From: Eric Wong <e@80x24.org>
To: unicorn-public@bogomips.org
Subject: [PATCH] doc: document Etc.nprocessors for worker_processes
Date: Thu, 12 Mar 2015 22:32:49 +0000 [thread overview]
Message-ID: <1426199569-13051-1-git-send-email-e@80x24.org> (raw)
Ruby 2.2 has Etc.nprocessors, and using that (directly or as a
factor) for setting worker_processes is often (but not always)
appropriate.
---
TUNING | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/TUNING b/TUNING
index 542ebdc..6a6d7db 100644
--- a/TUNING
+++ b/TUNING
@@ -17,9 +17,12 @@ See Unicorn::Configurator for details on the config file format.
\Unicorn is NOT for serving slow clients, that is the job of nginx.
* worker_processes should be *at* *least* the number of CPU cores on
- a dedicated server. If your application has occasionally slow
- responses that are /not/ CPU-intensive, you may increase this to
- workaround those inefficiencies.
+ a dedicated server (unless you do not have enough memory).
+ If your application has occasionally slow responses that are /not/
+ CPU-intensive, you may increase this to workaround those inefficiencies.
+
+* Under Ruby 2.2 or later, Etc.nprocessors may be used to determine
+ the number of CPU cores present.
* worker_processes may be increased for Unicorn::OobGC users to provide
more consistent response times.
--
2.3.2.209.gd67f9d5
reply other threads:[~2015-03-12 22:32 UTC|newest]
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