This pull request proposes to change the Solr metrics collection default from true to false and to provide an option to override via -DmetricsEnabled=true on the command line.
for the spark-solr use case Solr metrics collection and metrics use may (and I'm speculating here) not be as common or useful as for a solr Solr use case
This pull request proposes to change the Solr metrics collection default from
truetofalseand to provide an option to override via-DmetricsEnabled=trueon the command line.for the spark-solr use case Solr metrics collection and metrics use may (and I'm speculating here) not be as common or useful as for a solr Solr use case
metrics collection can be disabled as documented at https://solr.apache.org/guide/8_8/metrics-reporting.html#disabling-the-metrics-collection
if metrics collection is disabled then as per https://github.com/apache/lucene-solr/blob/releases/lucene-solr/8.8.2/solr/core/src/java/org/apache/solr/core/CoreContainer.java#L752-L756 code snippet no
MetricsCollectorHandlerobject is createdfrom Apache Solr 8.9.0 onwards the
MetricsCollectorHandlerclass is deprecated as per https://solr.apache.org/docs/8_9_0/solr-core/org/apache/solr/handler/admin/MetricsCollectorHandler.html326 is separately re: upgrading from 8.8.2 to 8.9.0 version