[pgpool-general: 296] Re: lots of errors: kind does not match between master

[Lonni J Friedman]

On Sun, Mar 25, 2012 at 9:48 PM, Tatsuo Ishii <ishii at postgresql.org> wrote:
>> Greetings,
>> I'm running pgpool-II-3.1.2 on a Linux-x86_64 server, doing load
>> balancing for a postgresql-9.04 cluster, that has 1 master, and two
>> streaming replication slaves.  Over the past few weeks, I've noticed
>> the following errors appearing in the pgpool log with increasing
>> frequency.  At this point, they're appearing at a rate of nearly 1
>> every other second:
>> 2012-03-25 14:33:31 ERROR: pid 24101: pool_read_kind: kind does not
>> match between master(45) slot[1] (52)
>> 2012-03-25 14:33:31 LOG:   pid 24101: pool_read_kind: error message
>> from master backend:sorry, too many clients already
>
> Do you see the same error in PostgreSQL master's log?

Yes, I do see it there as well, although all of the client connections
are going through pgpool, nothing connects directly to the master.