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https://issues.apache.org/jira/browse/CASSANDRA-16967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yifan Cai updated CASSANDRA-16967:
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Fix Version/s: cassandra-diff-0.2
Source Control Link:
https://github.com/apache/cassandra-diff/commit/0e0d08be0f6ad70e97c55cf35b9eae16171c9eac
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
Committed into trunk as
[0e0d08b|https://github.com/apache/cassandra-diff/commit/0e0d08be0f6ad70e97c55cf35b9eae16171c9eac]
> Probabilistic diff to sample partitions for diff testing based on probability.
> ------------------------------------------------------------------------------
>
> Key: CASSANDRA-16967
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16967
> Project: Cassandra
> Issue Type: New Feature
> Components: Tool/diff
> Reporter: Jyothsna Konisa
> Assignee: Jyothsna Konisa
> Priority: Normal
> Fix For: cassandra-diff-0.2
>
>
> Probabilistic diff allows us to sample partitions randomly while running diff
> tests. It takes new config parameter `partition_sampling_probability ` that
> ranges between (0-1) and samples partitions based on this probability. The
> default value for this config property is 1 which means that all the
> partitions will be diffed. The partitions that are selected are also based on
> the JobId, for a given sampling probability and JobId we always diff on same
> partitions.This helps in reproducing any issues that one might run into.
> Probabilistic diff allows us to run diff jobs on large clusters by sampling
> some partitions.
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