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Posted to commits@cassandra.apache.org by "C. Scott Andreas (JIRA)" <ji...@apache.org> on 2018/11/18 23:47:00 UTC
[jira] [Updated] (CASSANDRA-14709) Global configuration parameter
to reject increment repair and allow full repair only
[ https://issues.apache.org/jira/browse/CASSANDRA-14709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
C. Scott Andreas updated CASSANDRA-14709:
-----------------------------------------
Component/s: Repair
Configuration
> Global configuration parameter to reject increment repair and allow full repair only
> ------------------------------------------------------------------------------------
>
> Key: CASSANDRA-14709
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14709
> Project: Cassandra
> Issue Type: Wish
> Components: Configuration, Repair
> Reporter: Thomas Steinmaurer
> Priority: Major
> Fix For: 2.2.x, 3.0.x, 3.11.x, 4.0.x
>
>
> We are running Cassandra in AWS and On-Premise at customer sites, currently 2.1 in production with 3.0/3.11 in pre-production stages including loadtest.
> In a migration path from 2.1 to 3.11.x, I’m afraid that at some point in time we end up in incremental repairs being enabled / ran a first time unintentionally, cause:
> a) A lot of online resources / examples do not use the _-full_ command-line option available since 2.2 (?)
> b) Our internal (support) tickets of course also state nodetool repair command without the -full option, as these examples are for 2.1
> Especially for On-Premise customers (with less control than with our AWS deployments), this asks a bit for getting out-of-control once we have 3.11 out and nodetool repair being run without the -full command-line option.
> With troubles incremental repair are introducing and incremental being the default since 2.2 (?), what do you think about a JVM system property, cassandra.yaml setting or whatever … to basically let the cluster administrator chose if incremental repairs are allowed or not? I know, such a flag still can be flipped then (by the customer), but as a first safety stage possibly sufficient enough.
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