[Jenkins-infra] Datadog - Action Required - DST
aheritier at gmail.com
Fri Oct 30 21:39:39 UTC 2015
Spinash and cucumber aren't yet on 5.5.2. Is it a problem ? It seems that
our servers are using EDT TZ thus it has DST
On Fri, Oct 30, 2015 at 5:21 PM, Datadog Support <support at datadoghq.com>
> /If your servers' clock are set to UTC or to a timezone without DST, you
> can ignore this message./
> If your servers' clock are set to DST, you should:
> - *upgrade* ( https://app.datadoghq.com/account/settings#agent ) the
> Agent to v5.5.2 *before Sunday 01:59AM*
> - or *plan to restart* the Agent at 01:01 local time (*after DST change*)
> to avoid seeing delays of 1 hour in your graphs at that time and receiving
> spurious "no-data" alerts.
> *Impact of the DST bug*
> If the server's clock is set to DST (instead of UTC), the Agent will
> collect *but not send metrics* on Sunday Nov 1st early morning at 2AM, for
> 1 hour.
> As a result you may see:
> Missing data in your graphs for that one hour
> Spurious alerts due to Agents not reporting.
> *How to avoid this issue if your servers run in DST*
> The simplest way is to upgrade the Agent to 5.5.2 before this Sunday
> (Change log:
> If you can't upgrade in time, plan to restart the Agent shortly after the
> daylight savings change (i.e. at 01:01 local time). Be aware that there
> will be 2 minutes when it's 01:01 local time that night, 60 minutes apart.
> Pick the "second" one, after the DST change.
> *How to tell whether your servers are affected*
> If you are using Linux/Unix, simply run "date" on your servers. If they
> read "Sat Oct 31 22:00:56 UTC 2015", your servers are not affected. If they
> read something like "Sat Oct 31 18:09:09 EDT 2015" they are affected.
> On Windows, simply look at the time in the task bar.
> If you have any questions or concerns please don't hesitate to reach out
> to us at support at datadoghq.com - sorry for the inconvenience.
> Datadog Support
> support at datadoghq.com
Mail/GTalk: aheritier AT gmail DOT com
Twitter/Skype : aheritier
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