Re: (ITS#6325) test054: test failed - producer and consumer databases differ

[michael@stroeder.com]

hyc@symas.com wrote:
> hyc@symas.com wrote:
>> michael@stroeder.com wrote:
>>> Download testrun/ here:
>>>
>>> http://www.stroeder.com/temp/openldap/its6325-test054-testrun.tar.gz
>> It's certainly a mystery. The *.flt shows that an entry is missing on the
>> slave. The slapd.1.log shows that the provider sent the entry. The slapd.4.log
>> shows that the consumer received the entry and ignored it. (See slapd.4.log
>> line 3307-3313. Compare with the previously received entry, lines 3161-3169.)
>>
>> The most puzzling part is that every code path in the consumer that rejects an
>> entry logs an error message, and there is no error message in the log file.
>> Without any means to reproduce this there's not much we can do. Setting a
>> higher debug level might be useful, but any error messages in this path should
>> have shown up regardless.
> 
> The same problem is in your ITS#6126 logs. The entry was received on the
> consumer but skipped without any error message.
> 
> I see now, the entry was skipped because its CSN was too old. (And that CSN
> too old message is only logged with SYNC debug is enabled.) This should be
> fixed by the patch for ITS#6346.
> 
> It was also suggested that we should only reject mods if their CSN is actually
> older than the target entry's CSN. That's still a possibility if the current
> patch is insufficient.

These ITS were filed based on failed test runs on my old Pentium III Mobile
1,8 GHz laptop (now broken). I always suspected that it might be something
others won't see because their hardware is faster. Maybe it would be good to
run the test suite on really slow systems from time to time.

Ciao, Michael.