Keaton Adams wrote:
> Even with full_page_writes set to false and checkpoints taking place
> every 60 seconds or so, the amount of WAL log data generated per minute
> seems to be significant.
Stop right there. Having checkpoints every 60 seconds is insane. Did
you look into increasing checkpoint_segments a lot?
> So my question is this: If I kick off a transaction that loads records
> with a size of 100 bytes, does the insert for that record take 100 bytes
> in the WAL file, or is the data archived in the WAL log in page size
> (8k) portions?
Vicinity of 100 bytes, except right after checkpoints as you noted.
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Alvaro Herrera http://www.CommandPrompt.com/
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