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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Clarify, operator does not have to go through a long log to find the issue. Instead, he/she needs to be notified that something severe/unexpected just happened
and he/she needs to check it out.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Qing He
<br>
<b>Sent:</b> Tuesday, June 25, 2013 1:09 PM<br>
<b>To:</b> 'OpenStack Development Mailing List'<br>
<b>Subject:</b> RE: [openstack-dev] Should RPC consume_in_thread() be more fault tolerant?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Does the log alert operator? Something like SNMP trap?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Ray Pekowski
<a href="mailto:[mailto:pekowski@gmail.com]">[mailto:pekowski@gmail.com]</a> <br>
<b>Sent:</b> Tuesday, June 25, 2013 12:16 PM<br>
<b>To:</b> OpenStack Development Mailing List<br>
<b>Subject:</b> Re: [openstack-dev] Should RPC consume_in_thread() be more fault tolerant?<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p><br>
On Jun 25, 2013 1:09 PM, "Qing He" <<a href="mailto:Qing.He@radisys.com">Qing.He@radisys.com</a>> wrote:<br>
><br>
> Basically, when 'unexpected' happens, someone (e.g., operator) needs to know about it and look into it to see if it is something benign or fatal. If it is masked, the system may degrade overtime unnoticed into unusable.<o:p></o:p></p>
<p>The approach implemented in the patch is to log the exception and retry at a rate of one per second. An alternative would be a log and a sys.exit() to kill the entire process. Be aware that the code affected by this patch is rpc created dispatcher like
threads. Let's have a vote on which option is preferrable.<o:p></o:p></p>
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