On Mon, Jan 11, 2016 at 9:12 PM, Shuo Chen <chenatu2...@gmail.com> wrote:
> I have a assumption that, lots of pending compaction tasks jam the memory > and raise full gc. The full chokes the process and slows down compaction. > And this causes more pending compaction tasks and more pressure on memory. > The question is why there are so many pending compactions, because your log doesn't show that much compaction is happening. What keyspaces / columnfamilies do you expect to be compacting, and how many SSTables do they contain? > Is there a method to list the concrete details of pending compaction tasks? > Nope. For the record, this type of extended operational debugging is often best carried out interactively on #cassandra on freenode IRC.. :) =Rob
