Attila Doroszlai created HDDS-8160:
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             Summary: Snapshot Diff timeout
                 Key: HDDS-8160
                 URL: https://issues.apache.org/jira/browse/HDDS-8160
             Project: Apache Ozone
          Issue Type: Bug
          Components: Snapshot
    Affects Versions: 1.4.0
            Reporter: Attila Doroszlai
         Attachments: om.log

Encountered timeout in snapshot diff acceptance test in _acceptance (unsecure)_ 
in one of my branches.  The only 
[change|https://github.com/apache/ozone/compare/master...adoroszlai:hadoop-ozone:HDDS-7975#diff-2be73cab1b66d3165c7fdf1e5b3d1e769f8051d23ee83dce26735398a1babc23]
 in unsecure acceptance test in this branch compared to {{master}} is removal 
of S3 and Ozone FS tests.

{code:title=https://github.com/adoroszlai/hadoop-ozone/actions/runs/4418335086/jobs/7745572874#step:5:956}
Snapshot Diff                                                         | FAIL |
Test timeout 5 minutes exceeded.
{code}

{code:title=OM log}
om_1        | java.lang.RuntimeException: Graph traversal level exceeded 
allowed maximum (1000000). This could be due to invalid input generating a loop 
in the traversal path. Same SSTs found so far: [000064, 000074], different 
SSTs: []
om_1        |   at 
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.internalGetSSTDiffList(RocksDBCheckpointDiffer.java:896)
om_1        |   at 
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.getSSTDiffList(RocksDBCheckpointDiffer.java:794)
om_1        |   at 
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.getSSTDiffListWithFullPath(RocksDBCheckpointDiffer.java:762)
om_1        |   at 
org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager.getDeltaFiles(SnapshotDiffManager.java:375)
om_1        |   at 
org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager.getSnapshotDiffReport(SnapshotDiffManager.java:222)
om_1        |   at 
org.apache.hadoop.ozone.om.OmSnapshotManager.getSnapshotDiffReport(OmSnapshotManager.java:279)
om_1        |   at 
org.apache.hadoop.ozone.om.OzoneManager.snapshotDiff(OzoneManager.java:4483)
om_1        |   at 
org.apache.hadoop.ozone.protocolPB.OzoneManagerRequestHandler.snapshotDiff(OzoneManagerRequestHandler.java:1223)
om_1        |   at 
org.apache.hadoop.ozone.protocolPB.OzoneManagerRequestHandler.handleReadRequest(OzoneManagerRequestHandler.java:300)
{code}



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