Collecting request handler metrics

Steps to enable the solr_request_handler_metrics_options parameter in dse.yaml and set the other options as required. The solr_request_handler_metrics_options object records core-specific direct and request update handler statistics over time.

The following diagnostic tables collect handler metrics:

All objects are disabled by default.

Where is the dse.yaml file?

The location of the dse.yaml file depends on the type of installation:

Installation Type Location

Package installations + Installer-Services installations


Tarball installations + Installer-No Services installations



  1. Edit the dse.yaml file.

  2. In the dse.yaml file, under the solr_request_handler_metrics_options parameter, change enabled to true and set the other options as required.

    # Solr request handler metrics options
        enabled: true
        ttl_seconds: 604800
        refresh_rate_ms: 60000

    All objects are disabled by default.

    Options Determines


    Whether the object is enabled at start up.


    How many seconds a record survives before it is expired from the performance object.


    Period (in milliseconds) between sample recordings for periodically updating statistics like the solr_result_cache_stats.

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