Crash protection

[Julian Field]

On 4/3/09 17:47, Julian Field wrote:
>
>
> On 4/3/09 09:29, David Lee wrote:
>> On Tue, 3 Mar 2009, David Lee wrote:
>>
>>> [...]
>>> Anyway, we have it in service, and I'll keep monitoring it.
>>
>>
>> Something looking not quite right overnight (RPM 4.75.6-1).
>>
>> The system is handling a fair bit of mail, but not under any real 
>> stress, and the inbound queue usually has a few entries (occasionally 
>> empty; occasionally exceeding 20).  Doing about 25,000 msgs/day.
>>
>> -------------------------------------------------------
>> [root at mailrelay5 ~]# date; MailScanner --processing=0
>> Wed Mar  4 09:09:49 GMT 2009
>> Currently being processed:
>>
>> Number of messages: 11
>> Tries   Message Last Tried
>> =====   ======= ==========
>> 1       n2499fG4028919  Wed Mar  4 09:15:02 2009
>> 1       n2499h9K028926  Wed Mar  4 09:14:21 2009
>> 1       n2499g7W028925  Wed Mar  4 09:13:43 2009
>> 1       n2460pEw028445  Wed Mar  4 06:05:35 2009
>> 1       n2460mQf028411  Wed Mar  4 06:03:05 2009
>> 1       n2410rkc021019  Wed Mar  4 01:06:54 2009
>> 1       n2410ru4021020  Wed Mar  4 01:04:56 2009
>> 1       n23M0osK026902  Tue Mar  3 22:05:33 2009
>> 1       n23L0oBo004261  Tue Mar  3 21:05:06 2009
>> 1       n23G0uhc025757  Tue Mar  3 16:04:31 2009
>> 1       n23G0Jnl025407  Tue Mar  3 16:03:19 2009
>> [root at mailrelay5 ~]# 
>> -------------------------------------------------------
>>
>> 1. Residual stuff from yesterday afternoon and overnight.  The log 
>> files indicate that these were processed OK.  (It so happens that all 
>> were "Spam Actions: message ... actions are delete".)
> Okay I'll need to take a closer look at that.
Please try the attached MessageBatch.pm (which I have compressed, of 
course).
Please let me know if this fixes the problem.
>>
>> 2. For the top entries, note the current time-of-day (c. 09.09) and 
>> the "last tried" time... which is in the future.  (A few minutes 
>> later those top entries (09:xx:yy) have disappeared.)  So it looks as 
>> though something is either recording or reporting an incorrect time.  
>> And I suppose there's a chance that a bug here might be precipitating 
>> the 'overnight residue' observation.
> Sorry, I shouldn't have said "Last Tried". More accurate would be 
> "Next Try At". Just a reporting issue.
>>
>>
>>
>> Further, the log file has a small number of "Making attempt 2 at ..."
>> per hour.
>>
>>
>> Let me know if you want any more information or to try new versions, 
>> etc.
>>
>> All the best.
>>
>
> Jules
>

Jules

-- 
Julian Field MEng CITP CEng
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