Re: (ITS#6405) test043-delta-syncrepl failed - producer and consumer databases differ

[michael@stroeder.com]

Howard Chu wrote:
> Howard Chu wrote:
>> Michael Ströder wrote:
>>> Howard Chu wrote:
>>>> michael@stroeder.com wrote:
>>>>> Download content of testrun/ here:
>>>>>
>>>>> http://www.stroeder.com/temp/openldap/its6405-test043-testrun.tar.gz
>>>>
>>>> Shows that a change was replicated to the consumer and ignored on the
>>>> consumer. But since there's no SYNC logging enabled, we don't see the
>>>> reason why the consumer did this...
>>>
>>> It does not happen very often. This time I had to run it almost 50
>>> times.
>>>
>>> Hope I got the sync log level right herein:
>>>
>>> http://www.stroeder.com/temp/openldap/its6405-test043-testrun-sync-log.tar.bz2
>>>
>>
>> I think you have an OS / clock problem. The skipped op in this case got
>> assigned an entryCSN older than the immediately preceding op. (The
>> missing op
>> has CSN 20091130201002.575384Z. The preceding op was
>> 20091130201002.577244Z)
>> This test doesn't run any concurrent operations, each new op is only
>> submitted
>> after the previous one completes, so this is not a thread concurrency
>> issue,
>> your system clock is going backwards.
>>
> A patch for this is now in libldap/util-int.c in HEAD.

Hmm, this is a virtual machine running in vmware-player 64 bit. But I didn't
suspect to have a clock issue therein since the host is a rather fast
dual-core notebook. I will investigate this.

Ciao, Michael.