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RE: Region server Memory Use is double the -Xmx setting - HBase - [mail # user]
...Are  you using compression for HFiles?  Yes we are using  "MaxDirectMemorySize" and we dont use off-heap cache.  -Anoop- ________________________________________ From: Bu...
   Author: Anoop Sam John, 2013-01-24, 03:21
[expand - 1 more] - RE: HBase split policy - HBase - [mail # user]
...The things which can trigger a split 1. Explicit split call from the client side using admin API 2. A memstore flush 3. A compaction  So even though there is no write operations happeni...
   Author: Anoop Sam John, 2013-01-23, 06:17
RE: ResultCode.NEXT_ROW and scans with batching enabled - HBase - [mail # user]
...Hi,   It will go to the new row.   Yes this is an issue in old versions. It is fixed in trunk now.   See the method RegionScannerImpl#nextInternal(int limit)  [In HRegion...
   Author: Anoop Sam John, 2013-01-23, 03:44
RE: Custom Filter and SEEK_NEXT_USING_HINT issue - HBase - [mail # user]
...all regions, then I would find in log files at least one value per region, but I have found one value per region only for those regions, that resides before the particular one.  @Eugeny...
   Author: Anoop Sam John, 2013-01-21, 08:59
[expand - 1 more] - RE: Loading data, hbase slower than Hive? - HBase - [mail # user]
...@Mohammad  As he is using HFileOutputFormat, there is no put call happening on HTable. In this case the MR will create the HFiles directly with out using the normal HBase write path. Th...
   Author: Anoop Sam John, 2013-01-21, 06:36
RE: Hbase Mapreduce- Problem in using arrayList of pust in MapFunction - HBase - [mail # user]
...inserting data to Hbase Table ?  You are using TableOutputFormat right? Here autoFlush is turned OFF ... You can use config param "hbase.client.write.buffer" to set the client side buff...
   Author: Anoop Sam John, 2013-01-21, 06:32
[HBASE-7542] SCVF: Avoid sending two unwanted boolean values from client to RS - HBase - [issue]
...In SingleColumnValueFilter the 2 boolean fields "foundColumn" and "matchedColumn" needed only at the server side during the filtering. There is no need to serialize these fields from client ...
http://issues.apache.org/jira/browse/HBASE-7542    Author: Anoop Sam John, 2013-01-19, 00:43
[expand - 1 more] - RE: ValueFilter and VERSIONS - HBase - [mail # user]
...ValueFilter works only on the KVs not at a row level . So something similar is not possible. Setting versions to 1 will make only one version (latest) version getting back to the client. But...
   Author: Anoop Sam John, 2013-01-18, 06:43
[expand - 1 more] - RE: Hbase as mongodb - HBase - [mail # user]
...Yes Mohammad. Smarter way like this is needed..  I was telling that even if the full JSON is stored as a column value it will be possible to achive what Panshul needs. :) But a full tab...
   Author: Anoop Sam John, 2013-01-17, 03:51
RE: Why not a restart region server  serve the WAL logs the last RS Write? - HBase - [mail # dev]
...Hi the power of rack or a datacenter is down?  At this scenario why you think that a log replay is not needed? Becuase some data might have been there only in memstore. How we get back ...
   Author: Anoop Sam John, 2013-01-16, 12:04
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