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Posted to commits@cassandra.apache.org by "Josh McKenzie (Jira)" <ji...@apache.org> on 2022/09/29 19:47:00 UTC
[jira] [Comment Edited] (CASSANDRA-17679) Make resumable bootstrap feature optional
[ https://issues.apache.org/jira/browse/CASSANDRA-17679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17609642#comment-17609642 ]
Josh McKenzie edited comment on CASSANDRA-17679 at 9/29/22 7:46 PM:
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[PR|https://github.com/josh-mckenzie/cassandra-dtest/commit/b2934e11ea7093af2644977a3b79e5a81e989bf6] for cassandra-dtest adding the env var to the tests requiring resumability.
Ran locally cleanly; running on -[CI w/dtest PR|https://app.circleci.com/pipelines/github/josh-mckenzie/cassandra/305/workflows/994a5c01-0557-4eda-a6bd-58411fd1c532]-
Attempt #2. Looks like it picked up dtest repo changes correctly [this time|https://app.circleci.com/pipelines/github/josh-mckenzie/cassandra/310/workflows/f917ed25-b790-46b8-95e3-7ecbb381d8b7]
was (Author: jmckenzie):
[PR|https://github.com/josh-mckenzie/cassandra-dtest/commit/b2934e11ea7093af2644977a3b79e5a81e989bf6] for cassandra-dtest adding the env var to the tests requiring resumability.
Ran locally cleanly; running on [CI w/dtest PR|https://app.circleci.com/pipelines/github/josh-mckenzie/cassandra/305/workflows/994a5c01-0557-4eda-a6bd-58411fd1c532]
> Make resumable bootstrap feature optional
> -----------------------------------------
>
> Key: CASSANDRA-17679
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17679
> Project: Cassandra
> Issue Type: New Feature
> Components: Consistency/Streaming
> Reporter: Josh McKenzie
> Assignee: Josh McKenzie
> Priority: Normal
> Fix For: 4.x
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> From the patch I'm working on:
> {code}
> # In certain environments, operators may want to disable resumable bootstrap in order to avoid potential correctness
> # violations or data loss scenarios. Largely this centers around nodes going down during bootstrap, tombstones being
> # written, and potential races with repair. By default we leave this on as it's been enabled for quite some time,
> # however the option to disable it is more palatable now that we have zero copy streaming as that greatly accelerates
> # bootstraps. This defaults to true.
> # resumable_bootstrap_enabled: true
> {code}
> Not really a great fit for guardrails as it's less a "feature to be toggled on and off" and more a subset of a specific feature that in certain circumstances can lead to issues.
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