[jira] [Updated] (CASSANDRA-19714) Use table-specific partitioners during Paxos repair

["Marcus Eriksson (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-19714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marcus Eriksson updated CASSANDRA-19714:
----------------------------------------
    Change Category: Operability
         Complexity: Normal
        Component/s: Transactional Cluster Metadata
      Fix Version/s: 5.1-alpha1
          Reviewers: Marcus Eriksson
           Assignee: Sam Tunnicliffe
             Status: Open  (was: Triage Needed)

https://github.com/krummas/cassandra/commit/0435a9dbc382a428864b4b329e127882d9c18419

> Use table-specific partitioners during Paxos repair
> ---------------------------------------------------
>
>                 Key: CASSANDRA-19714
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19714
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Transactional Cluster Metadata
>            Reporter: Sam Tunnicliffe
>            Assignee: Sam Tunnicliffe
>            Priority: Normal
>             Fix For: 5.1-alpha1
>
>
> Partition keys in the \{{system.paxos}} table are derived from the key involved in the paxos transaction. Initially, it was safe to assume that the paxos table itself used the same partitioner as the tables in the transactions as all distributed keyspaces and tables were configured with the global partitioner. This is no longer true as the \{{system_cluster_metadata.distributed_metadata_log}} has its own custom partitioner. 
> Likewise, \{{PaxosRepairHistory}} and the \{{system.paxos_repair_history}} table which makes that history durable map token ranges in the transacted tables to ballots. Prior to CASSANDRA-19482 it was safe to assume that these ranges contained tokens from the global partitioner but as this is no longer the case, we must use the specific partitioner for the table in question when working with ranges during paxos repair. 



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