Hi, Any guidance on this topic would be appreciated :).
2013/8/23 Alain RODRIGUEZ <arodr...@gmail.com> > Hi, > > I am currently using about 10 CF to store temporal data. Those data are > growing pretty big (hundreds of GB when I actually only need information > from the last month - i.e. about hundreds of MB). > > I am going to delete old (and useless) data, I cannot always use TTL since > I have counters too. Yet I know that deletes are a bit tricky in Cassandra, > due to the fact that they are distributed. > > I was wondering about the best way to keep high performance and get rid of > tombstones easily. > > I was considering 2 ways to do it : > > - Major compaction on these 10 CF to force them to always keep fresh data > only and remove tombstones > - LCS to have more chance to get all parts of the row in one SSTable, > allowing tombstones to be removed eventually. > > What would be the better option (i.e. what would be the impact of both > solutions) ? > Do you need more information about those CF to answer this question ? > > Any insight is welcome, as always. > > Alain >