Robert, thanks for these references! We're not using DTCS, so 9056 and 8243 seem out, but I'll take a look at 9577 (also looked at the referenced thread on this list, which seems to have some interesting data)
On Wed, Jul 22, 2015 at 5:33 PM, Robert Coli <rc...@eventbrite.com> wrote: > On Wed, Jul 22, 2015 at 2:55 PM, Bryan Cheng <br...@blockcypher.com> > wrote: > >> nodetool still reports the node as being healthy, and it does respond to >> some local queries; however, the CPU is pegged at 100%. One common thread >> (heh) each time this happens is that there always seems to be one of more >> compaction threads running (via nodetool tpstats), and some appear to be >> stuck (active count doesn't change, pending count doesn't decrease). A >> request for compactionstats hangs with no response. >> > > I've heard other reports of compaction appearing to stall in 2.1.7... > wondering if you're affected by any of these... > > https://issues.apache.org/jira/browse/CASSANDRA-9577 > or > https://issues.apache.org/jira/browse/CASSANDRA-9056 or > https://issues.apache.org/jira/browse/CASSANDRA-8243 (these should not be > in 2.1.7) > > =Rob > >
