odoo cannot start when the limit_memory_hard is specified in the conf file

Question

Hi,
I am facing something really strange.  Server: ubuntu 16 Core: 8 Ram 47GB  Odoo 10 installed with workers = 4  However, if i set: limit_memory_hard = xxxx # 4GB limit_memory_soft = xxxxx # 640 MB  Odoo is unable to restart.  Any idea what could be wrong ?  Thanks,          *Dominique KON-SUN-TACK *

Xavier Brochard · Accepted Answer

With Odoo 10 default values for memory limits are 2048MiB (soft) and 2560MiB (hard), those are per workers. If you launch /usr/bin/odoo --help it will print all default values with explanations.
With 8 cores and 47 GB of ram you should have more workers and upper limits, for the total limits allow the use of max Ram (#workers x limits < available Ram). But keep free resources for other processes if needed, like if postgresql is on the same server, you have to give it cpu and ram. Olivier Dony, O

Dipak Shah · Answer

Hey,
FYI, please make sure you have given proper hard and soft limit , basic formula to calculate it as below,
limit-memory-hard = 768 * your workers (e.g 4) *1024 * 1024 = 3221225472
limit-memory-hard = 640 * your workers (e.g 4) *1024 * 1024 = 2684354560
This will definitely help you !
for more boost up your performance >
https://www.odoo.com/forum/help-1/question/hardware-for-50k-website-visitors-128995#answer-129016

Many Thanks!

Eric Macharia · Answer

find the odoo config file, eg mine is at /home/meuser/.odoorc, it contains your odoo configurations,
open the file and use the calculations done by Niyas Naphy at the top to change those values.
worked fine for me.

dominique kon sun tack · Answer

Thanks for the answers!
I consequently increased the limit-memory soft to 640*4*1024*1024, and it worked.
Cheers

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