Re: Out of Memory

Hello, I'm running postgres 9.6.10 on Centos 7.   Seeing the occasional out
of memory error trying to run a query.   In the logs I see something like
this:

Grand total: 462104832 bytes in 795 blocks; 142439136 free (819860 chunks);
319665696 used
2018-09-20 18:08:01 UTC xxxx 5ba3e1a2.7a8a dbname ERROR:  out of memory
2018-09-20 18:08:01 UTC xxxx 5ba3e1a2.7a8a dbname DETAIL:  Failed on request
of size 2016.

If I have 142439136 free, then why am I failing on a request of size 2016?

Am I misunderstanding here?

Thanks,
Greig Wise



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