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Re: GET performance degrades over time - HBase - [mail # user]
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...Have you checked your HBase environment? I think it perhaps come from: 1) System uses more swap frequently when your continue to execute Gets operation? 2) check the setting "hfile.block.cac...
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Author: Bing Jiang,
2013-05-16, 10:49
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Re: Error about rs block seek - HBase - [mail # user]
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...hi, Anoop. I do not handle or change the hbase checksum. So I want to know if I set block size at the beginning of creating tables, does something make troubles? 2013/5/13 Anoop...
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Author: Bing Jiang,
2013-05-13, 08:06
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Re: Error about rs block seek - HBase - [mail # user]
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...Hi,all Before the exception stack, there is an Error log: 2013-05-13 00:00:14,491 ERROR org.apache.hadoop.hbase.io.hfile.HFileReaderV2: Current pos = 32651; currKeyLen = 45; currValLen = 80;...
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Author: Bing Jiang,
2013-05-13, 06:30
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Re: Error about rs block seek - HBase - [mail # user]
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...hi, Ted. No data block encoding, our table config below: User Table Description CrawlInfo {NAME => 'CrawlInfo', DEFERRED_LOG_FLUSH => 'true', MAX_FILESIZE => '3435973836...
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Author: Bing Jiang,
2013-05-13, 01:50
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Re: Error about rs block seek - HBase - [mail # user]
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...Hi, JM. Our jdk version is 1.6.0_38 2013/5/13 Jean-Marc Spaggiari Bing Jiang Tel：(86)134-2619-1361 weibo: http://weibo.com/jiangbinglover BLOG: http://blog.sina.co...
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Author: Bing Jiang,
2013-05-13, 01:47
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Re: Error about rs block seek - HBase - [mail # user]
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...Yes, we use hbase-0.94.3 , and we change block.size from 64k to 32k. 2013/5/13 Ted Yu Bing Jiang Tel：(86)134-2619-1361 weibo: http://weibo.com/jiangbinglover...
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Author: Bing Jiang,
2013-05-13, 01:38
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Error about rs block seek - HBase - [mail # user]
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...Hi, all. In our hbase cluster, there are many logs like below: 2013-05-13 00:00:04,161 ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: java.lang.IllegalArgumentException &nbs...
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Author: Bing Jiang,
2013-05-13, 01:25
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how to evaluate the up-limit number of Regions? - HBase - [mail # user]
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...hi,all I want to know whether it it a criterio or bible to measure the capicity of hbase cluster. 1. hdfs volumn 2. system memory setting 3. Network IO, etc However, with the increase of num...
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Author: Bing Jiang,
2013-04-17, 03:47
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Efficient way to use different storage medium - HBase - [mail # user]
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...hi, There are some physical machines which each one contains a large ssd(2T) and general disk(4T), and we want to build our hdfs and hbase environment. If we use all storage(6T) ...
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Author: Bing Jiang,
2013-04-09, 11:41
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[HBASE-7101] HBase stuck in Region SPLIT - HBase - [issue]
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...I found this issue from a zknode which has existed for a long time in the unassigned parent.And HMaster report warnning log increasingly.The loop log is at below. WARN org.apache.hadoop.hbas...
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http://issues.apache.org/jira/browse/HBASE-7101
Author: Bing Jiang,
2013-01-27, 08:02
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