> Also, I want to make sure, if Major compactions could only be done manually ? Major compactions are the ones you run using nodetool
> Is the author referring to this time period as no minor compactions being > triggered automatically ? They minor compaction will be triggered less frequently because you will need to run 4 compactions at the first size tier before one runs at the next. And so on. Up to the point where you need to get another 3 files roughly the same size as the one you got from the major compaction. Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 29/05/2012, at 3:41 AM, Rajat Mathur wrote: > http://www.datastax.com/docs/1.0/operations/tuning > > On this page at last, there's a note about Major Compaction which says, > > Also, once you run a major compaction, automatic minor compactions are no > longer triggered frequently... > > Could anybody give an explanation for that, because as far as I think, once a > major compaction takes place, after that let's say there would be no > compactions till N(default value 4) SSTables of same size (size of memtable > to be precise) are formed, then automatically minor compactions would start. > Is the author referring to this time period as no minor compactions being > triggered automatically ? > > Also, I want to make sure, if Major compactions could only be done manually ? > > -- > Rajat Mathur