[Starlingx-discuss] About Nginx worker process number

Xie, Cindy cindy.xie at intel.com
Mon May 20 14:11:40 UTC 2019


Yi,
What service request will Nginx accept and process, and on what kind of frequency? Just need to evaluate how it is being used and the required responsiveness.

Thx. - cindy

From: Wang, Yi C [mailto:yi.c.wang at intel.com]
Sent: Saturday, May 18, 2019 10:54 PM
To: Rowsell, Brent <Brent.Rowsell at windriver.com>
Cc: starlingx-discuss at lists.starlingx.io
Subject: Re: [Starlingx-discuss] About Nginx worker process number

Hi all,

Any recommends on the setting for the number of  nginx worker processes of ingress controllers? Thanks.

BR.
Yi
From: Wang, Yi C [mailto:yi.c.wang at intel.com]
Sent: Thursday, May 16, 2019 8:50 PM
To: Rowsell, Brent <Brent.Rowsell at windriver.com<mailto:Brent.Rowsell at windriver.com>>
Cc: starlingx-discuss at lists.starlingx.io<mailto:starlingx-discuss at lists.starlingx.io>
Subject: [Starlingx-discuss] About Nginx worker process number

Hi Brent,

I am working on the bug https://bugs.launchpad.net/starlingx/+bug/1823803 which is about large nginx worker process number. With current starlingx code, there are three nginx ingress controllers, one for kube-system namespace ingress, one for openstack namespace ingress, and the last one for mariadb.  Each controller creates  as many worker processes as the number of cores.

I have initialized three patches to fix this issue. I have no idea about how much the workload of the three ingress controllers will be, so I temporally set the number of worker processes as 1.  Do your experts have any suggestions on this setting? Thanks.
https://review.opendev.org/#/c/659456
https://review.opendev.org/#/c/659533
https://review.opendev.org/#/c/659464

BR
Yi







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