On Tue, Oct 13, 2015 at 11:13:43AM +0200, Eric Luyten wrote: > Howdy, > > > In recent weeks I have noticed a number of clients entering seemingly > endless loops writing the cyrus.index on a sometimes empty mailbox, > resulting in several dozen MB/s writing to our mail spool for hours on > end. > > Always IMAP, never POP, sometimes TCP/143, mostly TCP/995 > > I enabled telemetry logging on several of these accounts and here's a > typical snippet : > > <1444726821<1<1444726821<804.3507 IDLE > >1444726821>+ idling > <1444726821<D<1444726821<ONE > >1444726821>1804.3507 OK Completed > <1444726821<1<1444726821<805.3507 EXPUNGE > >1444726821>* 0 EXISTS > * 0 RECENT > 1805.3507 OK Completed > <1444726821<1<1444726821<806.3507 IDLE > >1444726821>+ idling > <1444726821<D<1444726821<ONE > >1444726821>1806.3507 OK Completed > <1444726821<1<1444726821<807.3507 EXPUNGE > >1444726822>* 0 EXISTS > * 0 RECENT > 1807.3507 OK Completed > <1444726822<1<1444726822<808.3507 IDLE > >1444726822>+ idling > <1444726822<D<1444726822<ONE > >1444726822>1808.3507 OK Completed > <1444726822<1<1444726822<809.3507 EXPUNGE > >1444726918>* 0 EXISTS > * 0 RECENT > 1809.3507 OK Completed > > > > Clues ? > > > Eric Luyten, Computing Centre VUB/ULB. > Hi Eric, The El Capitan Mac Mail was recently released. It definitely has a problem. We saw our typical sync log size go from 10k when busy to 100k+. We are going to recommend that people wait to upgrade to that release until the problem is addressed. Regards, Ken ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus