undefined | Better HN

0 pointsTylerE5mo ago0 comments

Step One of most disaster plans is not to create a second emergency.

0 comments

ronjakoi5mo ago

Or even just a microsecond emergency.

f5129cac5mo ago

Bravo

amelius5mo ago

But can't NTP server downtime cause a disaster?

Vosporos5mo ago

One (amongst many) NTP server going down creates less issues than an NTP server spreading wrong time.

macintux5mo ago

General rule of thumb: a misbehaving/slow server in any well-architected distributed system is vastly worse than a dead server.

1 more reply

PunchyHamster5mo ago

technically if you have 3 or more sources that would be caught; NTP protocol was designed for that eventuality

2 more replies

idiotsecant5mo ago

If your application is so critical that NTP timing loss causes disaster and your holdover fails in less than a day and you aren't generating your own via gps, you are incompetent, full stop

geerlingguy5mo ago

And if things are that critical, you might have other references besides just GPS...

1 more reply

j / k navigate · click thread line to collapse

0 comments

ronjakoi5mo ago

Or even just a microsecond emergency.

f5129cac5mo ago

Bravo

amelius5mo ago

But can't NTP server downtime cause a disaster?

Vosporos5mo ago

One (amongst many) NTP server going down creates less issues than an NTP server spreading wrong time.

macintux5mo ago

General rule of thumb: a misbehaving/slow server in any well-architected distributed system is vastly worse than a dead server.

1 more reply

PunchyHamster5mo ago

technically if you have 3 or more sources that would be caught; NTP protocol was designed for that eventuality

2 more replies

idiotsecant5mo ago

If your application is so critical that NTP timing loss causes disaster and your holdover fails in less than a day and you aren't generating your own via gps, you are incompetent, full stop

geerlingguy5mo ago

And if things are that critical, you might have other references besides just GPS...

1 more reply

j / k navigate · click thread line to collapse