[jira] [Commented] (CASSANDRA-17679) Make resumable bootstrap feature optional

["Josh McKenzie (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-17679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17571542#comment-17571542 ] 

Josh McKenzie commented on CASSANDRA-17679:
-------------------------------------------

Added -D param in DBD check on config; system property wins out if it exists over cassandra.yaml

||Item|Link||
|PR|[link|https://github.com/apache/cassandra/pull/1752]|
|JDK8 CI|[link|https://app.circleci.com/pipelines/github/josh-mckenzie/cassandra/248/workflows/29218c53-86a4-43af-990b-d0d4d0b8d4e4]|
|JDK11 CI|[link|https://app.circleci.com/pipelines/github/josh-mckenzie/cassandra/248/workflows/706f5620-325c-4fb2-961f-d64818f69e80]|
 

> 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: 10m
>  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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