[Dovecot] severe performance problem (mail cache related?)

[Timo Sirainen]

On Fri, 2007-02-16 at 07:40 -0500, Bill Boebel wrote:
> I'm not sure if this is related or not, but we set mmap_disable=yes last week and since then have seen what appears to be an occasional infinite loops.  I have been trying to track down some more details before posting to the list, but here is what I have so far.  There is no error logged in the dovecot log when this occurs, and it only stops by "kill -9" on the process...

Getting gdb backtrace from the running process would help the most:

gdb attach <pid>
bt

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