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Re: Deprecating/removing PropertyFileSnitch?


Will GossipingPropertyFileSnitch not be vulnerable to Gossip bugs where we
lose hostId or some other fields when we restart C* for large
clusters(~1000 instances)?

On Tue, Oct 16, 2018 at 7:59 AM Jeff Jirsa <jjirsa@xxxxxxxxx> wrote:

> We should, but the 4.0 features that log/reject verbs to invalid replicas
> solves a lot of the concerns here
>
> --
> Jeff Jirsa
>
>
> > On Oct 16, 2018, at 4:10 PM, Jeremy Hanna <jeremy.hanna1234@xxxxxxxxx>
> wrote:
> >
> > We have had PropertyFileSnitch for a long time even though
> GossipingPropertyFileSnitch is effectively a superset of what it offers and
> is much less error prone.  There are some unexpected behaviors when things
> aren’t configured correctly with PFS.  For example, if you replace nodes in
> one DC and add those nodes to that DCs property files and not the other DCs
> property files - the resulting problems aren’t very straightforward to
> troubleshoot.
> >
> > We could try to improve the resilience and fail fast error checking and
> error reporting of PFS, but honestly, why wouldn’t we deprecate and remove
> PropertyFileSnitch?  Are there reasons why GPFS wouldn’t be sufficient to
> replace it?
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