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RE: Unable to add co-processor to table through HBase api - HBase - [mail # user]
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...me, new Path("hdfs://hbasecluster/tmp/hbase_cdh4.jar"), Coprocessor.PRIORITY_USER,map); Anil, Don't you have to modify the table ...
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Author: Anoop Sam John,
2012-10-19, 04:43
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RE: Coprocessor end point vs MapReduce? - HBase - [mail # user]
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...A CP and Endpoints operates at a region level.. Any operation within one re gion we can perform using this.. I have seen in below use case that along with the delete there was a ...
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Author: Anoop Sam John,
2012-10-19, 03:33
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RE: Coprocessor end point vs MapReduce? - HBase - [mail # user]
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...Hi Jean >>Are all coprocessors running at the same time on all regions Yes it will try to run all in parallel.. It will submit one callable for ea ch of the ...
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Author: Anoop Sam John,
2012-10-18, 04:20
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RE: Where is code in hbase that physically delete a record? - HBase - [mail # user]
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...Hi Yun, We have preCompactScannerOpen() and preCompact() hooks.. As we said, for compaction, a scanner for reading all corresponding HFi...
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Author: Anoop Sam John,
2012-10-18, 03:32
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RE: Where is code in hbase that physically delete a record? - HBase - [mail # user]
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...You can see the code in ScanQueryMatcher Basically in major compact a scan will be happening scanning all the files. .. As per the delete markers, the deleted KVs wont come out of the scanne...
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Author: Anoop Sam John,
2012-10-17, 12:31
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RE: Connecting Remote Hbase & pentaho - HBase - [mail # user]
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...Hi Kuldeep, If I read your intention behind the question correctly, you want to know whether you can connect to HB...
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Author: Anoop Sam John,
2012-10-16, 04:23
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[HBASE-6040] Use block encoding and HBase handled checksum verification in bulk loading using HFileOutputFormat - HBase - [issue]
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...When the data is bulk loaded using HFileOutputFormat, we are not using the block encoding and the HBase handled checksum features.. When the writer is created for making the HFile, I a...
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http://issues.apache.org/jira/browse/HBASE-6040
Author: Anoop Sam John,
2012-10-12, 06:36
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RE: key design - HBase - [mail # user]
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...In that case you can go with your 1st approach IMO "1.key=userid-timestamp and column:=content" of the key. is it ok? Yes it is... -Anoop- _______________________________________...
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Author: Anoop Sam John,
2012-10-11, 09:10
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RE: How well does HBase run on low/medium memory/cpu clusters? - HBase - [mail # user]
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...d? Disk bound? I would say HBase (RegionServers) are more memory bound. -Anoop- ________________________________________ From: David Parks [[EMAIL PROTECTED]] Sent: Thursday, Oct...
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Author: Anoop Sam John,
2012-10-11, 08:10
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RE: Temporal in Hbase? - HBase - [mail # user]
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...Hi Shumin, Your problem was end_time >= const_st or end_time is null..... You can make use of FilterList with MUST_PASS_ALL (AND) condition only.. Th is can contain one Single...
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Author: Anoop Sam John,
2012-10-11, 05:10
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