On Tue, October 13, 2015 3:26 pm, 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. > > Regards, > Ken Earlier today I used DTrace to capture I/O operations on our Solaris 10 mail server. The imapd processes hammered by those El Capitan Mail.app clients perform roughly 500 (five hundred) cyrus.index + cyrus.cache rewrites per second. Multiply by the number of affected users, now numbering beyond one hundred. Cool. Eric. ---- 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