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Re: Performance test results - HBase - [mail # user]
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...OK, I tried it, truncated the table and ran inserts for about a day. Now I tried flushing the table but I get a "Region is not online" error, although all the servers are up, no regions are ...
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Author: Eran Kutner,
2011-05-09, 16:31
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Re: Performance test results - HBase - [mail # user]
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...J-D, I'll try what you suggest but it is worth pointing out that my data set has over 300M rows, however in my read test I am random reading out of a subset that contains only 0.5M rows (500...
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Author: Eran Kutner,
2011-05-04, 12:20
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Re: Performance test results - HBase - [mail # user]
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...Flushing, at least when I try it now, long after I stopped writing, doesn't seem to have any effect. In my log I see this: 2011-05-03 08:57:55,384 DEBUG org.apache.hadoop.hbase.io.hfil...
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Author: Eran Kutner,
2011-05-03, 13:20
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Re: Performance test results - HBase - [mail # user]
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...Since the attachment didn't make it, here it is again: http://shortText.com/jp73moaesx -eran On Wed, Apr 27, 2011 at 16:51, Eran Kutner wrote: ar, mes ray ack he le g 't ...
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Author: Eran Kutner,
2011-04-27, 15:31
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Re: Performance test results - HBase - [mail # user]
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...Hi Josh, The connection pooling code is attached AS IS (with all the usual legal disclaimers), note that you will have to modify it a bit to get it to compile because it depends on som...
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Author: Eran Kutner,
2011-04-27, 13:51
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Re: Performance test results - HBase - [mail # user]
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...I must say the more I play with it the more baffled I am with the results. I ran the read test again today after not touching the cluster for a couple of days and now I'm getting the same hi...
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Author: Eran Kutner,
2011-04-27, 13:42
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Re: Performance test results - HBase - [mail # user]
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...Hi J-D, I don't think it's a Thrift issue. First, I use the TBufferedTransport transport, second, I implemented my own connection pool so the same connections are reused over and over again,...
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Author: Eran Kutner,
2011-04-26, 10:34
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Re: Performance test results - HBase - [mail # user]
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...Hi J-D, After stabilizing the configuration, with your great help, I was able to go back to the the load tests. I tried using IRC, as you suggested, to continue this discussion but because o...
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Author: Eran Kutner,
2011-04-21, 12:13
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Re: Cluster crash - HBase - [mail # user]
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...After 3 days of running with the configuration changes recommended by J-D the cluster seems stable now. For the benefit of others I would say there were two issues identified: First, the HBA...
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Author: Eran Kutner,
2011-04-14, 06:53
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Re: Cluster crash - HBase - [mail # user]
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...There wasn't an attachment, I pasted all the lines from all the NN logs that contain that particular block number inline. As for CPU/IO, first there is nothing else running on those se...
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Author: Eran Kutner,
2011-04-11, 18:22
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