Wei-Chiu Chuang created HDDS-14506:
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Summary: [Website v2] [Docs] [Administrator Guide] Directory
Configurations for Ozone Manager
Key: HDDS-14506
URL: https://issues.apache.org/jira/browse/HDDS-14506
Project: Apache Ozone
Issue Type: Sub-task
Components: documentation
Reporter: Wei-Chiu Chuang
[https://ozone-site-v2.staged.apache.org/docs/administrator-guide/configuration/basic/directories/ozone-manager]
Administrator Guide -> Configuration -> Basic -> Directories -> Ozone Manager
{code:java}
<property>
<name>ozone.om.db.dirs</name>
<value/>
<tag>OZONE, OM, STORAGE, PERFORMANCE</tag>
<description>
Directory where the OzoneManager stores its metadata. This should
be specified as a single directory. If the directory does not
exist then the OM will attempt to create it.
If undefined, then the OM will log a warning and fallback to
ozone.metadata.dirs. This fallback approach is not recommended for
production environments.
</description>
</property>
<property>
<name>ozone.om.db.dirs.permissions</name>
<value>750</value>
<description>
Permissions for the metadata directories for Ozone Manager. The
permissions have to be octal or symbolic. If the default permissions are
not set
then the default value of 750 will be used.
</description>
</property>
<property>
<name>ozone.om.ratis.storage.dir</name>
<value/>
<tag>OZONE, OM, STORAGE, MANAGEMENT, RATIS</tag>
<description>This directory is used for storing OM's Ratis metadata like
logs. If this is not set then default metadata dirs is used. A warning
will be logged if this not set. Ideally, this should be mapped to a
fast disk like an SSD.
If undefined, OM ratis storage dir will fallback to ozone.metadata.dirs.
This fallback approach is not recommended for production environments.
</description>
</property>
<property>
<name>ozone.om.ratis.snapshot.dir</name>
<value/>
<tag>OZONE, OM, STORAGE, MANAGEMENT, RATIS</tag>
<description>This directory is used for storing OM's snapshot
related files like the ratisSnapshotIndex and DB checkpoint from leader
OM.
If undefined, OM snapshot dir will fallback to ozone.metadata.dirs.
This fallback approach is not recommended for production environments.
</description>
</property>
<property>
<name>ozone.om.snapshot.diff.db.dir</name>
<value/>
<tag>OZONE, OM</tag>
<description>
Directory where the OzoneManager stores the snapshot diff related data.
This should be specified as a single directory. If the directory does not
exist then the OM will attempt to create it.
If undefined, then the OM will log a warning and fallback to
ozone.metadata.dirs. This fallback approach is not recommended for
production environments.
</description>
</property> {code}
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