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RE: HBase Random Read latency > 100ms - HBase - [mail # user]
...I can't say for SCR. There is a possibility that the feature is broken, of course. But the fact that hbase.regionserver.checksum.verify does not affect performance means that OS caches effec...
   Author: Vladimir Rodionov, 2013-10-09, 17:59
RE: Coprocessor Errors - HBase - [mail # user]
...HBase 0.94.x is not compatible with the latest guava:   class com.google.common.collect.AbstractMapBasedMultimap  AbstractMapBasedMultimap class hierarchy has been changed in 14 ve...
   Author: Vladimir Rodionov, 2013-10-01, 02:31
RE: Still not sure who to blame: Hbase, zookeeper, security? - HBase - [mail # user]
...Version?  Best regards, Vladimir Rodionov Principal Platform Engineer Carrier IQ, www.carrieriq.com e-mail: [EMAIL PROTECTED]  ________________________________________ From: Jay Vy...
   Author: Vladimir Rodionov, 2013-09-27, 18:21
RE: Large Files in Column Qualifier - HBase - [mail # user]
...HBase is not  a file storage. It was not designed to be a file storage. Depending on your usage pattern I would suggest you another approach:  Store your files in a large "upload b...
   Author: Vladimir Rodionov, 2013-09-21, 16:38
RE: HBase Table Row Count Optimization - A Solicitation For Help - HBase - [mail # user]
...How long does it take for RowCounter Job for largest table to finish on your cluster?  Just curious.  On your options:  1. Not worth it probably - you may overload your cluste...
   Author: Vladimir Rodionov, 2013-09-20, 23:58
RE: HBase Negation or NOT operator - HBase - [mail # user]
...https://github.com/forcedotcom/phoenix to your help. It is worth taking a look at least.  Best regards, Vladimir Rodionov Principal Platform Engineer Carrier IQ, www.carrieriq.com e-mai...
   Author: Vladimir Rodionov, 2013-09-17, 16:08
Re: Documenting Guidance on compression and codecs - HBase - [mail # dev]
...lz4 is at least 2x faster  than Snappy with comparable compression.  BLOCK_ENCODING make sense only if Keys are ~ Values (time-series type of data) as since it compresses only keys...
   Author: Vladimir Rodionov, 2013-09-11, 20:33
RE: HBase : get(...) vs scan and in-memory table - HBase - [mail # user]
...There is no guarantee that your tables are in memory and you can not verify this directly. HBase will do its best to keep them in memory but its not 100%. Cache is divided in 3 zones (defaul...
   Author: Vladimir Rodionov, 2013-09-11, 18:07
RE: Tables gets Major Compacted even if they haven't changed - HBase - [mail # user]
...Sure, you can overwrite standard compaction in RegionCoprocessor  Best regards, Vladimir Rodionov Principal Platform Engineer Carrier IQ, www.carrieriq.com e-mail: [EMAIL PROTECTED] &nb...
   Author: Vladimir Rodionov, 2013-09-10, 05:10
RE: Hbase ExportSnapshot with AWS - HBase - [mail # user]
...Great, thanks.  One possible enhancement: support for  arbitrary file system (not only s3).  Best regards, Vladimir Rodionov Principal Platform Engineer Carrier IQ, www.carrie...
   Author: Vladimir Rodionov, 2013-09-09, 23:42
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