Collecting request handler metrics

How to enable the solr_request_handler_metrics_options parameter in dse.yaml and set options.

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:

Update handler statistics
Record core-specific direct update handler statistics over time.
Update handler statistics
Record core-specific direct update handler statistics over time.

All objects are disabled by default.

dse.yaml

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

Package installations	/etc/dse/dse.yaml
Tarball installations	`installation_location`/resources/dse/conf/dse.yaml

Procedure

Edit the dse.yaml file.

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
solr_request_handler_metrics_options:
    enabled: true
    ttl_seconds: 604800
    refresh_rate_ms: 60000

All objects are disabled by default.

Table 1. Options
Options	Determines
enabled	Whether the object is enabled at start up.
ttl_seconds	How many seconds a record survives before it is expired from the performance object.
refresh_rate_ms	Period (in milliseconds) between sample recordings for periodically updating statistics like the solr_result_cache_stats.