August 2016
Intermediate to advanced
384 pages
9h 20m
Japanese
Content preview from Docker
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288
12 章 オーケストレーション、クラスタリング、管理
]
}
},
"cpus": 0.1,
❹
"mem": 120.0,
"instances": 1,
❺
"constraints": [["hostname", "CLUSTER", "192.168.99.100"]]
❻
}
❶
ここでは、ユーザーが提供している
mesos-dns
のビルドを使っています。これは、自動的に
設定を環境変数から読み取ってくれます。本書の執筆時点では、
mesosphere/mesos-dns
イメー
ジはこの機能をサポートしていません。
❷
今回も、効率のためにホストのネットワーキングを使うのが妥当でしょう。とはいえ、ブリッ
ジネットワークを使い、
53
番ポートを公開することもできます。
❸
mesos-dns
を設定するために、環境変数を設定します。これには、イメージを起動するのに
使われる
docker run
コマンドにフラグを追加する
parameter
オプションを使います。
IP
アド
レスの
192.168.99.100
は、読者のクラスタの
mesos-1
のアドレスに置き換えてください。
❹
すべてのタスクは、実行に必要なリソースを定義しなければなりません。ここでは、
CPU
リ
ソースを
"0.1"
と、
120MB
のメモリを要求しています。
❺
このテストでは、
mesos-dns
に必要なインスタンスは
1
つだけです。
❻
mesos-1
の
IP
でホスト名の制約を指定することによって、
mesos-dns
を
mesos-1
に固定します。 ...
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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.