From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: <38a2e7d21538cbb13c98079e39dc3a3d@coraid.com> References: <38a2e7d21538cbb13c98079e39dc3a3d@coraid.com> Date: Wed, 24 Aug 2011 12:29:04 -0400 Message-ID: Subject: Re: [9fans] edit a huge file From: Russ Cox To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Topicbox-Message-UUID: 14f09c06-ead7-11e9-9d60-3106f5b1d025 >> that's not true. =C2=A0it's still useful even with the temporary copy. >> and the temporary copy makes sure things aren't changing >> out from under acme's feet. > > i'm not sure what statement you're refuting. "you'd have to convince it to not read the entire file preemptively to make this a useful feature." > =C2=A0the reason i think > making the copy is a problem for a 7 gb file is the excessive time > it takes for big files. copying 7gb doesn't take that long. it certainly takes less time than rewriting acme to remove a fundamental assumption. if you're editing a 7gb file i think you're willing to wait a little while. > does the acme temp file get entirely rewritten when one file > changes? =C2=A0i.e. is this the mbox problem? no