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Re: max regionserver handler count - HBase - [mail # user]
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...Looked closely into the async API and there is no way to batch GETs to reduce the # of RPC calls and thus handlers. Will play around tomorrow with the handlers again and see if I can find an...
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Author: Viral Bajaria,
2013-04-30, 09:52
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Re: max regionserver handler count - HBase - [mail # user]
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...I am using asynchbase which does not have the notion of batch gets. It allows you to batch at a rowkey level in a single get request. -Viral On Mon, Apr 29, 2013 at 11:29 PM, Ano...
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Author: Viral Bajaria,
2013-04-30, 06:42
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Re: max regionserver handler count - HBase - [mail # user]
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...Thanks for getting back, Ted. I totally understand other priorities and will wait for some feedback. I am adding some more info to this post to allow better diagnosing of performance. ...
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Author: Viral Bajaria,
2013-04-30, 06:10
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Re: HBase and Datawarehouse - HBase - [mail # user]
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...On Mon, Apr 29, 2013 at 10:54 PM, Asaf Mesika wrote: Can you shed more info on 12GB heap barrier ? -Viral...
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Author: Viral Bajaria,
2013-04-30, 06:02
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Re: max regionserver handler count - HBase - [mail # user]
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...Still unclear how and where the same session id is being re-used. Any thoughts ? The ROOT region was just bouncing around state's since the RS would be marked as dead whenever these ti...
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Author: Viral Bajaria,
2013-04-30, 03:48
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Re: max regionserver handler count - HBase - [mail # user]
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...On Mon, Apr 29, 2013 at 2:49 AM, Ted Yu wrote: Zookeeper version is 3.4.5, following are the logs from 2 zookeeper servers. The first one was the first time ever the regionserve...
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Author: Viral Bajaria,
2013-04-29, 20:23
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Re: max regionserver handler count - HBase - [mail # user]
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...On Mon, Apr 29, 2013 at 2:25 AM, Ted Yu wrote: Oh good observation. I just stepped through the logs again and saw that the client timeout occurred 8 times before that exception....
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Author: Viral Bajaria,
2013-04-29, 09:36
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Re: max regionserver handler count - HBase - [mail # user]
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...On Sun, Apr 28, 2013 at 7:37 PM, ramkrishna vasudevan wrote: Yeah I have repeated the behavior. But it seems the issue is due to some weird pauses in the region server whe...
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Author: Viral Bajaria,
2013-04-29, 09:17
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Re: max regionserver handler count - HBase - [mail # user]
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...This is an experimental system right now and I will bump up the # of servers in production. But here are the specs: 6 regionservers (64GB RAM, 48GB allocated to HBase heap, some more a...
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Author: Viral Bajaria,
2013-04-29, 01:39
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max regionserver handler count - HBase - [mail # user]
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...Hi, I have been trying to play around with the regionserver handler count. What I noticed was, the cluster comes up fine up to a certain point, ~7500 regionserver handler counts. But a...
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Author: Viral Bajaria,
2013-04-28, 20:30
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