I/O stats for lmtp, imap and pop

[Olivier ROLAND]

Thanks, you are perfectly right :-)

2011/7/13 Wesley Craig <wescraig at columbia.edu>:
> I'd think you'd want to add this to telemetry_rusage().  Seems like you can get this data from getrusage() since kernel 2.6.22?
>
> :wes
>
> On 12 Jul 2011, at 12:14, Olivier ROLAND wrote:
>> Linux kernel 2.6.20 and later supports per process I/O accounting.
>> You can access every process/thread's I/O read/write values by using
>> /proc filesystem.
>> You can check if your kernel has built with I/O account by just simply
>> checking /proc/self/io file.
>> If it exists then you have I/O accounting built-in.
>>
>> I use that to have real I/O stats for lmtp, imap and pop in Cyrus.
>> You just need ioconf = yes in your conf to activate I/O stats.
>> The code autodetect if your kernel support I/O account and disable the
>> stats if not.
>>
>> You can find the git branch with the code here :
>> https://github.com/worldline-messaging/cyrus-imapd/tree/io-stat
>
>