Long Lived imapd processes

Dmitry Alyabyev gw-cyrus at news.kiev.sovam.com
Wed Apr 16 11:22:44 EDT 2003


Probably you are talking about imapd proccesses in TIME_WAIT state

> 
> Whenever we reboot, it takes only about 15-20 minutes to get
> to the same number of imapd processes as before the reboot.
> I've never checked, but I suspect the clients just reconnect.
> That requires re-authenticating, which uses a lot more resources
> than responding to a NOOP every few minutes.  (Note - we are
> using an ancient Cyrus derivative, not Cyrus itself).
> 
> - Jerry
> 
> On Tue, 15 Apr 2003, Rob Siemborski wrote:
> 
>> On Tue, 15 Apr 2003, Earl R Shannon wrote:
>> 
>> > The processes are using resources on a resource limited machine. We are
>> > looking at all the ways we can reduce the load on the machine. Having a
>> > client connected for a month and not reading mail is not productive for
>> > anybody.
>> 
>> An imapd process that isn't doing anything other than answering a NOOP
>> once every few minutes isn't costing you many resources (some minimal
>> amount of swap space, maybe).
>> 
>> -Rob
>> 
>> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
>> Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
>> Research Systems Programmer * /usr/contributed Gatekeeper
>> 
>>

-- 
Dimitry





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