Re: How to build with bigger WAL segment file?

On Jun 19, 2006, at 4:10 PM, Clodoaldo Pinto wrote:
> 2006/6/19, Clodoaldo Pinto <clodoaldo(dot)pinto(at)gmail(dot)com>:
>> Since I have a database with a frequent and huge update batch, the
>> WAL
>> segment file number is about 130. I suspect these files management
>> during the update is hurting performance. Is it likely? I'm using
>> Fedora Core 3 and checkpoint_segments is set to 64.
>>
>> To overcome this I'm considering to make the WAL segment files
>> bigger.
>> The segment file default size is 16 MB. How to build from the source
>> rpm to have bigger files, say 128 MB?
>>
>
> I found it in src/include/pg_config_manual.h:

BTW, someone (Mark Wong?) recently posted some performance testing
results from upping XLOG_SEG_SIZE... take a look in the archives.
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Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
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