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[expand - 2 more] - RE: Best technique for doing lookup with Secondary Index - HBase - [mail # user]
...Anil     Have a look at MultiTableOutputFormat  ( I am refering to 0.94 code bas e Not sure whether available in older versions)  -Anoop- ________________________________...
   Author: Anoop Sam John, 2012-10-26, 04:33
RE: problem with fliter in scan - HBase - [mail # user]
...Use  SingleColumnValueFilter#filterIfMissing(true) How many total columns in the Schema? When using the SingleColumnValueFilte r setBatch() might not work ou always.. FYI   -Anoop-...
   Author: Anoop Sam John, 2012-10-26, 04:18
RE: Hbase import Tsv performance (slow import) - HBase - [mail # user]
...wont have any impact on performance.  This is if HFileOutputFormat is being used..  There is a TableOutputFormat  which also can be used as the OutputFormat for MR.. Here writ...
   Author: Anoop Sam John, 2012-10-26, 04:07
RE: repetita iuvant? - HBase - [mail # user]
...Hi Can you tell more details? How much data your scan is going to retrieve?  W hat is the time taken in each attempt ? Can you observe the cache hit ratio? What is the memory avail in R...
   Author: Anoop Sam John, 2012-10-25, 05:44
[HBASE-7036] Exclude org.apache.hadoop.hbase.coprocessor.example.generated package from findbugs check - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-7036    Author: Anoop Sam John, 2012-10-24, 00:48
RE: A question of storage structure for memstore? - HBase - [mail # user]
...To be precise there will be one memstore per family per region.. If table having 2 CFs and there are 10 regions for that table then totally  2*10=20 memstores..  -Anoop- __________...
   Author: Anoop Sam John, 2012-10-22, 13:05
RE: HRegionInfo returns empty values. - HBase - [mail # user]
...Actually how many regions in your table? Only one region? In that case it will be having startkey and endkey as empt y.. So your case what it prints looks to be correct.   -Anoop- _____...
   Author: Anoop Sam John, 2012-10-19, 08:57
[expand - 1 more] - RE: Unable to add co-processor to table through HBase api - HBase - [mail # user]
...Anil      Yes the same. You got the HTD from the master to your client code and  just added the CP into that Object. In order to reflect the change in the H Base cluster ...
   Author: Anoop Sam John, 2012-10-19, 05:37
[expand - 1 more] - RE: Coprocessor end point vs MapReduce? - HBase - [mail # user]
...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 ...
   Author: Anoop Sam John, 2012-10-19, 03:33
[expand - 1 more] - RE: Where is code in hbase that physically delete a record? - HBase - [mail # user]
...Hi Yun,              We have preCompactScannerOpen() and preCompact() hooks..  As we said, for compaction, a scanner for reading all corresponding HFi...
   Author: Anoop Sam John, 2012-10-18, 03:32
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB