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Re: fsfs still very unstable with simultaneous commits

From: C.A.T.Magic <c.a.t.magic_at_gmx.at>
Date: 2004-06-09 10:52:42 CEST

i created a few batch files to reproduce the effect.
the test is using file:/// effect.
i think it doesn't reproduce on remote repositories,
because its essential that both commands run at the
same time and same speed. rendom network delay may
reduce the occourence.
i test this on a hyperthreading cpu, and the effect is
most noticeable when both commits run at the same frequency,
but almost not reproducable if they run at different speeds.

unzip the 3 files, adjust the file:///X:/Repos path
then start makefsfs.bat once.
this should create "Repos", "Work1", "Work2"
then open two consoles and start
   fill10000.bat from Work1
and
   fill20000.bat from Work2

note that there is a "svn cleanup" in the
file10000/fill2000 files, this is to make the loop
going on even after the svn client crashes
(which it does quite often in my tests)

i hope this helps to reproduce the errors

=====
c.a.t.

p.s: luckily the effect does not reproduce for a bdb repository.

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Received on Wed Jun 9 10:53:25 2004

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