we have some replication issues. From time to time a doveadm-server process takes 100% cpu in the state recv_mailbox_tree_deletes on the replica. The process runs forever until it is manually killed. Strace on this process doesn't show anything. Sometimes we have several doveadm-server processes in this state, all for the same account, all with 100% CPU Load.
The logfile on the master says: Error: Timeout during state=recv_mailbox_tree Error: dsync(dobby5.heinlein-support.de): I/O has stalled, no activity for 600 seconds
My workaround is to delete the user directory on the replica so that the whole account is replicated again. This solves the problem for this specific account.
The dovecot version is 2.2.15 on the master and 2.2.16 on the replica.
Dennis Kuhn
Heinlein Support GmbH Schwedter Str. 8/9b, 10119 Berlin
http://www.heinlein-support.de
Tel: 030 / 405051-57 Fax: 030 / 405051-19
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