August 2016
Intermediate to advanced
384 pages
9h 20m
Japanese
Content preview from Docker
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283
12.1 クラスタリングとオーケストレーションのツール
りをするのではなく、フレームワークとやりとりをすることになります。
図
12-4
は、スケジューラとして
Marathon
フレームワークを使っている
Mesos
クラスタです。
Marathon
スケジューラは、タスクを投入するアクティブな
Mesos
のマスターを、
ZooKeeper
を
使って見つけます。
Marathon
スケジューラと
Mesos
マスターは、どちらもアクティブなマスター
が利用できなくなった場合に動作し始めるスタンバイを持っています。
Mesos
マスター
ジョブ
調整と設定
Mesosエージェント
長時間にわたって動作し続けるタスク
Marathon
ZooKeeper
図
12-4
Mesos
クラスタ
通常、
ZooKeeper
は
Mesos
マスター及びそのスタンバイと同じホストで動作します。小規模な
クラスタでは、これらのホストではエージェントも動作することがありますが、大規模なクラスタ
ではマスターとの通信が必要になるので、この構成は利用しにくいでしょう。
Marathon
はも同じ
ホスト群で動作させることもできますが、ネットワークの境界で動作する別個のホスト上で動作さ
せることによって、クライアント用のアクセスポイントを構成し、それによってクライアントを
Mesos
クラスタそのものから分離させることもできます。
Marathon
（
https://mesosphere.github.io/marathon/
）は
Mesosphere
からリリースされて
おり、長期間にわたって動作し続ける ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.