URL:
<http://savannah.nongnu.org/bugs/?func=detailitem&item_id=14729>
Summary: Check out or update time for certain files is very
long
Project: Concurrent Versions System
Submitted by: None
Submitted on: Thu 10/06/05 at 00:12
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Release:
Fixed Release: None
Fixed Feature Release: None
_______________________________________________________
Details:
I am a member of a project that uses CVS for tracking a large software
project. Recently, we encoutered a problem where version 1.2 of a file which
had its head version of 1.5 was very slow to extract. We are running 1.12.9
-- the debian stable release.
I tried various other versions of CVS (1.11.17, 1.11.21, 1.12.11, 1.12.12)
and they all exhibited the same behavior. The case that caused a problem was
the file had 300K lines and 200K fragments (separate add/del ops). This
causes the on the order of 2 minutes per file to perform an update. I have
isolated the problem to the rcs code that looks like it is at least order n^2
(actually n*m where n is the # of lines and m is the number of fragments).
_______________________________________________________
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