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RE: delete rows from hbase - HBase - [mail # user]
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...Hi Do some one tried for the possibility of an Endpoint implementation using which the delete can be done directly with the scan at server side. In the below samples I c...
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Author: Anoop Sam John,
2012-06-20, 08:38
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RE: Decreasing write speed over time - HBase - [mail # user]
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...Hi Sorry I was not able to access your chart of put perf. Is it like the pe rformance gradually coming down and at some point again getting better all of a sudden? [...
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Author: Anoop Sam John,
2012-06-19, 11:21
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RE: Isolation level - HBase - [mail # user]
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...Hi A put operation HBase may need to write data to multiple stores. [Depends o n presence of KVs belonging to different CFs in the Put] A put can be considered as committed when ...
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Author: Anoop Sam John,
2012-06-18, 13:11
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RE: Isolation level - HBase - [mail # user]
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...Hi You can check Scan#setIsolationLevel() API for changing the leve l. By default it is read committed means read only committed writes. ...
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Author: Anoop Sam John,
2012-06-18, 03:32
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RE: TableRecordReaderImpl is not able to get the rows - HBase - [mail # user]
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...Hi Subroto Scan.addColumn you can use when u want only specific columns to b e retrieved in the sacn . U can read the javadoc in addColumn() and addFami ly...
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Author: Anoop Sam John,
2012-06-14, 08:15
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RE: Single table Vs Multiple table. Need inputs !!! - HBase - [mail # user]
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...Hi There is no join support in HBase. You need to handle it in your client cod e. See whether you can implement your requirement using one table approach. -Anoop- ______________...
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Author: Anoop Sam John,
2012-06-13, 10:13
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[HBASE-6146] Disabling of Catalog tables should not be allowed - HBase - [issue]
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...HBaseAdmin#disableTable() when called with META or ROOT table, it will pass the disable instruction to Master and table is actually getting disabled. Later this API call will fail as there i...
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http://issues.apache.org/jira/browse/HBASE-6146
Author: Anoop Sam John,
2012-06-07, 23:43
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RE: Some suggestions for future features - HBase - [mail # dev]
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...Thanks a lot Lars for mentioning this and sharing your experience. Will try to do some experiment with this with alternates. Haven't done any deep analysis or work on this yet. ...
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Author: Anoop Sam John,
2012-06-06, 10:02
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RE: Some suggestions for future features - HBase - [mail # dev]
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...Agree with Andrew. We can make use of the RegionObserver#preCompact() hook here I think. This allows to return an InternalScanner implementation. May be we can wrap the actual Internal...
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Author: Anoop Sam John,
2012-06-06, 08:08
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RE: Some suggestions for future features - HBase - [mail # dev]
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...Hi Not the 1st one in my mind.. May be that will have lot of time overhead. Thinking abt can be there a special kind of Delete marker itself? At one region level it will be 100% atomic...
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Author: Anoop Sam John,
2012-06-06, 03:42
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