# How to avoid upstream timeouts?

**URL:** <https://meta.discourse.org/t/how-to-avoid-upstream-timeouts/35483>\
**Category:** Support\
**Created:** [Novembro 12, 2015, 5:17am UTC](https://meta.discourse.org/t/how-to-avoid-upstream-timeouts/35483 "2015-11-12T05:17:57Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco)\
**Post date:** [Setembro 15, 2017, 5:35pm UTC](https://meta.discourse.org/t/how-to-avoid-upstream-timeouts/35483/12 "2017-09-15T17:35:52Z")

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![](https://global.discourse-cdn.com/meta/original/3X/b/6/b6b8e8e8115115a0c503dd2ac7d7aa1300b6ca1a.gif)

`work_mem` is used several times **per query**.

So a complex query (like suggested topics) can use 5~10 times that, and this for each query running and you are fast into swapping territory.

The allow memory per work that Jeff cited, is more on don’t set 10 unicorn workers if you have a 10CPU server with 1GB ram.

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