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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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the impact of different HFileDataBlockEncoder. - HBase - [mail # user]
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...hi,all I have questions about HFileDataBlockEncoder. 1) In new version beyond 0.94, is there another HFileDataBlockEncoder impl? 2) how the different HFileDataBlockEncoder impact...
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Author: Bing Jiang,
2013-01-17, 09:19
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Re: RegionServer level co-processor - HBase - [mail # user]
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...In my view, if you want to realize Jubtaus, you can use Endpoint. Which is different from RegionServerObserver. A client will launch a task about a table, and it will execute an ...
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Author: Bing Jiang,
2013-01-15, 11:38
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Re: Tune MapReduce over HBase to insert data - HBase - [mail # user]
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...Hi, mohandes.zebeleh you can adjust parameter as below( Major Compaction, Minor Compaction, Split): if you do not set, it will retain default value(1). hbase.regionserver.threa...
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Author: Bing Jiang,
2013-01-15, 01:33
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Re: Tune MapReduce over HBase to insert data - HBase - [mail # user]
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...hi,anoop. Why not hbase mapreduce package contains the tools like this? Anoop John 编写： ...
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Author: Bing Jiang,
2013-01-13, 09:31
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Re: HConnectionImplementation closed - HBase - [mail # user]
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...check hbase conf exists in mr job environment . On Jan 6, 2013 7:36 PM, wrote: ...
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Author: Bing Jiang,
2013-01-09, 00:25
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Re: Tune MapReduce over HBase to insert data - HBase - [mail # user]
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...In our experience, it can enhance mapreduce insert by 1.add regionserver flush thread number 2.add memstore/jvm_heap 3.pre split table region before mapreduce 4.add large and small compactio...
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Author: Bing Jiang,
2013-01-08, 15:28
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hbase-0.94.3 region cannot split , which results into regionserver offline？ - HBase - [mail # user]
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...hi,all use hbase-0.94.3, We have encounted an error that results into Regionserver offline. Stack: 2012-12-25 19:25:04,654 FATAL org.apache.hadoop.hbase.regionserver.HRegio...
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Author: Bing Jiang,
2012-12-25, 11:32
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Re: delete rows without writing HLog may be appear in the future? - HBase - [mail # user]
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...If I set hbase.hregion.preclose.flush.size to zero, can HBase guarantee that when HRegionServer quit, whether It will execute the last flush. As Lars says, the issue refers to memstore flush...
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Author: Bing Jiang,
2012-11-22, 06:50
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