Right, but the corollary is that then you have to scan all the commitlog segment headers when flushing an empty memtable. I think the cure is potentially worse than the disease there.
On Mon, Sep 28, 2009 at 10:21 PM, Jun Rao <[email protected]> wrote: > A solution to this problem is to still call discardCompletedSegments() when > flushing an empty memtable. > > Jun > IBM Almaden Research Center > K55/B1, 650 Harry Road, San Jose, CA 95120-6099 > > [email protected] > > > Igor Katkov <[email protected]> wrote on 09/28/2009 04:32:06 PM: > >> [image removed] >> >> Re: commit logs are not deleted >> >> Igor Katkov >> >> to: >> >> cassandra-user >> >> 09/28/2009 04:33 PM >> >> Please respond to cassandra-user > >> >> Excellent! Many thanks. >> >> It works, but there is a minor thing: >> the very first created commit log segment does not get deleted. >> Log if filled with lines like >> Not safe to delete commit log d:/cassandra-4/data/commitlog >> \CommitLog-1254177667321.log; dirty is 1, >> > >> On Mon, Sep 28, 2009 at 5:21 PM, Jonathan Ellis <[email protected]> wrote: >> I have a fix now at >> https://issues.apache.org/jira/browse/CASSANDRA-459 -- only applies to >> current trunk. When Jun finishes reviewing I will backport to 0.4. >> >> Sorry for the wait, >> >> -Jonathan >> >> On Mon, Sep 28, 2009 at 2:40 PM, Igor Katkov <[email protected]> wrote: >> > Does anyone else has the same problem with 0.4? >> > As far as I know Digg and Rackspace are biggest adopters of Cassandra. >> > They >> > must be running 0.3 then. >> > >> > >> > On Sun, Sep 27, 2009 at 12:20 PM, Igor Katkov <[email protected]> wrote: >> >> >> >> full log is here (new) >> >> http://www.katkovonline.com/cassandra-log.zip >> >> >> >> On Sun, Sep 27, 2009 at 12:18 PM, Igor Katkov <[email protected]> >> >> wrote: >> >>> >> >>> There is no log lines with "column family 1" >> >>> There are only "column family 0" >> >>> >> >>> On Sun, Sep 27, 2009 at 12:02 PM, Jonathan Ellis <[email protected]> >> >>> wrote: >> >>>> >> >>>> we're looking for "column family 1" >> >>>> >> > >> >
