Re: [Postgres-xc-general] Failed to get pooled connections - overnight

[Pavan D. <pav...@gm...>]

Sent from my iPhone

> On 12-May-2014, at 8:51 pm, Aaron Jackson <aja...@re...> wrote:
> 
> This morning I came in and connected to my coordinator.  I issued a query to count table A and this succeeded.  I then asked it to count table B and it failed with "Failed to get pooled connections" - I did an explain on both tables and this is what it told me..
> 
> explain select count(*) from tableA;
> 
>  Aggregate  (cost=2.50..2.51 rows=1 width=0)
>    ->  Data Node Scan on "__REMOTE_GROUP_QUERY__"  (cost=0.00..0.00 rows=1000 width=0)
>          Node/s: node_pgs01_1, node_pgs02_1, node_pgs03_1
> (3 rows)
> 
> explain select count(*) from tableB;
> 
>  Aggregate  (cost=2.50..2.51 rows=1 width=0)
>    ->  Data Node Scan on "__REMOTE_GROUP_QUERY__"  (cost=0.00..0.00 rows=1000 width=0)
>          Node/s: node_pgs01_1, node_pgs01_1, node_pgs02_1, node_pgs01_1, node_pgs03_1, node_pgs01_1
> (3 rows)
> 
> I've seen this twice now, so I figured that maybe the pool needed to be reloaded... so I issued pgxc_pool_reload() but that did not help.  Restarting the coordinator did not change anything, so it appears to be that the metadata for table B is bad?  No nodes have been added or removed since this table was created.
> 
> Any thoughts?
> 

Did you check if all the nodes are running fine ?

Thanks,
Pavan

> Aaron
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