devmadhuu opened a new pull request, #10326:
URL: https://github.com/apache/ozone/pull/10326
## What changes were proposed in this pull request?
This PR improves Recon’s DN report handling for existing containers whose
local lifecycle state has become stale.
Previously, Recon only used `ICR/FCR` replica reports to move an existing
container from `OPEN` to `CLOSING`. If Recon already had a container in stale
CLOSING or DELETED, it could remain stale until a later targeted SCM sync.
This change adds SCM-authoritative recovery for those cases:
- keeps `OPEN` -> `CLOSING` gated by healthy non-OPEN replica reports
- preserves `pipelineToOpenContainer` accounting when moving OPEN ->
CLOSING
- treats DN reports for CLOSING containers as a wake-up signal, then
queries SCM and advances Recon to SCM’s authoritative state:
- `QUASI_CLOSED`
- `CLOSED`
- `DELETING`
- `DELETED`
- recovers Recon DELETED containers when:
- DN reports a live terminal replica state, `CLOSED` or `QUASI_CLOSED`
- SCM still reports the container as `CLOSED` or `QUASI_CLOSED`
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-15308
## How was this patch tested?
Added junit tests in `TestReconContainerManager` class.
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