Re: [pgpool-general: 5345] Failover but master is running

Retrying is not possible, but by setting fail_over_on_backend_error to
off, you can avoid failover.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp

> Could be possible to use retries upon Streaming Replication Check for
> preventing failover when connections to master fails?
>
> Regards.
>
> -----Mensaje original-----
> De: Tatsuo Ishii [mailto:ishii(at)sraoss(dot)co(dot)jp]
> Enviado el: jueves, 23 de febrero de 2017 05:14 p. m.
> Para: lazaro3487(at)gmail(dot)com
> CC: pgpool-general(at)pgpool(dot)net; pgsql-admin(at)postgresql(dot)org
> Asunto: Re: [pgpool-general: 5345] Failover but master is running
>
> 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)
>>
>