On 07/23/2011 10:55 AM, Tomas Vondra 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?
Run a pg_config and compare the differences.
>
> Tomas
>
>
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