Yes, It was my misunderstanding. I supposed that HBase would keep at least 1 version. It forbids to add more versions since I don't need them. TTL should remove all expired versions during major compation and table row count would be decreased.
So I got a little more knowledge. Thanks! 2014-09-02 23:18 GMT+04:00 Jean-Marc Spaggiari <[email protected]>: > Correct. > > Default value is 0. So you have added this parameter in your table creation > script? > > > 2014-09-02 15:15 GMT-04:00 Serega Sheypak <[email protected]>: > > > Fix, sorry, should set to MIN_VERSIONS=0, correct? > > > > > > 2014-09-02 23:01 GMT+04:00 Jean-Marc Spaggiari <[email protected] > >: > > > > > Oh! I know why! > > > > > > MIN_VERSIONS is setup to 1! Soyou will always have at least one > version, > > > even if TTL is passed. > > > > > > If you really want all to be removed, change this to 0. > > > > > > JM > > > > > > > > > 2014-09-02 14:58 GMT-04:00 Ted Yu <[email protected]>: > > > > > > > What release of hbase are you using ? > > > > > > > > Have you checked region server log for compaction related logs ? > > > > > > > > Cheers > > > > > > > > On Sep 2, 2014, at 11:40 AM, Serega Sheypak < > [email protected]> > > > > wrote: > > > > > > > > > Hi, I'm trying to use HBase TTL feature > > > > > here is table DDL: > > > > > > > > > > hbase(main):004:0> describe 'item_to_item_similar_rec' > > > > > DESCRIPTION > > > > > ENABLED > > > > > > > > > > {NAME => 'my_table', FAMILIES => [{NAME => 'd', DATA_BLOCK_ENCODING > > => > > > > > 'NONE', BLOOMFILTER => 'ROWCOL', REPLI true > > > > > > > > > > CATION_SCOPE => '0', VERSIONS => '1', COMPRESSION => 'NONE', > > > MIN_VERSIONS > > > > > => '1', TTL => '172800', KEEP_DELETED_CELLS => 'fal > > > > > > > > > > se', BLOCKSIZE => '65536', IN_MEMORY => 'true', ENCODE_ON_DISK => > > > 'true', > > > > > BLOCKCACHE => 'true'}]} > > > > > > > > > > 1 row(s) in 0.1730 seconds > > > > > > > > > > It has ttl set to 172800 seconds = 2 days. > > > > > I see a cells that are much older than two days: > > > > > > > > > > column=d:099, timestamp=1409049061509, value=\x01\ > > > > > current ts = 1409679511000 > > > > > > > > > > 1409679511000 - 1409049061509 = 630449491 > > > > > > > > > >
