[ZWeb] DNS still fishy?
jens at dataflake.org
Thu Oct 12 12:16:24 EDT 2006
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On 12 Oct 2006, at 10:05, Lennart Regebro wrote:
> But honestly, compare the likelyhood that all three of these would
> fail at one time, together with the increasing likelyhood than one
> server of them is misconfigured and starts disturbing the usage for a
> minor part of the users, then we will quickly realize that the more
> backups and failsafes we have the larger the likelyhood that something
> of this will go wrong.
> 8 servers seems to be to be a complete overkill, and it will only
> cause problems. I will change my mind on this the time all zone-edit
> servers stop working at the same time as two of the backups fail.
> Don't overcomplicate things. It just makes them fail.
We are not building a carrier-grade solution here because, as the
programmer idiom goes, it is YAGNI (you ain't gonna need it).
Keeping a carrier-grade solution running correctly is always more
effort than keeping the simple solution up. There's a diminishing
return between upkeep/effort/maintenance/script-writing and "oops,
DNS is gone for an hour". I seriously don't see the added value.
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