7f16a1d9a7
In 5.0 we don't allow index settings to be specified on the node level ie. in yaml files or via commandline argument. This can cause problems during upgrade if this was used extensively. For instance if analyzers where specified on a node level this might cause the index to be closed when imported (see #17187). In such a case all indices relying on this must be updated via `PUT /${index}/_settings`. Yet, this API has slightly different semantics since it overrides existing settings. To make this less painful this change adds a `preserve_existing` parameter on that API to ensure we have the same semantics as if the setting was applied on the node level. This change also adds a better error message and a change to the migration guide to ensure upgrades are smooth if index settings are specified on the node level. If a index setting is detected this change fails the node startup and prints a message like this: ``` ************************************************************************************* Found index level settings on node level configuration. Since elasticsearch 5.x index level settings can NOT be set on the nodes configuration like the elasticsearch.yaml, in system properties or command line arguments.In order to upgrade all indices the settings must be updated via the /${index}/_settings API. Unless all settings are dynamic all indices must be closed in order to apply the upgradeIndices created in the future should use index templates to set default values. Please ensure all required values are updated on all indices by executing: curl -XPUT 'http://localhost:9200/_all/_settings?preserve_existing=true' -d '{ "index.number_of_shards" : "1", "index.query.default_field" : "main_field", "index.translog.durability" : "async", "index.ttl.disable_purge" : "true" }' ************************************************************************************* ``` |
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| .. | ||
| allocation.asciidoc | ||
| cat.asciidoc | ||
| index-apis.asciidoc | ||
| java.asciidoc | ||
| mapping.asciidoc | ||
| packaging.asciidoc | ||
| percolator.asciidoc | ||
| plugins.asciidoc | ||
| rest.asciidoc | ||
| search.asciidoc | ||
| settings.asciidoc | ||