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scan is slower after bulk load - HBase - [mail # user]
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...Hi all, Anyone has any idea why scanning over specific range in a table is about 20% slower if that data (that specific range) was just inserted into HBase using bulk load ? I do...
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Author: Amit Sela,
2012-11-12, 14:39
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Re: Bulk load fails with NullPointerException - HBase - [mail # user]
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...Does this bug affect snappy as well ? maybe I'll just use it instead of GZ (also recommended in the book). On Tue, Nov 6, 2012 at 10:27 PM, Jean-Marc Spaggiari wrote: ...
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Author: Amit Sela,
2012-11-07, 07:44
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Re: Bulk load fails with NullPointerException - HBase - [mail # user]
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...Do you mean setting: hbase.hregion.majorcompaction to 0 ? Because it's already set this way. We pre-create new regions before writing to HBase and initiate a major compaction once a day. &nb...
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Author: Amit Sela,
2012-11-06, 20:08
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Re: Bulk load fails with NullPointerException - HBase - [mail # user]
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...Seems like that's the one alright... Any ideas how to avoid it ? maybe a patch ? On Tue, Nov 6, 2012 at 8:05 PM, Jean-Daniel Cryans wrote: ...
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Author: Amit Sela,
2012-11-06, 18:49
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Bulk load fails with NullPointerException - HBase - [mail # user]
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...Hi all, I'm trying to bulk load using LoadIncrementalHFiles and I get a NullPointerException at: org.apache.hadoop.io.compress.zlib.ZlibFactory.isNativeZlibLoaded(ZlibFactory.java:63)....
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Author: Amit Sela,
2012-11-06, 10:28
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Bulk Loading - LoadIncrementalHFiles - HBase - [mail # user]
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...Hi everyone, I'm using MR to bulk load into HBase by using HFileOutputFormat.configureIncrementalLoad and after the job is complete I use loadIncrementalHFiles.doBulkLoad underst...
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Author: Amit Sela,
2012-11-01, 17:03
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Re: ANN: HBase 0.94.2 is available for download - HBase - [mail # user]
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...+1 on pushing to maven repo. Thanks. On Wed, Oct 17, 2012 at 1:49 PM, Ramkrishna.S.Vasudevan wrote: ...
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Author: Amit Sela,
2012-10-18, 15:25
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hdfs upgrade timing - HBase - [mail # user]
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...Hi all, Anyone has a clue how long it takes to upgrade HDFS from from 0.20.3 to 1.0.3 ? And to upgrade HBase from 0.90.2 to 0.94 ? I guess it depends on cluster size, so le...
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Author: Amit Sela,
2012-10-17, 09:55
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Re: hbase 0.92.1 hadoop compatibility - HBase - [mail # user]
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...I think it is time for an upgrade... Cheers. On Tue, Oct 16, 2012 at 3:54 PM, Stack wrote: ...
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Author: Amit Sela,
2012-10-16, 15:21
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extending PutSortReducer - HBase - [mail # user]
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...Hi all, Has anyone tried extending PutSortReducer in order to add some traditional reduce logic (i.e, aggregating counters) ? I want to process data with hadoop mapreduce job (ag...
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Author: Amit Sela,
2012-10-16, 15:18
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