* Question: How to limit size of log & error files
@ 2015-07-24 13:54 Dowd, Stephen
2015-07-24 14:05 ` Ben Lovell
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Dowd, Stephen @ 2015-07-24 13:54 UTC (permalink / raw)
To: unicorn-public
I'd like to control the size and on disk layout of the unicorn error and output logs. Basically I want ruby Logger like functionality where I can specify a fixed # of rolling logs each of which is limited to # mb in size. Not sure how to do this in unicorn.rb.
My unicorn.conf file has basically the defaults, with the exception of:
Stderr_path "/log/unicorn/stderr.log"
Stdout_path "/log/unicorn/stdout.log"
These files will grow to the point where the disk becomes full at which point we begin to see failures.
Thanks in advance...
Steve
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Question: How to limit size of log & error files
2015-07-24 13:54 Question: How to limit size of log & error files Dowd, Stephen
@ 2015-07-24 14:05 ` Ben Lovell
2015-07-24 14:28 ` Hleb Valoshka
2015-07-24 17:13 ` Eric Wong
2 siblings, 0 replies; 4+ messages in thread
From: Ben Lovell @ 2015-07-24 14:05 UTC (permalink / raw)
To: Dowd, Stephen; +Cc: unicorn-public
On 24 July 2015 at 14:54, Dowd, Stephen <stephen.dowd@emc.com> wrote:
> I'd like to control the size and on disk layout of the unicorn error and
> output logs. Basically I want ruby Logger like functionality where I can
> specify a fixed # of rolling logs each of which is limited to # mb in
> size. Not sure how to do this in unicorn.rb.
>
> My unicorn.conf file has basically the defaults, with the exception of:
>
> Stderr_path "/log/unicorn/stderr.log"
> Stdout_path "/log/unicorn/stdout.log"
>
>
> These files will grow to the point where the disk becomes full at which
> point we begin to see failures.
>
>
> Thanks in advance...
>
> Steve
>
It's right there in the docs:
http://unicorn.bogomips.org/examples/logrotate.conf
Cheers,
Ben
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Question: How to limit size of log & error files
2015-07-24 13:54 Question: How to limit size of log & error files Dowd, Stephen
2015-07-24 14:05 ` Ben Lovell
@ 2015-07-24 14:28 ` Hleb Valoshka
2015-07-24 17:13 ` Eric Wong
2 siblings, 0 replies; 4+ messages in thread
From: Hleb Valoshka @ 2015-07-24 14:28 UTC (permalink / raw)
To: unicorn-public
On 7/24/15, Dowd, Stephen <stephen.dowd@emc.com> wrote:
> I'd like to control the size and on disk layout of the unicorn error and
> output logs. Basically I want ruby Logger like functionality where I can
> specify a fixed # of rolling logs each of which is limited to # mb in size.
> Not sure how to do this in unicorn.rb.
>
> My unicorn.conf file has basically the defaults, with the exception of:
>
> Stderr_path "/log/unicorn/stderr.log"
> Stdout_path "/log/unicorn/stdout.log"
Create 2 FIFO and forward to syslog.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Question: How to limit size of log & error files
2015-07-24 13:54 Question: How to limit size of log & error files Dowd, Stephen
2015-07-24 14:05 ` Ben Lovell
2015-07-24 14:28 ` Hleb Valoshka
@ 2015-07-24 17:13 ` Eric Wong
2 siblings, 0 replies; 4+ messages in thread
From: Eric Wong @ 2015-07-24 17:13 UTC (permalink / raw)
To: Dowd, Stephen; +Cc: unicorn-public
"Dowd, Stephen" <stephen.dowd@emc.com> wrote:
> I'd like to control the size and on disk layout of the unicorn error
> and output logs. Basically I want ruby Logger like functionality
> where I can specify a fixed # of rolling logs each of which is limited
> to # mb in size. Not sure how to do this in unicorn.rb.
You can also use the "logger" directive to avoid using the default
Logger (which goes to $stderr) instead:
http://unicorn.bogomips.org/Unicorn/Configurator.html#method-i-logger
You'll also need to reconfigure Rack::CommonLogger and/or whatever
logger your framework (e.g. Rails/Sinatra) uses.
In modern versions of Ruby, the Logger class also seems multi-process
aware when doing its internal logrotation.
There is also SyslogLogger RubyGem which provides a Logger interface but
goes directly to syslog.
> My unicorn.conf file has basically the defaults, with the exception of:
>
> Stderr_path "/log/unicorn/stderr.log"
> Stdout_path "/log/unicorn/stdout.log"
> These files will grow to the point where the disk becomes full at
> which point we begin to see failures.
I prefer to log to files and use logrotate using a config as in
http://unicorn.bogomips.org/examples/logrotate.conf as Ben pointed out.
But you can also point those to FIFO + chronolog as Hleb pointed out,
too. That might be a little slower because of the context switches
and synchronous wakeups.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2015-07-24 17:15 UTC | newest]
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2015-07-24 13:54 Question: How to limit size of log & error files Dowd, Stephen
2015-07-24 14:05 ` Ben Lovell
2015-07-24 14:28 ` Hleb Valoshka
2015-07-24 17:13 ` Eric Wong
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