[Osmf-talk] API up after maint. was: Two day of down server is not possible !!!!

Shaun McDonald shaun at shaunmcdonald.me.uk
Sun Aug 23 23:59:52 UTC 2009


On 23 Aug 2009, at 22:59, Richard Weait wrote:

> On Sun, Aug 23, 2009 at 5:45 PM, Andrew Turner<andrew at highearthorbit.com 
> > wrote:
>> On Sun, Aug 23, 2009 at 4:11 PM, Frederik Ramm<frederik at remote.org>  
>> wrote:
>>> We could work on educating the public so that the expectation is  
>>> removed,
>>> rather than do what the mainstream expects from us.
>>>
>>> I'm not totally against what you're suggesting but I sense some  
>>> "slippery
>>> slope" here; maybe it is time to get the message across more  
>>> clearly that we
>>> are not in anyway a Google Maps replacement and if people expect  
>>> this from
>>> us they should change their expectations. (Because they'll be  
>>> "expecting"
>>> routing, and aerial imagery, and "MyMap" features, and all that in  
>>> no time
>>> if we don't set the record straight.)
>>
>> Any project has a difficult transition moving from a hacking concept
>> into a widely used and publicly visible project. If there is actually
>> going to be perceived stability and maturity, then yes, OSM will have
>> to act in a way that the public expects it to.
>
> Selfishly, I'd like to have the option to keep editing if one of many
> OSMWorldWide(tm) nodes is down.  Frankly I was in no danger of editing
> yesterday; there was map cake to consume.[1]
>
> Do geographically diverse, multiple data centers make our continued
> growth easier?  Or is DB replication / mirroring / db-magic just so
> hard that five OSM data centers would be slower than one?
>
> Naively, I presume that if OSM had, say five equally capable data
> centers[2], and one was down for power upgrades like UCL this weekend,
> that Smart Things could happen to keep everything running, even if at
> reduced capacity.

Syncing the underlying database is a really hard problem to get right  
that causes much more server maintenance, hence why it has not been  
done yet.

Shaun

>
> [1] http://weait.com/content/openstreetmap-5th-birthday-party-toronto
> [2] presuming that there are five places that would be interested and
> capable of hosting OSMWorldWide(tm)/5
>
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