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@@ -4,8 +4,8 @@
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Change specific index level settings in real time.
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The REST endpoint is `/_settings` (to update all indices) or
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-`{index}/_settings` to update one (or more) indices settings. The body
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-of the request includes the updated settings, for example:
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+`{index}/_settings` to update one (or more) indices settings.
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+The body of the request includes the updated settings, for example:
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[source,js]
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--------------------------------------------------
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@@ -21,6 +21,8 @@ PUT /twitter/_settings
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The list of per-index settings which can be updated dynamically on live
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indices can be found in <<index-modules>>.
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+To preserve existing settings from being updated, the `preserve_existing`
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+request parameter can be set to `true`.
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[float]
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[[bulk]]
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glefloch