[Zope] Fluctuation in response time
Dieter Maurer
dieter at handshake.de
Thu May 19 13:57:31 EDT 2005
Pascal Peregrina wrote at 2005-5-19 17:23 +0200:
> ... 1 request per second ...
>The response time is 15 to 17ms... So far, perfect.
>
>-- BUT --
>
>Every 30 seconds, the response time (for one request) raises to 330ms (an
>then goes back to 15-17ms)
>
>Question : in Zope, is there something running in the background every 30
>seconds ?
No.
But the cyclic garbage collector might be activated from time to time
(based on the number of allocated objects).
>Could it be something related to the Zeo connections / cache ?
Very unlikely.
It could be invalidation message processing -- if someone
commits modifying transactions with a 30s period.
--
Dieter
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