From: nigel@9fs.org
To: 9fans@cse.psu.edu
Subject: Re: [9fans] venti arenas
Date: Wed, 30 Apr 2003 10:22:28 +0100 [thread overview]
Message-ID: <290123fc5bcb125f2b317222cfa4e020@9fs.org> (raw)
In-Reply-To: <6641ba56fe369dcba9498b55574627c9@hamnavoe.demon.co.uk>
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OK. I can see that the max-oversize is 1Mb, and not 2 * 'arenasize',
but that 1Mb is a constant embedded in the code.
Externally, I can't tell how to choose my arena size.
Surely that's untidy?
Unless, of course, there's a reason to have 1Mb free at the end.
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From: Richard Miller <miller@hamnavoe.demon.co.uk>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] venti arenas
Date: Wed, 30 Apr 2003 10:03:21 +0100
Message-ID: <6641ba56fe369dcba9498b55574627c9@hamnavoe.demon.co.uk>
> If they don't fit exactly into the arenas file, according to the
> storage stats, the last arena is bigger than the requested
> arena size.
>
> Please tell me that only the first 'arenasize' bytes are used,
> otherwise I have to set arena size to just less than half
> the size of my backup media...
I think the last arena can only exceed arenasize by up to MinArenaSize
bytes, which is 1 megabyte. So you only have to set arenasize to
1MB less than the size of your backup media.
next prev parent reply other threads:[~2003-04-30 9:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-30 7:22 nigel
2003-04-30 7:40 ` nigel
2003-04-30 9:03 ` Richard Miller
2003-04-30 9:10 ` Lucio De Re
2003-05-07 4:26 ` Boyd Roberts
2003-04-30 9:22 ` nigel [this message]
2003-04-30 18:10 ` rsc
-- strict thread matches above, loose matches on Subject: below --
2003-04-01 6:34 nigel
2003-04-01 7:47 ` Martin C.Atkins
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