at 8:16 PM, mail list  wrote: ...
   Author: Vladimir Rodionov, 2014-11-18, 05:13
[HBASE-12031] Parallel Scanners inside Region - HBase - [issue]
...This JIRA to improve performance of multiple scanners running on a same region in parallel. The scenarios where we will get the performance benefits: New TableInputFormat with input splits s...
http://issues.apache.org/jira/browse/HBASE-12031    Author: Vladimir Rodionov, 2014-11-16, 23:29
[expand - 2 more] - Re: Compactions nice to have features - HBase - [mail # dev]
...I have been playing with out-of-process compaction currently. I will postmy results (and patch) when it is ready. The compaction in HBase is thearea of a multitude of possible improvements.-...
   Author: Vladimir Rodionov, 2014-10-10, 16:23
[expand - 1 more] - Re: The 3rd hbase 0.94.24 release candidate is available for download - HBase - [mail # dev]
...2?Can you check sequential scan as well? Make sure data is in the block cache.-Vladimir RodionovOn Thu, Oct 2, 2014 at 10:28 AM, Jean-Marc Spaggiari <[EMAIL PROTECTED]> wrote: ...
   Author: Vladimir Rodionov, 2014-10-02, 18:10
[expand - 1 more] - Re: Could you please stop breaking API compatibility? - HBase - [mail # dev]
...Yes, sureI just forgot that master is 2.0.-Vladimir RodionovOn Mon, Sep 29, 2014 at 9:09 PM, Anoop John  wrote: ...
   Author: Vladimir Rodionov, 2014-09-30, 04:23
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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