April 2024
Intermediate to advanced
368 pages
9h 54m
Japanese
Content preview from つくって、壊して、直して学ぶ Kubernetes入門
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Chapter
7
Part
2
Kubernetes
242
7.3.4
Taint
と
Toleration
Taint
と
Toleration
はそれぞれ対になる概念です。
Taint
は
Node
に付与する設定で、
Toleration
は
Pod
に付与する設定です。
Taint
は「汚れ」、
Toleration
は「寛容」と訳します。
Node
に付いている
Taint
（汚れ）を
Pod
が許容できるかどうか、といった設定の考え方になり
ます。
Node affinity
では「ある
Pod
をどういう
Node
にスケジュールしたいか」という指定方法で
したが、
Taint/Toleration
は「ある
Node
が特定の
Pod
しかスケジュールしたくない（とくに指
定のない
Pod
はスケジュールを拒否したい）」といった指定方法になります。
Node
に
Taint
をつける場合は、次の方法で付けられます（マニフェストで指定する方法はク
ラウドプロバイダなどによって方法が変わるため、ここでは割愛します）。
Chapter
7
Part
2
Kubernetes
243
kubectl taint nodes <
対象ノード名
> <label
名
>=<label
の値
>:<Taint
の効果
>
例えば、次のように
Taint
を付けたとしましょう。
kubectl taint nodes ...
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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.
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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.