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https://issues.apache.org/jira/browse/CASSANDRA-16205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17218182#comment-17218182
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Michael Semb Wever edited comment on CASSANDRA-16205 at 10/21/20, 8:18 AM:
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bq. If the objective here is to pre-generate tokens to speed up dtests on
CASSANDRA-16079, couldn't we generate them using the latter approach on
ccm/dtest ?
For CASSANDRA-16079 isn't the code (and the imbalance) parity what we want?
That is we want tests to be running on the same setups that
{{allocate_tokens_for_local_replication_factor}} generates, since that is our
default (soon to be).
I agree that the script could be extended to generate "balanced", but the user
will still want the RF algorithm approach for those adding nodes to an existing
cluster situations (for the same reason we have the algorithm inside C*). If
you agree, can this then be a follow on ticket?
was (Author: michaelsembwever):
bq. If the objective here is to pre-generate tokens to speed up dtests on
CASSANDRA-16079, couldn't we generate them using the latter approach on
ccm/dtest ?
For CASSANDRA-16079 isn't the code (and the imbalance) parity what we want?
That is we want tests to be running on the same setups that
allocate_tokens_for_local_replication_factor generates, since that is our
default (soon to be).
I agree that the script could be extended to generate "balanced", but the user
will still want the RF algorithm approach for those adding nodes to an existing
cluster situations (for the same reason we have the algorithm inside C*). If
you agree, can this then be a follow on ticket?
> Offline token allocation strategy generator tool
> ------------------------------------------------
>
> Key: CASSANDRA-16205
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16205
> Project: Cassandra
> Issue Type: Improvement
> Components: Local/Config, Local/Scripts
> Reporter: Michael Semb Wever
> Assignee: Michael Semb Wever
> Priority: Normal
>
> A command line tool to generate tokens (using the
> allocate_tokens_for_local_replication_factor algorithm) for pre-configuration
> of {{initial_tokens}} in cassandra.yaml.
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