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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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Re: delete rows without writing HLog may be appear in the future? - HBase - [mail # user]
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...I think when compaction is intrigued, if the records has already flushed into hdfs, whether it is worthless to retain the Hlog before that timestamp. In other ways, for example, some rows ar...
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Author: Bing Jiang,
2012-11-22, 04:36
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Re: delete rows without writing HLog may be appear in the future? - HBase - [mail # user]
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...In our hbase cluster, I test if delete records with hlog or without. Attachment is my my test. The result of test can testify why I make a decision of delete rows without hlog . 2012/...
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Author: Bing Jiang,
2012-11-22, 03:53
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