Re: streaming replication does not work across datacenter with 20ms latency?

the system date formats? looks the same:

master:
#date
Sat Jul 23 21:53:34 CDT 2011

slave:
#date
Sat Jul 23 21:52:56 CDT 2011

On Sun, Jul 24, 2011 at 2:44 AM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
> On Sat, Jul 23, 2011 at 11:55 AM, Tomas Vondra <tv(at)fuzzy(dot)cz> wrote:
>> On 23 Červenec 2011, 18:14, Yan Chunlu wrote:
>>> thanks for the help!
>>> are there any other possible reasons?
>>>
>>> both system are using Debian amd64, as uname -a shows:
>>> Linux washington 2.6.26-2-amd64 #1 SMP Tue Mar 9 22:29:32 UTC 2010
>>> x86_64 GNU/Linux
>>
>> It is not just about the architecture, it means the PostgreSQL was
>> configured somehow differently during the build. E.g. a different block
>> size or WAL block size would make such problems.
>>
>> Or maybe one of the buils might be 32-bit for some reason (you can run
>> 32-bit system in a 64-bit environment). You can do this
>>
>> $ less postgres | grep Class
>>
>> to check this (ELF32 => 32bit, ELF64 => 64bit).
>>
>> Did you use the same binary packages or have you built the server yourself?
>
> Different date formats too.
>

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