Seems like Size Tier Compaction is based on table, which table did you set the compaction strategy? A minor compaction does not involve all the tables in a keyspace. Ref: http://datastax.com/documentation/cassandra/2.0/cassandra/operations/ops_configure_compaction_t.html http://datastax.com/documentation/cql/3.1/cql/cql_reference/tabProp.html?scroll=tabProp__moreCompaction
*Best Regards！* *Chao Yan--------------**My twitter：Andy Yan @yanchao727 <https://twitter.com/yanchao727>* *My Weibo：http://weibo.com/herewearenow <http://weibo.com/herewearenow>--------------* 2015-01-19 3:51 GMT+08:00 Flavien Charlon <flavien.char...@gmail.com>: > Hi, > > I am using Size Tier Compaction (Cassandra 2.1.2). Minor compaction is not > triggering even though it should. See the SSTables on disk: > http://pastebin.com/PSwZ5mrT > > You can see that we have 41 SSTable between 60MB and 85MB, which should > trigger compaction unless I am missing something. > > Is that a bug? > > Thanks, > Flavien >
