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Re: Hbase- Hadoop DFS size not decreased even after deleting a column family - HBase - [mail # user]
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...Sorry.. previous mail Not for this thread. ./zahoor On Fri, Aug 10, 2012 at 12:54 PM, J Mohamed Zahoor wrote: ...
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Author: J Mohamed Zahoor,
2012-08-10, 07:36
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Re: Hbase- Hadoop DFS size not decreased even after deleting a column family - HBase - [mail # user]
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...Look at this post for more about Catalog Janitor http://blog.zahoor.in/2012/08/hbase-hmaster-architecture/ ./zahoor On Fri, Aug 10, 2012 at 12:47 PM, J Mohamed Zahoor ...
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Author: J Mohamed Zahoor,
2012-08-10, 07:24
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Re: Hbase- Hadoop DFS size not decreased even after deleting a column family - HBase - [mail # user]
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...Hi Lars, Will file it... ./Zahoor On Fri, Aug 10, 2012 at 12:00 AM, lars hofhansl wrote: ...
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Author: J Mohamed Zahoor,
2012-08-10, 07:17
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Re: an emtry region - HBase - [mail # user]
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...Hi Region don't remain for ever. Catalog Janitor chore will scan for unused regions in the META and garbage collect. by default it is triggered every 300 sec. The property "hbase.catalogjani...
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Author: J Mohamed Zahoor,
2012-08-10, 07:15
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Re: Hbase- Hadoop DFS size not decreased even after deleting a column family - HBase - [mail # user]
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...no.. The add call is necessary for Hmaster TableDescriptor cache update. I see that the change is done only to the htable descriptors... a FileSystem delete is missing. !!! ./za...
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Author: J Mohamed Zahoor,
2012-08-09, 10:39
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Re: Hbase- Hadoop DFS size not decreased even after deleting a column family - HBase - [mail # user]
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...Hi Hmmm.. Finding more and more if i dig... In file MasterFileSystem public HTableDescriptor deleteColumn(byte[] tableName, byte[] familyName) throws ...
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Author: J Mohamed Zahoor,
2012-08-09, 09:35
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Re: Hbase- Hadoop DFS size not decreased even after deleting a column family - HBase - [mail # user]
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...Hi I see this atleast in trunk... in TableDeleteFamilyHandler's constructor.. public TableDeleteFamilyHandler(byte[] tableName, byte [] familyName, Se...
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Author: J Mohamed Zahoor,
2012-08-09, 09:03
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Re: more tables or more rows - HBase - [mail # user]
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...Hi MK, Some suggestions here http://www.hbasecon.com/sessions/lightning-talk-real-performance-gains-with-real-time-data/ ./zahoor On Wed, Aug 8, 2012 at 5:44 PM, M. K...
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Author: J Mohamed Zahoor,
2012-08-09, 08:21
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Re: consistency, availability and partition pattern of HBase - HBase - [mail # user]
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...Hi Lin, I would suggest reading this for more clarity. http://www.cloudera.com/blog/2010/04/cap-confusion-problems-with-partition- tolerance/ ./zahoor On Wed, Aug 8, ...
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Author: J Mohamed Zahoor,
2012-08-08, 04:56
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Re: [potential bug]Find rows which do not have any of the given columns - HBase - [mail # dev]
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...Hi Nice one. But i think this is valid behavior. Time ranges are something which qualifies certain rows to be made available to the client (something which is related to MVCC). Once a ...
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Author: J Mohamed Zahoor,
2012-08-07, 09:57
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