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Re: Fastest way to find is a row exist? - HBase - [mail # user]
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...Why do you want to remove the bloom filter? I think you should keep the bloom filter but also use the KeyOnlyFilter to cut down on data transferred over the wire. On Fri, Jan 4,...
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Author: Bryan Beaudreault,
2013-01-04, 20:45
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Re: reginoserver's log analysis? - HBase - [mail # user]
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...It would delay this problem at least. At the end of the day your application and use case is what determines what you should do. It seems to me you may be hot spotting this region. &nb...
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Author: Bryan Beaudreault,
2013-01-03, 18:32
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Re: Error: java.io.IOException: Could not seek StoreFileScanner[HFileScanner for reade - HBase - [mail # user]
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...We've seen this at times too and would be interested to know what causes it. Until you get a better answer, one thing we found helps is to move the region via the hbase shell. Fo...
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Author: Bryan Beaudreault,
2012-12-28, 19:07
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Re: 答复: 答复: what is the max size for one region and what is the max size of region for one server - HBase - [mail # user]
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...0.90.x supports up to 4GB region sizes max, not 40. You would need to upgrade to 0.92.x at least to go higher than that. Sent from iPhone. On Dec 17, 2012, at 9:31 AM, Doug Meil...
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Author: Bryan Beaudreault,
2012-12-17, 14:39
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Re: How to pick which region(s) to major compact? - HBase - [mail # user]
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...I've looked into this in the past, and I haven't implemented anything yet. But I have a couple notes: 1) From what I can tell hbase doesn't currently provide you with an API you ...
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Author: Bryan Beaudreault,
2012-12-12, 23:46
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Re: Bulk loading (and/or major compaction) causing OOM - HBase - [mail # user]
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...Merging is not an option for us, because we cannot afford to bring our cluster down. Also, we are not yet convinced that our cluster can handle such large regions due to all the OOM is...
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Author: Bryan Beaudreault,
2012-12-08, 21:08
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Re: Bulk loading (and/or major compaction) causing OOM - HBase - [mail # user]
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...Thanks for the responses guys. Responses inline Yes, regions are pre-split. We calculated them using M/R before attempting to bulk load the data. We've done this bef...
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Author: Bryan Beaudreault,
2012-12-08, 16:50
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Bulk loading (and/or major compaction) causing OOM - HBase - [mail # user]
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...We have a couple tables that had thousands of regions due to the size of the day in them. We recently changed them to have larger regions (nearly 4GB). We are trying to bulk load...
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Author: Bryan Beaudreault,
2012-12-07, 21:01
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Re: Scan exception when running MR - HBase - [mail # user]
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...Oh, sorry. This sounds like a version mismatch. Do you have the same version installed on your servers and being pulled in your hadoop job? On Mon, Oct 22, 2012 at 12:32 PM...
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Author: Bryan Beaudreault,
2012-10-22, 17:13
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Re: Scan exception when running MR - HBase - [mail # user]
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...I'm not on 0.94.1, but I've found a lot of situations that can cause scanner timeouts and other scanner exceptions from M/R. The primary ones probably still apply in later versions: &n...
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Author: Bryan Beaudreault,
2012-10-22, 16:22
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