On Tue, October 13, 2015 10:43 pm, Bron Gondwana wrote: > On Wed, Oct 14, 2015, at 00:26, ktm@xxxxxxxx wrote: > >> 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. > > I'll look into whether this is a problem (or as much of a problem) on later > releases! Just to be clear - have you tracked the issue down to the EXPUNGE > command using IO? > > > (It's unlikely that 2.3 will be patched to make EXPUNGE more efficient unless > someone else wants to do it. I've already spent a year fixing that code, and > it's called 2.4) Bron, I turned off imapd/popd process re-use last night and while this has upped the server load a few dozen percent (measured as load average, plenty of CPU cycles remaining) it appears to have dampened the I/O impact somewhat and it will allow me to more easily capture the start of the client-server conversations leading to the loop. If Rice is experiencing a similar phenomenon, more Cyrus versions and installations may be impacted as we speak. Eric Luyten, Computing Centre VUB/ULB. ---- 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
