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RE: Scan performance - HBase - [mail # user]
...Lars, I thought that column family is the locality group and placement columns which are frequently accessed together into the same column family (locality group) is the obvious performance ...
   Author: Vladimir Rodionov, 2013-06-22, 00:00
RegionServer Statistics does seem right (0.94.6) - HBase - [mail # dev]
...This is what I see on my RS stats page (/rs-status):  requestsPerSecond=0, numberOfOnlineRegions=292, numberOfStores=299, numberOfStorefiles=112, storefileIndexSizeMB=2, rootIndexSizeKB...
   Author: Vladimir Rodionov, 2013-06-21, 21:39
RE: memstore timestamp and visible timestamp - HBase - [mail # dev]
...Time can go backwards. One time a year. By one hour. I may be wrong but it seems that the situation described by TS (memTS1 > me mTS2 and ts1  To: [EMAIL PROTECTED] Cc: "[EMAIL PROTE...
   Author: Vladimir Rodionov, 2012-08-03, 21:27
RE: search metric about Hbase vs Oracle or Mysql - HBase - [mail # dev]
...I do not think you will find anything. HBase is not the replacement for Ora cle or MySQL. What are you going to compare? Single server performance? Any RDBMs properl y tuned will be faster b...
   Author: Vladimir Rodionov, 2012-07-10, 16:42
RE: Some suggestions for future features - HBase - [mail # dev]
...Scan implies scanning table and this is what I would like to avoid. I consi der "bulk" delete as a hint (internal filter) for HBase (RegionServer) execution of which can be deferred  un...
   Author: Vladimir Rodionov, 2012-06-06, 17:59
RE: Shared HDFS for HBase and MapReduce - HBase - [mail # dev]
...Sure,  limiting number of slots is a way of IO throttling for MR jobs If you can do this - go ahead and do this.  Best regards, Vladimir Rodionov Principal Platform Engineer Carrie...
   Author: Vladimir Rodionov, 2012-06-06, 17:49
RE: Coprocessor - HBase - [mail # dev]
...I think the combination of a Scanner on a client side  and Coprocessor (Reg ionObserver) on HBase side will provide streaming functionality you need.  Your coprocessor can intercep...
   Author: Vladimir Rodionov, 2012-06-03, 18:24
RE: HBase backup option - HBase - [mail # dev]
...Carlos,  By "consistency" I meant - internal HBase consistency between .META. table  and table's WAL. I realize that w/o internal HBase & HDFS support for atomic snapshots there is...
   Author: Vladimir Rodionov, 2012-05-09, 18:03
RE: keyvalue cache - HBase - [mail # dev]
..."in the mean time, memcached could provide all those benefits without addin g any complexity to hbase..."  Tell this to Hypertable guys next time when they will be testing random get s ...
   Author: Vladimir Rodionov, 2012-04-04, 21:57
RE: LZ4 compression support - HBase - [mail # dev]
...LZ4 is slightly faster than snappy (from my own tests) but I really doubt t hat anyone will see performance difference in HBase (or in Hadoop)  Best regards, Vladimir Rodionov Principal...
   Author: Vladimir Rodionov, 2012-02-28, 18:20
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