No, logs are always written either in renamed old file or created newly by master process.
There is window between sending signal and reopening new files by worker processes.


--
Igor Sysoev
http://nginx.com/support.html

On Dec 15, 2012, at 22:20 , S Ahmed wrote:

> I see, thanks.
>
> So there is there a small window of time when the logs will not be written or lost?
>
>
> On Sat, Dec 15, 2012 at 4:44 AM, Igor Sysoev <igor@sysoev.ru> wrote:
> On Dec 15, 2012, at 2:10 , S Ahmed wrote:
>
>> m irya,
>>
>> Thanks. I'm planning to run 12.04 ubuntu.
>>
>> What exactly does 're-opening' of a log file mean? Isn't it already open, meaning nginx has it open and is appending to it?
>>
>> So step by step, what is to be done?
>>
>> 1. kill -USR1
>> 2. rename file?
>> 3. kill -USR1 'cat /var/run/nginx.pid'
>> 4. profit
>
> 1. rename file
> 2. kill -USR1 'cat /var/run/nginx.pid'
> 3. sleep 2
> 4. do everything with the file: gzipping, moving to other host, etc.
>
>
> --
> Igor Sysoev
> http://nginx.com/support.html
>
>
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