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https://issues.apache.org/jira/browse/CASSANDRA-16245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17309422#comment-17309422
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Ekaterina Dimitrova commented on CASSANDRA-16245:
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Thank you for your quick response and all the work [~adejanovski].
Then we will find a reviewer soon.
> Implement repair quality test scenarios
> ---------------------------------------
>
> Key: CASSANDRA-16245
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16245
> Project: Cassandra
> Issue Type: Task
> Components: Test/dtest/java
> Reporter: Alexander Dejanovski
> Assignee: Radovan Zvoncek
> Priority: Normal
> Fix For: 4.0-rc
>
>
> Implement the following test scenarios in a new test suite for repair
> integration testing with significant load:
> Generate/restore a workload of ~100GB per node. Medusa should be considered
> to create the initial backup which could then be restored from an S3 bucket
> to speed up node population.
> Data should on purpose require repair and be generated accordingly.
> Perform repairs for a 3 nodes cluster with 4 cores each and 16GB-32GB RAM
> (m5d.xlarge instances would be the most cost efficient type).
> Repaired keyspaces will use RF=3 or RF=2 in some cases (the latter is for
> subranges with different sets of replicas).
> ||Mode||Version||Settings||Checks||
> |Full repair|trunk|Sequential + All token ranges|"No anticompaction
> (repairedAt==0)
> Out of sync ranges > 0
> Subsequent run must show no out of sync range"|
> |Full repair|trunk|Parallel + Primary range|"No anticompaction (repairedAt==0)
> Out of sync ranges > 0
> Subsequent run must show no out of sync range"|
> |Full repair|trunk|Force terminate repair shortly after it was
> triggered|Repair threads must be cleaned up|
> |Subrange repair|trunk|Sequential + single token range|"No anticompaction
> (repairedAt==0)
> Out of sync ranges > 0
> Subsequent run must show no out of sync range"|
> |Subrange repair|trunk|Parallel + 10 token ranges which have the same
> replicas|"No anticompaction (repairedAt == 0)
> Out of sync ranges > 0
> Subsequent run must show no out of sync range
> A single repair session will handle all subranges at once"|
> |Subrange repair|trunk|Parallel + 10 token ranges which have different
> replicas|"No anticompaction (repairedAt==0)
> Out of sync ranges > 0
> Subsequent run must show no out of sync range
> More than one repair session is triggered to process all subranges"|
> |Incremental repair|trunk|"Parallel (mandatory)
> No compaction during repair"|"Anticompaction status (repairedAt != 0) on all
> SSTables
> No pending repair on SSTables after completion (could require to wait a bit
> as this will happen asynchronously)
> Out of sync ranges > 0 + Subsequent run must show no out of sync range"|
> |Incremental repair|trunk|"Parallel (mandatory)
> Major compaction triggered during repair"|"Anticompaction status (repairedAt
> != 0) on all SSTables
> No pending repair on SSTables after completion (could require to wait a bit
> as this will happen asynchronously)
> Out of sync ranges > 0 + Subsequent run must show no out of sync range"|
> |Incremental repair|trunk|Force terminate repair shortly after it was
> triggered.|Repair threads must be cleaned up|
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