mfsmetalogger.cfg

NAME

mfsmetalogger.cfg - configuration file for mfsmetalogger

DESCRIPTION

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

SYNTAX

Syntax is:

OPTION = VALUE

Lines starting with # character are ignored as comments.

STARTUP OPTIONS

Changes in this section require process restart.

WORKING_USER: user to run daemon as
WORKING_GROUP: group to run daemon as (optional - if empty then default user group will be used)
SYSLOG_IDENT: name of process to place in syslog messages (default is mfsmetalogger)
LOCK_MEMORY: whether to perform mlockall() to avoid swapping out mfsmetalogger process (default is 0, i.e. no)
LIMIT_GLIBC_MALLOC_ARENAS: limit malloc arenas to given value - prevents server from using huge amount of virtual memory (Linux only, default is 4)
DISABLE_OOM_KILLER: disable out of memory killer (Linux only, default is 1)
NICE_LEVEL: nice level to run daemon with (default is -19 if possible; note: process must be started as root to increase priority)
FILE_UMASK: set default umask for group and others; user has always 0; default is 027 - block write for group and block all for others
DATA_PATH: where to store metadata files

RUNTIME OPTIONS

Changes in this section require only process reload.

BACK_LOGS: number of metadata change log files (default is 50)
BACK_META_KEEP_PREVIOUS: number of previous metadata files to be kept (default is 3)
META_DOWNLOAD_FREQ: metadata download frequency in hours (default is 24, at most BACK_LOGS/2)
SYSLOG_MIN_LEVEL: minimum level of messages that will be reported by matalogger; levels in order of importance: ERROR, WARNING, NOTICE, INFO, DEBUG (default is INFO)
SYSLOG_ELEVATE_TO: reported messages of level lower than set by this option will be elevated to this level (i.e. if SYSLOG_MIN_LEVEL is set to DEBUG and SYSLOG_ELEVATE_TO is set to NOTICE, all INFO and DEBUG messages will be sent to syslog as NOTICE ; default is NOTICE)

MASTER CONNECTION OPTIONS

Changes in this section require only process reload.

MASTER_RECONNECTION_DELAY: delay in seconds before trying to reconnect to master after disconnection (default is 5)
BIND_HOST: local address to use for master connections; default is *, i.e. default local address
MASTER_HOST: address of MooseFS master host to connect with (default is mfsmaster)
MASTER_PORT: number of MooseFS master port to connect with (default is 9419)
MASTER_TIMEOUT: timeout (in seconds) for master connections (default is 10)

COPYRIGHT

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 http://www.gnu.org/licenses/gpl-2.0.html