[Dovecot] Mail statistics
Timo Sirainen
tss at iki.fi
Wed Apr 29 03:36:26 EEST 2009
I just committed a mail statistics gathering patch to v1.2:
http://hg.dovecot.org/dovecot-1.2/rev/fdaf0bda70d5
It keeps track of:
struct mail_private {
..
/* open(), stat(), .. */
unsigned long stats_dentry_lookup_count;
/* fstat() mostly */
unsigned long stats_attr_lookup_count;
/* number of files we've opened and read */
unsigned long stats_files_read_count;
/* number of bytes we've had to read from files */
unsigned long long stats_files_read_bytes;
/* number of cache lookup hits */
unsigned long stats_cache_hit_count;
So it's possible to write a plugin that does whatever with those values.
You can get them per-command or even per-single-mail-access.
Any thoughts on if those are good variables? Like would it be useful to
split dentry lookups to opens and stats?
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