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Posted to issues@ozone.apache.org by "Ethan Rose (Jira)" <ji...@apache.org> on 2021/10/20 20:41:06 UTC
[jira] [Updated] (HDDS-3080) Configurable container placement
policy may not be compatible with pipeline placement policy
[ https://issues.apache.org/jira/browse/HDDS-3080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ethan Rose updated HDDS-3080:
-----------------------------
Target Version/s: 1.3.0 (was: 1.2.0)
I am managing the 1.2.0 release and we currently have more than 600 issues targeted for 1.2.0. I am moving the target field to 1.3.0.
If you are actively working on this jira and believe this should be targeted for the 1.2.0 release, Please reach out to me via Apache email or Slack.
> Configurable container placement policy may not be compatible with pipeline placement policy
> --------------------------------------------------------------------------------------------
>
> Key: HDDS-3080
> URL: https://issues.apache.org/jira/browse/HDDS-3080
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: SCM
> Affects Versions: 1.0.0
> Reporter: Stephen O'Donnell
> Priority: Major
>
> New pipelines are created on hosts in a rack aware way using PipelinePlacementPolicy, which supports only rack aware and random.
> However the Container Placement Policy used by ReplicationManager can be configured between the following using the config option ozone.scm.container.placement.impl:
> SCMContainerPlacementRackAware
> SCMContainerPlacementCapacity
> SCMContainerPlacementRandom
> If there is a network topology configured via net.topology.table.file.name, then it would be possible to have an incompatible setting for ozone.scm.container.placement.impl.
> We need to consider how to ensure the replication manager and Pipeline Provider always use compatible policies. One option may be to merge the rack aware policies as suggested in HDDS-3079, and also allow Capacity and Random to be used in the pipeline provider.
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