sarvekshayr opened a new pull request, #10673:
URL: https://github.com/apache/ozone/pull/10673
## What changes were proposed in this pull request?
Adds `ozone debug scm container export` to run an async export on the SCM
leader. Matching container IDs (by lifecycle and/or health state) are written
as newline-delimited text shards and packed into a TAR under
`{scm.db.dirs}/exports/`. Use `export status --job-id` to check progress;
completed jobs report a fixed elapsedMs and the TAR path. Delete export files
manually when no longer needed.
## What is the link to the Apache JIRA
[HDDS-15496](https://issues.apache.org/jira/browse/HDDS-15496)
## How was this patch tested?
```
# ozone debug scm container export --health-state MISSING
Submitted container ID export job: 8520cf61-05c5-4934-976c-3ebcd36649b0
Export directory on SCM leader: /var/lib/hadoop-ozone/scm/data/exports
Check status with: ozone debug scm container export status --job-id
8520cf61-05c5-4934-976c-3ebcd36649b0
# ozone debug scm container export status --job-id
8520cf61-05c5-4934-976c-3ebcd36649b0
jobId=8520cf61-05c5-4934-976c-3ebcd36649b0
state=SUCCEEDED
totalRows=41,851
elapsedMs=226
exportDir=/var/lib/hadoop-ozone/scm/data/exports
healthState=MISSING
tarPath=/var/lib/hadoop-ozone/scm/data/exports/container-ids-health-MISSING-20260706T064125Z-8520cf61-05c5-4934-976c-3ebcd36649b0.tar
Delete the TAR file on the SCM leader manually when no longer needed.
# cat
container-ids-health-MISSING-20260706T054532Z-6e6891cb-2b86-4964-a36c-0d444b994ca3.tar
container-ids-health-MISSING-2026-07-06T05:45:32Z-part001.txt0100644 0000000
0000000 00001050561 15222640374 021044 0ustar000000000 0000000
# jobId=6e6891cb-2b86-4964-a36c-0d444b994ca3
# timestamp=2026-07-06T05:45:32Z
# healthState=MISSING
# startContainerId=1013
# part=1
# format=container-id-per-line
1013
1016
1034
1054
1055
1075
1088
1102
1103
1120
1136
1137
...
```
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