bugConcurrent Versions System - Bugs: bug #14729, Check out or update time for...

 
 

bug #14729: Check out or update time for certain files is very long

Submitted by:  None
Submitted on:  Thu 06 Oct 2005 12:12:25 AM UTC  
 
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

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Thu 06 Oct 2005 12:12:25 AM UTC, original submission:

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).

Anonymous

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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