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[expand - 4 more] - Re: Custom preCompact RegionObserver crashes entire cluster on OOME: Heap Space - HBase - [mail # user]
...I'm seeing a very strange behavior:  If I run a scan during major compaction, I can see both the modified Delta Key Value (which contains the aggregated values - e.g. 9) and the other t...
   Author: Mesika, Asaf, 2013-02-12, 14:41
Re: HBase insert slow - HBase - [mail # user]
...What's the rate you're getting (MB/sec or lines/sec)? What's your cluster setup?  On Feb 8, 2013, at 6:23 PM, 徐歷盛 wrote:  ...
   Author: Mesika, Asaf, 2013-02-08, 16:38
Compressing data sent from HBase client - HBase - [mail # user]
...Hi,  Was the possibility of compressing RPC data sent from HBase client to Region server? Some data pattern could benefit from this tremendously.  Another thing - As a work-around,...
   Author: Mesika, Asaf, 2013-02-08, 16:36
Unique Put ends up twice in HBase? - HBase - [mail # user]
...Hi,  Can the following scenario occur?  Create a Put for (rk1, cf1, cq1, value=1L) run hTable.batch Inside implementation: Put is sent to server Server throws an exception, but Put...
   Author: Mesika, Asaf, 2013-02-04, 07:20
Coprocessor HDFS jar hot deployment - HBase - [mail # user]
...Hi,  If I deploy a Region Observer to a table using HDFS Jar, is it possible to deploy a new version, enable/disable the table to get that new jar hot deployed, without restarting all t...
   Author: Mesika, Asaf, 2013-01-31, 19:10
[expand - 1 more] - Re: increment-related bug Was: HBASE-7114 Increment does not extend Mutation but probably should - HBase - [mail # user]
...So if this bug you mentioned (3787) is correct, there is no workaround. Once you reach 60 seconds timeout, you have no way of knowing if the server finished processing this Increment or not,...
   Author: Mesika, Asaf, 2013-01-30, 18:43
Getting the scan type at preCompact - HBase - [mail # user]
...Hi,  In the RegionObserver.preCompactScannerOpen() method, one of the parameters is scanType which enables me to know if the compaction is major or minor. In the preCompact() method I d...
   Author: Mesika, Asaf, 2013-01-29, 13:23
Adding Custom Coprocessor metrics to HBase JMX Metrics - HBase - [mail # user]
...Hi,  I wrote a RegionObserver. I'm collecting very important metrics in that observer and I would like to expose them in the JMX Server HBase is using.  Is there a way to do that? ...
   Author: Mesika, Asaf, 2013-01-29, 12:19
WARN CleanerChore - Error while cleaning the logs - HBase - [mail # user]
...Hi,  Recently after upgrading to 0.94.3, my unit test which is using HBase mini cluster keeps throwing this warning.  Why does it want to delete a table folder? Can someone elabora...
   Author: Mesika, Asaf, 2013-01-29, 07:27
0.94.3 in Central (Maven) - HBase - [mail # user]
...Hi,  I'm looking for a Maven repository that hosts latest HBase version.  I see that central (http://mvnrepository.com/artifact/org.apache.hbase/hbase) only hosts 0.94.1 and not 0....
   Author: Mesika, Asaf, 2012-12-31, 06:04
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