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add node.client breaking changes to migrate guide

This commit is contained in:
javanna 2016-03-29 20:33:59 +02:00 committed by Luca Cavanna
parent 061f09d9a4
commit ae34c20a62
3 changed files with 28 additions and 0 deletions
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7
docs/reference/migration/migrate_5_0/cat.asciidoc
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@ -31,3 +31,10 @@ Additionally, the field `translog` has been renamed to
`translog_ops_percent`. The short aliases for these fields are `tor`,
`to`, and `top`, respectively.
==== Changes to cat nodes API
The cat nodes endpoint returns `m` for master eligible, `d` for data,
and `i` for ingest. A node with no explicit roles will be a coordinating
only node and marked with `-`. A node can have multiple roles. The
master column has been adapted to return only whether a node is the
current master (`*`) or not (`-`).

15
docs/reference/migration/migrate_5_0/rest.asciidoc
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@ -20,3 +20,18 @@ The `GET` HTTP verb for `/_forcemerge` is no longer supported, please use the
The `mem` section contained only one value, the total memory available
throughout all nodes in the cluster. The section was removed as it didn't
prove useful.
==== Revised node roles aggregate returned by `/_cluster/stats`
The `client`, `master_only`, `data_only` and `master_data` fields have been
removed in favor of `master`, `data`, `ingest` and `coordinating_only`. A
node can contribute to multiple counts as it can have multiple roles. Every
node is implicitly a coordinating node, so whenever a node has no explicit
roles, it will be counted as coordinating only.
==== Node roles are not part of node attributes anymore
Node roles are now returned in a specific section, called `roles`, as part of
nodes stats and nodes info response. The new section is an array that holds all
the different roles that each node fulfills. In case the array is returned
empty, that means that the node is a coordinating only node.

6
docs/reference/migration/migrate_5_0/settings.asciidoc
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@ -26,6 +26,12 @@ should be used instead.
The `name` setting has been removed and is replaced by `node.name`. Usage of
`-Dname=some_node_name` is not supported anymore.
==== Node types settings
The `node.client` setting has been removed. A node with such a setting set will not
start up. Instead, each node role needs to be set separately using the existing
`node.master`, `node.data` and `node.ingest` supported static settings.
==== Gateway settings
The `gateway.format` setting for configuring global and index state serialization