mfsmetalogger.cfg - configuration file for mfsmetalogger

Copyright (C) 2025 Jakub Kruszona-Zawadzki, Saglabs SA 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

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

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)

mfsmetalogger.cfg - configuration file for mfsmetalogger

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)

mfsmetalogger(8) MooseFS 4.57.5-1 February 2025 mfsmetalogger.cfg(5)

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

Syntax is: OPTION=VALUE Lines starting with # character are ignored as comments.