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https://issues.apache.org/jira/browse/HDDS-10702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devesh Kumar Singh updated HDDS-10702:
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Description:
Recon can fail to start due to multiple reasons similar to other Ozone
components, however Recon should recover from Runtime or unexpected failures
during startup and provide a meaningful information on Recon UI :
* Related to failure of registering of datanodes and invalid network topology
during Recon startup. When Recon starts up, it tries to loadExisting nodes and
during loading of nodes, cluster topology get loaded which calls add of node
during register of node event and if any discrepancy or invalid network
topology, Recon startup fails.
* Related to initialization of pipelines.
was:
Recon can fail to start due to multiple reasons similar to other Ozone
components, however Recon should recover from Runtime or unexpected failures
during startup and provide a meaningful information on Recon UI :
* Related to failure of registering of datanodes or invalid topology.
* Related to initialization of pipelines.
> Ozone Recon - Improve Recon startup failure handling and make it more
> resilient
> -------------------------------------------------------------------------------
>
> Key: HDDS-10702
> URL: https://issues.apache.org/jira/browse/HDDS-10702
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Devesh Kumar Singh
> Assignee: Devesh Kumar Singh
> Priority: Major
>
> Recon can fail to start due to multiple reasons similar to other Ozone
> components, however Recon should recover from Runtime or unexpected failures
> during startup and provide a meaningful information on Recon UI :
> * Related to failure of registering of datanodes and invalid network
> topology during Recon startup. When Recon starts up, it tries to loadExisting
> nodes and during loading of nodes, cluster topology get loaded which calls
> add of node during register of node event and if any discrepancy or invalid
> network topology, Recon startup fails.
> * Related to initialization of pipelines.
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