37 lines
955 B
Plaintext
37 lines
955 B
Plaintext
[[misc-cluster]]
|
|
=== Miscellaneous cluster settings
|
|
|
|
[[cluster-read-only]]
|
|
==== Metadata
|
|
|
|
An entire cluster may be set to read-only with the following _dynamic_ setting:
|
|
|
|
`cluster.blocks.read_only`::
|
|
|
|
Make the whole cluster read only (indices do not accept write
|
|
operations), metadata is not allowed to be modified (create or delete
|
|
indices).
|
|
|
|
WARNING: Don't rely on this setting to prevent changes to your cluster. Any
|
|
user with access to the <<cluster-update-settings,cluster-update-settings>>
|
|
API can make the cluster read-write again.
|
|
|
|
|
|
[[cluster-logger]]
|
|
==== Logger
|
|
|
|
The settings which control logging can be updated dynamically with the
|
|
`logger.` prefix. For instance, to increase the logging level of the
|
|
`indices.recovery` module to `DEBUG`, issue this request:
|
|
|
|
[source,js]
|
|
-------------------------------
|
|
PUT /_cluster/settings
|
|
{
|
|
"transient": {
|
|
"logger.indices.recovery": "DEBUG"
|
|
}
|
|
}
|
|
-------------------------------
|
|
|