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https://issues.apache.org/jira/browse/HDDS-11123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang resolved HDDS-11123.
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Resolution: Won't Fix
We will be implementing HDDS-12778 HDDS-12501 which will greatly reduce
snapshot footprint and we will not need to shard the metadata. Resolve as Won't
Fix.
> Support for sharding for ozone.om.db.dirs
> -----------------------------------------
>
> Key: HDDS-11123
> URL: https://issues.apache.org/jira/browse/HDDS-11123
> Project: Apache Ozone
> Issue Type: Improvement
> Components: OM
> Reporter: Jyotirmoy Sinha
> Priority: Major
>
> For systems with large snapshot datasets using only 1 directory for storing
> all the snapshot data is not enough. It is filling up leading to node outage
> and other services are affected.
> So for support in these scenarios we need to support sharding of
> *ozone.om.db.dirs* in clusters where we have multiple disks mounted, just
> like we have support in *hdds.datanode.dir*
> In a test cluster the node was filled up completely -
> {code:java}
> /dev/mapper/centos_vc0701-root 1.0T 1.0T 20K 100% / {code}
> where ozone had taken up more than 90% of space which was mostly consumed by
> *ozone.om.db.dirs*
> {code:java}
> 984G hadoop-ozone {code}
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