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https://issues.apache.org/jira/browse/HDDS-13976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Andika updated HDDS-13976:
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Description:
This is simply an idea.
Currently, we mainly use BCSID and originNodeId to check whether we should
close a container. However, these two information are sometimes not enough to
ensure that the close quasi closed containers can be safely closed, thus
causing quasi-closed stuck containers.
It might be possible for us to use the last leader ID and use the Raft leader
guarantees (i.e. highest committed index) to add more cases where container can
still be closed if the origin node ID of the replicas are equal to last leader
ID (despite the <= 3 unique origin node ID). We might need to ensure that the
leader is ready (i.e. it already applied all the logs until its term's start up
log entry).
was:
This is simply an idea.
Currently, we mainly use BCSID and originNodeId to check whether we should
close a container. However, these two information are sometimes not enough to
ensure that the close quasi closed stuck containers.
It might be possible for us to use the last leader ID and use the Raft leader
guarantees (i.e. highest committed index) to add more cases where container can
still be closed if the origin node ID of the replicas are equal to last leader
ID (despite the <= 3 unique origin node ID). We might need to ensure that the
leader is ready (i.e. it already applied all the logs until its term's start up
log entry).
> Use last pipeline leader ID to handle quasi closed stuck containers
> -------------------------------------------------------------------
>
> Key: HDDS-13976
> URL: https://issues.apache.org/jira/browse/HDDS-13976
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Ivan Andika
> Priority: Major
>
> This is simply an idea.
> Currently, we mainly use BCSID and originNodeId to check whether we should
> close a container. However, these two information are sometimes not enough to
> ensure that the close quasi closed containers can be safely closed, thus
> causing quasi-closed stuck containers.
> It might be possible for us to use the last leader ID and use the Raft leader
> guarantees (i.e. highest committed index) to add more cases where container
> can still be closed if the origin node ID of the replicas are equal to last
> leader ID (despite the <= 3 unique origin node ID). We might need to ensure
> that the leader is ready (i.e. it already applied all the logs until its
> term's start up log entry).
>
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