OSDir

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Repair scheduling tools


LastPickle's reaper should be the starting point of any discussion on
repair scheduling.

On Tue, Apr 3, 2018 at 12:48 PM, Blake Eggleston <beggleston@xxxxxxxxx>
wrote:

> Hi dev@,
>
>
>
> The question of the best way to schedule repairs came up on
> CASSANDRA-14346, and I thought it would be good to bring up the idea of an
> external tool on the dev list.
>
>
>
> Cassandra lacks any sort of tools for automating routine tasks that are
> required for running clusters, specifically repair. Regular repair is a
> must for most clusters, like compaction. This means that, especially as far
> as eventual consistency is concerned, Cassandra isn’t totally functional
> out of the box. Operators either need to find a 3rd party solution or
> implement one themselves. Adding this to Cassandra would make it easier to
> use.
>
>
>
> Is this something we should be doing? If so, what should it look like?
>
>
>
> Personally, I feel like this is a pretty big gap in the project and would
> like to see an out of process tool offered. Ideally, Cassandra would just
> take care of itself, but writing a distributed repair scheduler that you
> trust to run in production is a lot harder than writing a single process
> management application that can failover.
>
>
>
> Any thoughts on this?
>
>
>
> Thanks,
>
>
>
> Blake
>
>