Notice
This document is for a development version of Ceph.
MDS Autoscaler Module
The MDS Autoscaler Module monitors file systems to ensure that sufficient MDS daemons are available. It works by adjusting the placement specification for the orchestrator backend of the MDS service. To enable, use:
ceph mgr module enable mds_autoscaler
The module monitors the following file-system settings to inform placement- count adjustments:
max_mds
file system settingstandby_count_wanted
file system setting
The Ceph monitor daemons remain responsible for promoting or stopping MDS
according to these settings. The mds_autoscaler
simply adjusts the
number of MDS daemons spawned by the orchestrator.
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