Alban thank for your ideas
> It probably is, the default Postgres settings are quite modest and GIN
> indexes are memory hungry.
> I think you need to increase shared_buffers. With 2.5GB of memory (such a
> strange number) the docs > suggest about 250MB.
> See
> http://www.postgresql.org/docs/current/static/runtime-config-resource.html
> for details.
Well I did not mentioned that it all runs on Virtual Machine so that's why
2.5GB. I could not assigned more.
Today I have tried the VM machine on PC where I assigned 9GB of memory to
this VM. There I set the shared_buffers on 900MB. You were right it wa's
definitely caused by the size of memory.
I do not understand why before it was such quick even, if I had less memory.
Thanks very much for your help :-)--
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