Re: [modeller_usage] Hard limits for size of sequence database
To: J B Procter <>
Subject: Re: [modeller_usage] Hard limits for size of sequence database
From: Modeller Caretaker <>
Date: Wed, 6 Oct 2004 10:37:57 -0700
Cc:
On Mon, Oct 04, 2004 at 03:44:25PM +0200, J B Procter wrote:
> Hi. I was wondering if there is a hard wired maximum size for the number
> of sequences that can be held in memory. I got this error :
>
> Input/Output Error 192: Record too large
No, but there is a maximum size for a 'record', which translates to the
line length. There appears to be no way round this in Fortran, short of
ditching formatted IO entirely. Modeller uses a maximum line length of
16384 characters, which I guess used to be 'long enough for everyone',
but some of the NR database IDs end up being longer than this, if many
corrections have been made. The simplest workaround for now is to chop
any excessively long lines before feeding the database to Modeller (e.g.
with a Perl script). We will look into getting round this problem
'properly' in the next release.
Ben Webb, Modeller Caretaker
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