Yup, you can check the what HH is doing via JMX. there is a bug in 0.7 that can result in log files not been deleted https://issues.apache.org/jira/browse/CASSANDRA-2829
Cheers ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 22/08/2011, at 4:56 AM, Anand Somani wrote: > We have a lot of space on /data, and looks like it was flushing data fine > from file timestamps. > > We did have a bit of goofup with IP's when bringing up a down node (and the > commit files have been around since then). Wonder if that is what triggered > it and we have a bunch of hinted handoff's being backed up. > > For hinted hand off - how do I check if the nodes are collecting hints ( I do > have it turned on). I noticed console bean HintedHandManager, is that the > only way to find out. > > On Sun, Aug 21, 2011 at 9:20 AM, Peter Schuller <peter.schul...@infidyne.com> > wrote: > > When does the actual commit-data file get deleted. > > > > The flush interval on all my memtables is 60 minutes > > They *should* be getting deleted when they no longer contain any data > that has not been flushed to disk. Are flushes definitely still > happening? Is it possible flushing has started failing (e.g. out of > disk)? > > The only way I can think of over nodes directly affecting the commit > log size on your node would be e.g. hinted handoff resulting in burst > of writes. > > -- > / Peter Schuller (@scode on twitter) >