[Pgpool-general] kind mismatch among backends. keeps changing between servers

[paul jobs]

in parallel_mode
shud i turn on load_balance or not

if load_balance is turned on nothing works
if it is turned off it gets partial data which is not godo

On Wed, Jul 8, 2009 at 1:44 AM, » Ruben Alves <rubenalves at fm.ul.pt> wrote:

> Hello, I had the same problem last week.
> Maybe is because the two nodes are not exactly the same. Functions like
> pg_dump/pg_restore are not sufficient to make a perfect replication. You
> should try rsync  or tar.gz your postgresql folder and send it to the others
> nodes.
> I also found an interesting point, the way postgresql is configured in
> node1 and node2 should be practically the same (in my case:
> /etc/postgresql/8.3/main/postgresql.conf)
>
> Regards,
>
> Ruben
>
> mobiledreamers at gmail.com wrote:
>
>> this keeps changing and causing errors
>>
>> The connection kind keeps changing how do we detect this - this is causing
>> a major problem - how do we debug this
>>
>> has any one encountered this behavior in pgpool-II parallel mode
>> thanks
>>
>> 2009-07-07 14:28:23 LOG:   pid 5582: statement: select * from zeitgist
>> where keywords=E'megan foxx tattoos'
>> 2009-07-07 14:28:23 ERROR: pid 5582: read_kind_from_backend: 3 th kind D
>> does not match with master or majority connection kind C
>> 2009-07-07 14:28:23 ERROR: pid 5582: kind mismatch among backends.
>> Possible last query was: "select * from zeitgist where keywords=E'megan foxx
>> tattoos'" kind details are: 0[C] 1[C] 2[C] 3[D]
>> 2009-07-07 14:28:23 LOG:   pid 5582: do_child: exits with status 1 due to
>> error
>>
>> ot match with master or majority connection kind C
>> 2009-07-07 14:35:46 ERROR: pid 19440: kind mismatch among backends.
>> Possible last query was: "select * from zeitgist where keywords=E'hrvatski
>> porno'" kind details are: 0[C] 1[C] 2[C] 3[D]
>> 2009-07-07 14:35:46 LOG:   pid 19440: do_child: exits with status 1 due to
>> error
>>
>>
>>
>> 2009-07-07 14:29:27 LOG:   pid 4859: statement: select * from zeitgist
>> where keywords=E'niñas follando de edad 13'
>> 2009-07-07 14:29:27 ERROR: pid 4859: read_kind_from_backend: 2 th kind D
>> does not match with master or majority connection kind C
>> 2009-07-07 14:29:27 ERROR: pid 4859: kind mismatch among backends.
>> Possible last query was: "select * from zeitgist where keywords=E'niñas
>> follando de edad 13'" kind details are: 0[C] 1[C] 2[D] 3[C]
>> 2009-07-07 14:29:27 LOG:   pid 4859: do_child: exits with status 1 due to
>> error
>>
>> 2009-07-07 14:34:38 LOG:   pid 19436: do_child: exits with status 1 due to
>> error
>> 2009-07-07 14:34:46 LOG:   pid 19448: pool_read_message_length2: message
>> length (17) in slot 2 does not match with slot 0(24)
>> 2009-07-07 14:34:46 LOG:   pid 19448: statement: SET DATESTYLE TO 'ISO'
>> 2009-07-07 14:34:46 LOG:   pid 19448: statement: SHOW client_encoding
>> 2009-07-07 14:34:46 LOG:   pid 19448: statement: SHOW
>> default_transaction_isolation
>> 2009-07-07 14:34:46 LOG:   pid 19448: statement: BEGIN; SET TRANSACTION
>> ISOLATION LEVEL READ COMMITTED
>> 2009-07-07 14:34:46 LOG:   pid 19448: statement: select * from zeitgist
>> order by count desc limit 10
>> 2009-07-07 14:34:46 ERROR: pid 19448: read_kind_from_backend: 2 th kind C
>> does not match with master or majority connection kind D
>> 2009-07-07 14:34:46 ERROR: pid 19448: kind mismatch among backends.
>> Possible last query was: "select * from zeitgist order by count desc limit
>> 10" kind details are: 0[D] 1[D] 2[C] 3[D]
>> 2009-07-07 14:34:46 LOG:   pid 19448: do_child: exits with status 1 due to
>> error
>>
>>
>>
>> --
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>>
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>>
>
>
> --
> Ruben Alves
> System Analyst USI @ Instituto de Medicina Molecular
>
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