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Re: Updating from 0.90.2 to 0.94 - HBase - [mail # user]
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...Hi Viral , thanks for reply. Thing is that my table is kinda big. I have about one hour maximum downtime for this upgrade. That is not enough to distcp 20TB data to another backup cluster, e...
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Author: Yusup Ashrap,
2013-02-26, 09:17
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Re: Updating from 0.90.2 to 0.94 - HBase - [mail # user]
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...Hi Kiran , thanks for reply and I can afford some downtime. I cannot afford dataloss, so I am concerning potential problems with rolling back to 0.90.2 if I fail to upgrade. Best Rega...
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Author: Yusup Ashrap,
2013-02-26, 08:00
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Updating from 0.90.2 to 0.94 - HBase - [mail # user]
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...hi all, I am updating production cluster from 0.90.2 to 0.94 . My table's size is about 20TB+ . Scheduled update includes upgrading both hbase,hadoop version, and I am also...
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Author: Yusup Ashrap,
2013-02-26, 07:33
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Re: Storing images in Hbase - HBase - [mail # user]
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...there are a lot great discussions on Quora on this topic. http://www.quora.com/Apache-Hadoop/Is-HBase-appropriate-for-indexed-blob-storage-in-HDFS http://www.quora.com/Is-it-possible-to-use-...
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Author: Yusup Ashrap,
2013-01-06, 11:58
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Re: memory leak - HBase - [mail # user]
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...Hi Suraj yes , mslab is on. thanks , regards On Wed, Nov 21, 2012 at 4:26 PM, Suraj Varma wrote: ...
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Author: Yusup Ashrap,
2012-11-21, 08:48
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Re: memory leak - HBase - [mail # user]
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...current version of hadoop supports append/sync ,but we have not trun on explicitely in hdfs-site.xml. I will google that. it's kinda delicate to dump heap now, and ...
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Author: Yusup Ashrap,
2012-11-21, 08:16
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Re: memory leak - HBase - [mail # user]
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...it's in production environment, and we could not take upgrading as an option for now. hadoop version is 0.20.2 any perf tools or ways to recommend to detect memory leak? n...
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Author: Yusup Ashrap,
2012-11-21, 06:05
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Re: memory leak - HBase - [mail # user]
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...I changed compression from gz to lzo ,now I'm waiting for the results. yet i still think there is some way to figure out what is causing this high memory footprint. thanks , regards &n...
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Author: Yusup Ashrap,
2012-11-21, 05:52
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Re: memory leak - HBase - [mail # user]
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...hi Ramkrishna 5 tables on this node is using gzip compression. At first I assumed this was caused by gzip compression, but as u can see from my google-perftools profiling result above ...
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Author: Yusup Ashrap,
2012-11-21, 05:21
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memory leak - HBase - [mail # user]
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...hi all, I am encountering with high memory usage problem in my production environment.I doubt this is caused by memory leak or something, and I hope someone could tell me what is going on , ...
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Author: Yusup Ashrap,
2012-11-21, 03:45
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