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# ground-zero module
use cluster module to spawn workers
then have the `master` subscribe to [SIGHUP](http://nodejs.org/api/process.html#process_signal_events)
then when this event fires `master` sho…
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```
No restart needed for code changes to the app layer
```
Original issue reported on code.google.com by `gattis` on 19 Oct 2009 at 4:53
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Add new mode:
1. Start a new instance of a parser in backup mode;
2. Stop, upgrade and start the main instance of the parser;
3. Stop instance working in backup mode;
4. Restore data from backups.
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Make it so most deploys require no downtime.
The basic idea is to insert an AWS ALB in front of the server and then have a deploy consist of spinning up a new mb2 container, where the first thing t…
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# 달록 무중단 배포 도입기
이 글은 우테코 달록팀 크루 파랑이 작성했습니다. 무중단 배포 도입 이유 달록의 기존 배포 스크립트는 이렇습니다. 여기서 2 → 3의 과정, 구동중인 애플리케이션을 종료하고 새로 실행하는 과정에서 서비스가 중단됩니다. 저희 서비스의 중단 시간을 측
[https://dallog.github.io/zero-downtime-dep…
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My applications currently do not have downtime but that's because I am lucky. I have a small userbase. If database tables are large, these migrations are difficult to do.
I am also working to perf…
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# Zero downtime Istio upgrade test
## Set environment variable for your cluster domain
You must run this test against a production like Gardener cluster:
```sh
export DOMAIN_TO_EXPOSE_WORKLOAD…
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The `Dual` deployment mode still incurs downtime while the old job is savepointed and then restored onto the new cluster. Some jobs can tolerate having more than one job instance running concurrently.…
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I've had to roll-back my attempt at blue-green deploys.
The steps given in this document simply do not achieve the desired effect.
Desired effect:
* The current version of the site will be se…
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As the Owners of the Platform,
We need to understand what the options are for near no-downtime/sharded upgrades of our tools,
So that there is near zero disruptions (in the form of downtime) of the P…