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ITAGAKI Takahiro wrote:
> I wrote:
> 
> > I'll rewrite my patch to use
> > FSMPageData in both places so that users can always estimate the memory
> > to 6 bytes per page.
> 
> Here is a revised patch to reduce memory usage during VACUUM,
> using FSMPageData (6 byte) instead of PageFreeSpaceInfo (8 or 16 bytes).
> The keepable pages with freespace will extended to 21GB from 8GB with
> 16MB of default maintenance_work_mem.
> 
> Regards,
> ---
> ITAGAKI Takahiro
> NTT Open Source Software Center
> 

[ Attachment, skipping... ]

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> TIP 9: In versions below 8.0, the planner will ignore your desire to
>        choose an index scan if your joining column's datatypes do not
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-- 
  Bruce Momjian  <[EMAIL PROTECTED]>          http://momjian.us
  EnterpriseDB                               http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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