[pgrouting-dev] TSP, server crashes and what nots

Stephen Woodbridge woodbri at swoodbridge.com
Thu Jun 27 12:52:09 PDT 2013


I just checked in a few changes related to TSP issues.

1. fixed the order reporting when an end node is specified
2. added checks if less than 4 locations are requested in tsp and report 
error
3. fixed some other minor bugs I found while review the code

There is still and outstanding TSP issue:
https://github.com/pgRouting/pgrouting/issues/127

that really needs to be fixed, but I'm not sure how this was intended to 
work in the first place before I converted it to the new code. I added a 
bunch of questions to the the ticket. Some feedback would be appreciated.

Thanks,
   -Steve

On 6/27/2013 8:59 AM, Stephen Woodbridge wrote:
> I have created a general ticket for this:
> https://github.com/pgRouting/pgrouting/issues/141
>
> If you find specific crashes or issues you should create a new ticket
> with all the appropriate details on how to reproduce it and in the body
> of that ticket include '#141' so they are linked.
>
> Thanks,
>    -Steve
>
> On 6/26/2013 11:06 PM, Stephen Woodbridge wrote:
>> Hi All,
>>
>> Dave P. - thanks for the TSP problem reports.
>>
>> Nagase-san - thank you for the crash reports.
>>
>> My schedule is for the next 2 wks will be focused on some contract work
>> I have to deliver So I'm not sure how much time I will have to tackle
>> pgRouting issues.
>>
>> I think I can work in looking at the new TSP issues for that starts. My
>> next major pgrouting task is to look at them memory issues that are
>> causing crashes and std::bad_alloc issues. I'm not looking forward to
>> this task because the problems seems to be intermitent and the fact that
>> is works in one setup does not mean that you have solved the problem. I
>> also think this is related to postgresql palloc usage and subtle issues
>> related to that.
>>
>> Thanks,
>>    -Steve
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