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Re: Custom preCompact RegionObserver crashes entire cluster on OOME: Heap Space - HBase - [mail # user]
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...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...
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Author: Mesika, Asaf,
2013-02-12, 14:41
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Re: Custom preCompact RegionObserver crashes entire cluster on OOME: Heap Space - HBase - [mail # user]
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...Yes. I have create my own internal scanner using the internalscanner given to me in preCompact On Feb 12, 2013, at 8:44 AM, Anoop Sam John wrote: ...
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Author: Mesika, Asaf,
2013-02-12, 09:30
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Re: Custom preCompact RegionObserver crashes entire cluster on OOME: Heap Space - HBase - [mail # user]
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...I am trying to reduce the amount of KeyValue generated during the preCompact, but I'm getting some weird behaviors. Let me describe what I am doing in short: We have a counters t...
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Author: Mesika, Asaf,
2013-02-12, 09:13
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Re: Custom preCompact RegionObserver crashes entire cluster on OOME: Heap Space - HBase - [mail # user]
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...I will, but I don't think its correlated since this issue was referring to PermGen. On Feb 12, 2013, at 7:53 AM, Ted Yu wrote: ...
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Author: Mesika, Asaf,
2013-02-12, 07:22
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Custom preCompact RegionObserver crashes entire cluster on OOME: Heap Space - HBase - [mail # user]
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...Hi, I wrote a RegionObserver which does preCompact. I activated in pre-production, and then entire cluster dropped dead: One RegionServer after another crashed on OutOfMemoryException:...
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Author: Mesika, Asaf,
2013-02-12, 05:46
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Re: HBase insert slow - HBase - [mail # user]
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...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: ...
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Author: Mesika, Asaf,
2013-02-08, 16:38
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Compressing data sent from HBase client - HBase - [mail # user]
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...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,...
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Author: Mesika, Asaf,
2013-02-08, 16:36
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Unique Put ends up twice in HBase? - HBase - [mail # user]
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...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...
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Author: Mesika, Asaf,
2013-02-04, 07:20
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Coprocessor HDFS jar hot deployment - HBase - [mail # user]
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...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...
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Author: Mesika, Asaf,
2013-01-31, 19:10
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Re: increment-related bug Was: HBASE-7114 Increment does not extend Mutation but probably should - HBase - [mail # user]
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...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,...
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Author: Mesika, Asaf,
2013-01-30, 18:43
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