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Merge pull request #12728 from jasontedor/docs/12727 

Explain which nodes participate in master election
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Jason Tedor 2015-08-07 18:18:54 -04:00
parent 47422bb01c c9d4d40169
commit dff52ed5bb
1 changed files with 6 additions and 0 deletions
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6
docs/reference/modules/discovery/zen.asciidoc
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@ -82,6 +82,12 @@ serves as a protection against (partial) network failures where node may unjustl
think that the master has failed. In this case the node will simply hear from think that the master has failed. In this case the node will simply hear from
other nodes about the currently active master. other nodes about the currently active master.
If `discovery.zen.master_election.filter_client` is `true`, pings from client nodes (nodes where `node.client` is
`true`, or both `node.data` and `node.master` are `false`) are ignored during master election; the default value is
`true`. If `discovery.zen.master_election.filter_data` is `true`, pings from non-master-eligible data nodes (nodes
where `node.data` is `true` and `node.master` is `false`) are ignored during master election; the default value is
`false`. Pings from master-eligible nodes are always observed during master election.
Nodes can be excluded from becoming a master by setting `node.master` to Nodes can be excluded from becoming a master by setting `node.master` to
`false`. Note, once a node is a client node (`node.client` set to `false`. Note, once a node is a client node (`node.client` set to
`true`), it will not be allowed to become a master (`node.master` is `true`), it will not be allowed to become a master (`node.master` is