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MOGSTATS(1)           User Contributed Perl Documentation          MOGSTATS(1)


NAME

       mogstats -- Utility for calculating slow stats directly against a
       MogileFS DB


SYNOPSIS

           $ mogstats --db_dsn="DBI:mysql:mfs:host=mfshost" --db_user="mfs" \
                      --db_pass="mfs" --verbose --stats="devices,files"
           $ mogstats --stats="all"
           $ mogstats [all options in ~/.mogilefs.conf]


DESCRIPTION

       Utility for inspecting queues and running general statistics against a
       MogileFS database. Some of these stats can take a very long time to run
       against a large instance, so the utility can be pointed at a read slave
       or special account.


OPTIONS

       --db_dsn=<DBI_dsn>
           The DSN to use for connecting to the MogileFS database server.

       --db_user=<username>
           A database user for connecting to the database.

       --db_pass=<password>
           An optional password for the database user.

       --config=<file>
           An explicit config file to use. By default
           /etc/mogilefs/mogilefs.conf and ~/.mogilefs.conf are checked.

       --verbose
           Print some extra text during processing. Mostly notes about what
           stats are starting or finishing.

       --stats=<stats>
           A list of which statistics to calculate. Notes on some of them are
           listed below, see --help for full list. A value of "all" fetches
           all possible stats.

       --help
           List usage info and supported statistics.


AVAILABLE STATISTICS

       Contains notes on which stats may be fast or slow.

       devices
           Lists count of files and current database status per-device. Can be
           very slow.

       fids
           Lists the current highest file id. Should be fast.

       files
           Gives a breakdown of where files are by domain and class. Displays
           the size of all stored files pre-replication, as well as post-
           replication size. The latter being closer to the actual storage
           amount. Can be very slow.

       domains
           Shows a simple count of where files are by domain and class. Faster
           than using "files" but displays less information.

       replication
           Displays a breakdown of devcount per domain/class combo. Shows
           number of files in domain "foo" with class "bar" that have a
           current devcount of 0, 1, 2, 3, etc. Useful for spotting broken
           files (devcount 0), replication lag, or over replication bugs. Can
           be very slow.

       replication-queue
           Quick breakdown of how many fids are due for replication. Fids
           listed as "manual" need manual intervention before they can be
           replicated, and could be broken. Will be fast unless there are many
           files in queue.

       delete-queue
           Similar to replication-queue.

       general-queue
           Displays a breakdown of what's in the general queue. This includes
           FSCK, Rebalance, and other temporary queueing systems MogileFS has.
           Should be fast unless you have configured MogileFS to queue many
           fids at once.


AUTHOR

       Dormando <dormando@rydia.net>


BUGS

       None known.


LICENSE

       Licensed for use and redistribution under the same terms as Perl
       itself.

perl v5.20.2                      2012-06-26                       MOGSTATS(1)

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