[
https://issues.apache.org/jira/browse/HDDS-17628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Siyao Meng reassigned HDDS-17628:
---------------------------------
Assignee: Siyao Meng
> [Specula] Verify om-snapshot-diff-optimized (placeholder until HDDS-9154 is
> complete)
> -------------------------------------------------------------------------------------
>
> Key: HDDS-17628
> URL: https://issues.apache.org/jira/browse/HDDS-17628
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Siyao Meng
> Assignee: Siyao Meng
> Priority: Minor
> Labels: specula
>
> Placeholder for a future Specula target. Do not run it yet.
> This target will verify the optimized snapshot diff path from HDDS-9154: the
> key ordered merge of the two snapshots with a dependency ordered report
> (HDDS-15390, HDDS-15391, HDDS-15393, HDDS-15394), which HDDS-15397 put behind
> {{ozone.om.snapshot.diff.optimized.enabled}} (default false). Work under
> HDDS-9154 is still open: HDDS-15400 (enable it by default and deprecate the
> old path), HDDS-15401 (remove the flag), HDDS-15402 (remove the old code),
> HDDS-15399 and HDDS-16058. HDDS-16569 ({{om-snapshot-diff-semantics}}) ran
> before the optimized path was reachable and did not include it.
> h3. When to revisit
> Once the remaining HDDS-9154 work is resolved (at least HDDS-15400 and
> HDDS-15402): write the guidance at the master commit of that time, attach it,
> retitle this issue to the usual "[Specula] Verify om-snapshot-diff-optimized
> (Apache Ozone master @<sha>)" form, and add the help-wanted label. Until then
> the title does not follow that form on purpose, so tooling that picks the
> next open target skips it.
> h3. Scope sketch
> * Whether the report matches the legacy path for the same pair of snapshots,
> including renames, deletes of parents and children, and pagination.
> * Whether applying the dependency ordered report in order to the older
> snapshot yields the newer one.
> * Job submission, resubmission, cancellation, OM restart and leader change
> while a job runs.
> Report equivalence alone may be better served by a differential property test
> against the legacy path; a model should focus on ordering and the job
> lifecycle.
--
This message was sent by Atlassian Jira
(v10.3.26#10030026)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
