Version 8.17.3 is unable to record the operation log of '_settings'

[luxiaodui]

Hi,

We are currently using version 8.17.3, but we noticed that when calling the /_settings API to set the refresh interval, no relevant operations are recorded in the ES logs. In previous versions, the ES logs would normally record the following information:[2025-08-20T10:15:30,456][INFO ][o.e.c.m.MetadataUpdateSettingsService] [node-1] updating settings for index [indexname] to [index.refresh_interval=-1]

We would like to confirm with you: has this log recording feature been removed in the higher version, or is there an issue with our calling method?

The calling method is as follows:

[JD_Armada]

@luxiaodui

Hi,

We are currently using version 8.17.3, but we noticed that when calling the /_settings API to set the refresh interval, no relevant operations are recorded in the ES logs. In previous versions, the ES logs would normally record the following information:[2025-08-20T10:15:30,456][INFO ][o.e.c.m.MetadataUpdateSettingsService] [node-1] updating settings for index [indexname] to [index.refresh_interval=-1]

We would like to confirm with you: has this log recording feature been removed in the higher version, or is there an issue with our calling method?

The calling method is as follows:

Hey @luxiaodui ,

Welcome back!

What version are you coming from?

In more recent versions, dynamic index settings like index.refresh_interval are logged by org.elasticsearch.common.settings.IndexScopedSettings instead of MetadataUpdateSettingsService. It also depends on which node you are checking the logs for as these logs are written on the elected master node only. Check your master node logs and make sure that the logging for IndexScopedSettings is enabled at INFO level.

Hope this helps!