Could be the the database is checkpointing then. Try experimenting with :

checkpoint_segments
checkpoint_timeout

Might be worth playing with :

wal_buffers

as well

regards

Mark

u15074 wrote:

The performance is ok and stays constant over the whole time. But I have the
following effect: from time to time a short interruption occurs (my test program
is standing still for a moment) and then it goes on.
Has anyone an idea what might cause these pauses? Is it due to caching
mechanisms of the database?





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