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Posted to commits@cassandra.apache.org by "Alex Petrov (Jira)" <ji...@apache.org> on 2020/08/27 15:06:01 UTC
[jira] [Updated] (CASSANDRA-15537) 4.0 quality testing: Local
Read/Write Path: Upgrade and Diff Test
[ https://issues.apache.org/jira/browse/CASSANDRA-15537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Petrov updated CASSANDRA-15537:
------------------------------------
Component/s: Test/dtest/java
> 4.0 quality testing: Local Read/Write Path: Upgrade and Diff Test
> -----------------------------------------------------------------
>
> Key: CASSANDRA-15537
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15537
> Project: Cassandra
> Issue Type: Task
> Components: Test/dtest/java, Test/dtest/python
> Reporter: Josh McKenzie
> Assignee: Yifan Cai
> Priority: Normal
> Fix For: 4.0-beta
>
>
> Reference [doc from NGCC|https://docs.google.com/document/d/1uhUOp7wpE9ZXNDgxoCZHejHt5SO4Qw1dArZqqsJccyQ/edit#] for context.
> Execution of upgrade and diff tests via cassandra-diff have proven to be one of the most effective approaches toward identifying issues with the local read/write path. These include instances of data loss, data corruption, data resurrection, incorrect responses to queries, incomplete responses, and others. Upgrade and diff tests can be executed concurrent with fault injection (such as host or network failure); as well as during mixed-version scenarios (such as upgrading half of the instances in a cluster, and running upgradesstables on only half of the upgraded instances).
> Upgrade and diff tests are expected to continue through the release cycle, and are a great way for contributors to gain confidence in the correctness of the database under their own workloads.
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