[ic] Perl 5.8.0 + Interchange Clustering locking issues

Barry Treahy, Jr. interchange-users@icdevgroup.org
Mon Sep 9 21:46:01 2002


Dan Browning wrote:

> At 09:36 PM 9/8/2002 -0700, you wrote:
>
>> At 10:28 PM 7/27/2002 +0200, you wrote:
>>
>>>> Dan Browning wrote:
>>>>
>>>>> For fun, I was testing Perl 5.8.0 (default build options) on our 
>>>>> Interchange cluster and found some file locking problems.  We'll 
>>>>> be sticking with 5.6.1 for now, but I wanted to warn those who run 
>>>>> clusters just in case they try it:
>>>>> x.x.x.x - - [27/July/2002:12:10:03 -0700] www11 
>>>>> /cgi-bin/template/index.html Runtime error: Could not lock file:
>>>>> Interrupted system call
>>>>> It occurs even under very light loads, with MySQL sessions, and 
>>>>> everything else shared over NFS3 (fcntl locks).  Perhaps it will 
>>>>> be fixed in Perl 5.8.1...
>>>>
>>>>
>>>> It this happens with TRAFFIC = low or high? Did you get such 
>>>> message with TRAFFIC = rpc too?
>>>
>>>
>>> Yes, I did get the error with high & rpc (even with MaxServers 0).
>>
>>
>> Our site went live this weekend we're not running in a cluster but we 
>> are seeing these errors too..
>> We're running 4.8.6 on RH 7.1 with Perl 5.8.0 and traffic is set at 
>> high where as at low, no errors were reported...
>
>
> Hopefully the issue can be resolved, but until then I would recommend 
> that you go back to 5.6.1.

I don't suppose that could solve my DBM query errors too :-)

Barry

-- 

Barry Treahy, Jr  *  Midwest Microwave  *  Vice President & CIO 

E-mail: Treahy@mmaz.com * Phone: 480/314-1320 * FAX: 480/661-7028