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Re: Still hang on svn 4951 RedHat 7.3 SMP

From: Philip Martin <philip_at_codematters.co.uk>
Date: 2003-02-20 13:07:08 CET

David Summers <david@summersoft.fay.ar.us> writes:

> > Index: subversion/libsvn_fs/fs.c
> > ===================================================================
> > --- subversion/libsvn_fs/fs.c (revision 4721)
> > +++ subversion/libsvn_fs/fs.c (working copy)
> > @@ -163,7 +163,7 @@
> >
> > /* Checkpoint any changes. */
> > {
> > - int db_err = env->txn_checkpoint (env, 0, 0, 0);
> > + int db_err = env->txn_checkpoint (env, 8000, 60, 0);
> >
> > #if SVN_BDB_HAS_DB_INCOMPLETE
> > while (db_err == DB_INCOMPLETE)
> >
> All 30 iterations completed without a single hang! Since it was mostly
> hanging before and only occasionly not hanging then I would say that's
> definitely either the problem or the symptom of the problem (sounds like
> symptom according to other related email).

Each regression test is fairly small, 8MB and 60 seconds is probably
enough to complete each test without a single checkpoint. It's not
clear why checkpointing should fail on some systems and not others.

Have you ever tried running the stress.pl script on this system? You
will find at tools/dev/stress.pl, there are instructions for running
it at the top if the file. I would be interested to know if you can
provoke a hang by running it.

-- 
Philip Martin
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Received on Thu Feb 20 13:07:55 2003

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