> nodetool compactionstats, gives > > pending tasks: 13120 If there are no errors in the log, I would say this is a bug.
Cheers ----------------- Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 19/06/2013, at 11:41 AM, Franc Carter <franc.car...@sirca.org.au> wrote: > On Wed, Jun 19, 2013 at 9:34 AM, Bryan Talbot <btal...@aeriagames.com> wrote: > Manual compaction for LCS doesn't really do much. It certainly doesn't > compact all those little files into bigger files. What makes you think that > compactions are not occurring? > > Yeah, that's what I thought, however:- > > nodetool compactionstats, gives > > pending tasks: 13120 > Active compaction remaining time : n/a > > when I run nodetool compact in a loop the pending tasks goes down gradually. > > This node also has vastly higher latencies (x10) than the other nodes. I saw > this with a previous CF than I 'manually compacted', and when the pending > tasks reached low numbers (stuck on 9) then latencies were back to low > milliseconds > > cheers > > -Bryan > > > > On Tue, Jun 18, 2013 at 3:59 PM, Franc Carter <franc.car...@sirca.org.au> > wrote: > On Sat, Jun 15, 2013 at 11:49 AM, Franc Carter <franc.car...@sirca.org.au> > wrote: > On Sat, Jun 15, 2013 at 8:48 AM, Robert Coli <rc...@eventbrite.com> wrote: > On Wed, Jun 12, 2013 at 3:26 PM, Franc Carter <franc.car...@sirca.org.au> > wrote: > > We are running a test system with Leveled compaction on Cassandra-1.2.4. > > While doing an initial load of the data one of the nodes ran out of file > > descriptors and since then it hasn't been automatically compacting. > > You have (at least) two options : > > 1) increase file descriptors available to Cassandra with ulimit, if possible > 2) increase the size of your sstables with levelled compaction, such > that you have fewer of them > > Oops, I wasn't clear enough. > > I have increased the number of file descriptors and no longer have a file > descriptor issue. However the node still doesn't compact automatically. If I > run a 'nodetool compact' it will do a small amount of compaction and then > stop. The Column Family is using LCS > > Any ideas on this - compaction is still not automatically running for one of > my nodes > > thanks > > > cheers > > > =Rob > > > > -- > Franc Carter | Systems architect | Sirca Ltd > franc.car...@sirca.org.au | www.sirca.org.au > Tel: +61 2 8355 2514 > Level 4, 55 Harrington St, The Rocks NSW 2000 > PO Box H58, Australia Square, Sydney NSW 1215 > > > > > -- > Franc Carter | Systems architect | Sirca Ltd > franc.car...@sirca.org.au | www.sirca.org.au > Tel: +61 2 8355 2514 > Level 4, 55 Harrington St, The Rocks NSW 2000 > PO Box H58, Australia Square, Sydney NSW 1215 > > > > > > -- > Franc Carter | Systems architect | Sirca Ltd > franc.car...@sirca.org.au | www.sirca.org.au > Tel: +61 2 8355 2514 > Level 4, 55 Harrington St, The Rocks NSW 2000 > PO Box H58, Australia Square, Sydney NSW 1215 >
