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[question] How to set pod anti affinity to ensure high availability? #371

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runkecheng opened this issue Jan 18, 2022 · 0 comments
Open

[question] How to set pod anti affinity to ensure high availability? #371

runkecheng opened this issue Jan 18, 2022 · 0 comments
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@runkecheng @molliezhang
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General Question

How to set pod anti affinity?

It is necessary to ensure that the database node is scheduled in different workers, you can refer to the following configuration of the anti-affinity of POD.

podPolicy:
    ...
  affinity: 
    podAntiAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      - labelSelector:
          matchExpressions:
          - key: mysql.radondb.com/cluster
                operator: In
                values:
                - sample 
            topologyKey: "kubernetes.io/hostname"
@runkecheng runkecheng added the question Further information is requested label Jan 18, 2022
@runkecheng runkecheng added this to the Next milestone Jan 18, 2022
@runkecheng runkecheng added the Q&A Common problems and answers. label Jan 19, 2022
runkecheng added a commit to runkecheng/radondb-mysql-kubernetes that referenced this issue Feb 28, 2022
@runkecheng
sample: add antiaffinity to default sample yaml. radondb#371
f239ae4
@runkecheng runkecheng mentioned this issue Feb 28, 2022
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runkecheng added a commit to runkecheng/radondb-mysql-kubernetes that referenced this issue Mar 7, 2022
@runkecheng
sample: add antiaffinity to default sample yaml. radondb#371
2e5d512
runkecheng added a commit to runkecheng/radondb-mysql-kubernetes that referenced this issue Mar 14, 2022
@runkecheng
sample: add antiaffinity to default sample yaml. radondb#371
00f2d3a
andyli029 added a commit that referenced this issue Mar 17, 2022
@andyli029
Merge pull request #393 from runkecheng/add_pod_antiaffinity_to_sample
4b5bc33 
config: Add podAntiAffinity to default sample yaml. #371
zhl003 pushed a commit to zhl003/radondb-mysql-kubernetes that referenced this issue Aug 17, 2022
@runkecheng
sample: add antiaffinity to default sample yaml. radondb#371
7aa9215
zhl003 pushed a commit to zhl003/radondb-mysql-kubernetes that referenced this issue Aug 17, 2022
@andyli029
Merge pull request radondb#393 from runkecheng/add_pod_antiaffinity_t…
d98bdac 
…o_sample

config: Add podAntiAffinity to default sample yaml. radondb#371
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@molliezhang molliezhang

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