Re: [HACKERS] 8K block limit - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [HACKERS] 8K block limit
Date
Msg-id 199902171657.LAA22942@candle.pha.pa.us
Whole thread Raw
In response to Re: [HACKERS] 8K block limit  (Peter T Mount <peter@taer.maidstone.gov.uk>)
Responses RE: [HACKERS] 8K block limit  ("Stupor Genius" <stuporg@erols.com>)
List pgsql-hackers
> 
> I think some file systems are more optimised for 8K blocks. I may be
> thinking on the original reason for the 8k limit in the first place, but I
> remember there was discussions about this when the block size was altered.

Yes, most UFS file systems use 8k blocks/2k fragments.  It allows write
of block in one i/o operation.

--  Bruce Momjian                        |  http://www.op.net/~candle maillist@candle.pha.pa.us            |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026
 


pgsql-hackers by date:

Previous
From: Peter T Mount
Date:
Subject: Re: [HACKERS] 8K block limit
Next
From: Eric Blood
Date:
Subject: unsubscribe