Sam Tunnicliffe created CASSANDRA-19714:
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Summary: Use table-specific partitioners during Paxos repair
Key: CASSANDRA-19714
URL: https://issues.apache.org/jira/browse/CASSANDRA-19714
Project: Cassandra
Issue Type: Improvement
Reporter: Sam Tunnicliffe
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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