Yes, it seems process 5479 hit the max_connections of PostgreSQL while
connecting to it.
Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp
> Hello everyone in the list, testing pgpool a failover is triggered but the
> master is running. The pgpool version is 3.5.5. This is the log reported by
> pgpool.
>
>
>
> Could anybody help me to clarify this error?
>
>
>
> The reason could be postgresql server has reached max_connections?
>
>
>
> Regards.
>
> 2017-02-23 14:18:58: pid 5303: ERROR: unable to read data
>
> 2017-02-23 14:18:58: pid 5303: DETAIL: child connection forced to terminate
> due to client_idle_limit:300 is reached
>
> 2017-02-23 14:25:31: pid 5479: LOG: pool_read_kind: error message from 1 th
> backend:sorry, too many clients already
>
> 2017-02-23 14:25:31: pid 5479: ERROR: unable to read message kind
>
> 2017-02-23 14:25:31: pid 5479: DETAIL: kind does not match between
> master(52) slot[1] (45)
>
> 2017-02-23 14:25:36: pid 5287: ERROR: failed to authenticate
>
> 2017-02-23 14:25:36: pid 5287: DETAIL: invalid authentication message
> response type, Expecting 'R' and received 'E'
>
> 2017-02-23 14:25:41: pid 55651: ERROR: failed to authenticate
>
> 2017-02-23 14:25:41: pid 55651: DETAIL: invalid authentication message
> response type, Expecting 'R' and received 'E'
>
> 2017-02-23 14:25:41: pid 55651: ERROR: failed to authenticate
>
> 2017-02-23 14:25:41: pid 55651: DETAIL: invalid authentication message
> response type, Expecting 'R' and received 'E'
>
> 2017-02-23 14:25:41: pid 55651: LOG: setting backend node 1 status to NODE
> DOWN
>
> 2017-02-23 14:25:41: pid 55651: LOG: received degenerate backend request
> for node_id: 1 from pid [55651]
>
> 2017-02-23 14:25:41: pid 55651: LOG: starting degeneration. shutdown host
> 192.168.5.19(5432)
>
