[Postgres-xl-developers] How do we handle GTM proxy failure?

Amos Bird amosbird at gmail.com
Mon Dec 5 05:43:16 PST 2016

Hi Tomas,

Yes, I'm proposing auto switching over a bunch of GTM proxies. If this
makes sense, I'd like to start making my first contribution to pgxl :).


Tomas Vondra writes:

> Hi Amos
> On Fri, 2016-12-02 at 23:48 +0800, Amos Bird wrote:
>> Dear community,
>> I've been using pgxl for a while. Recently a coordinator node's gtm
>> proxy crashed and this node cannot act as an coordinator anymore. I
>> wonder if we could specify more than one proxy for coordinators?
> What do you mean by "cannot act as a coordinator anymore"? AFAIK it's
> possible to start a new proxy and instruct the coordinator to the new
> instance. Does that work, or do you get some sort of error?
> Or are you proposing that this should happen automaticaally, i.e. there
> should ne numtuple GTM proxy connections and XL should failover to one
> of them automatically?
> regards

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