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mfsmetalogger.cfg(5) This is part of MooseFS mfsmetalogger.cfg(5)


mfsmetalogger.cfg - configuration file for mfsmetalogger


The file mfsmetalogger.cfg contains configuration of MooseFS metalogger process.


Syntax is:

Lines starting with # character are ignored as comments.


Configuration options:

where to store metadata files
(deprecated) daemon lock/pid file
user to run daemon as
group to run daemon as (optional - if empty then default user group will be used)
name of process to place in syslog messages (default is mfsmetalogger)
whether to perform mlockall() to avoid swapping out mfsmetalogger process (default is 0, i.e. no)
limit malloc arenas to given value - prevents server from using huge amount of virtual memory (Linux onty, default is 4)
disable out of memory killer (Linux only, default is 1)
nice level to run daemon with (default is -19 if possible; note: process must be started as root to increase priority)
number of metadata change log files (default is 50)
number of previous metadata files to be kept (default is 3)
metadata download frequency in hours (default is 24, at most BACK_LOGS/2)
local address to use for master connections; default is *, i.e. default local address
address of MooseFS master host to connect with (default is mfsmaster)
number of MooseFS master port to connect with (default is 9420)
delay in seconds before trying to reconnect to master after disconnection (default is 5)
timeout (in seconds) for master connections (default is 10)


Copyright (C) 2021 Jakub Kruszona-Zawadzki, Core Technology Sp. z o.o.

This file is part of MooseFS.

MooseFS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 (only).

MooseFS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with MooseFS; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA or visit



August 2021 MooseFS 3.0.116-1