In response to AI Rumman :
> * What is the difference between shared_buffers and effective_cache_size?
effective_cache_size:
Sets the planner's assumption about the effective size of the disk cache
that is available to a single query. This parameter has no effect on the
size of shared memory allocated by PostgreSQL, nor does it reserve
kernel disk cache; it is used only for estimation purposes.
shared_buffers:
Sets the amount of memory the database server uses for shared memory
buffers.
It's all copied from the doc, there are much more details about this
parameters. Read the doc!
Regards, Andreas
--
Andreas Kretschmer
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