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Solr Metrics

The JMX Metric Gatherer provides built in Solr metric gathering capabilities. Details about using JMX with Solr can be found here: https://solr.apache.org/guide/6_6/using-jmx-with-solr.html

Metrics

Core Metrics

  • Name: solr.document.count

  • Description: The total number of indexed documents.

  • Unit: {documents}

  • Labels: core

  • Instrument Type: ObservableLongUpDownCounter

  • Name: solr.index.size

  • Description: The total index size.

  • Unit: by

  • Labels: core

  • Instrument Type: ObservableLongUpDownCounter

  • Name: solr.request.count

  • Description: The number of queries made.

  • Unit: {queries}

  • Labels: core, type, handler

  • Instrument Type: ObservableLongCounter

  • Name: solr.request.time.average

  • Description: The average time of a query, based on Solr's histogram configuration.

  • Unit: ms

  • Labels: core, type, handler

  • Instrument Type: ObservableDoubleValue

  • Name: solr.request.error.count

  • Description: The number of queries resulting in an error.

  • Unit: {queries}

  • Labels: core, type, handler

  • Instrument Type: ObservableLongCounter

  • Name: solr.request.timeout.count

  • Description: The number of queries resulting in a timeout.

  • Unit: {queries}

  • Labels: core, type, handler

  • Instrument Type: ObservableLongCounter

  • Name: solr.cache.eviction.count

  • Description: The number of evictions from a cache.

  • Unit: {evictions}

  • Labels: core, cache

  • Instrument Type: ObservableLongCounter

  • Name: solr.cache.hit.count

  • Description: The number of hits from a cache.

  • Unit: {hits}

  • Labels: core, cache

  • Instrument Type: ObservableLongCounter

  • Name: solr.cache.insert.count

  • Description: The number of inserts from a cache.

  • Unit: {inserts}

  • Labels: core, cache

  • Instrument Type: ObservableLongCounter

  • Name: solr.cache.lookup.count

  • Description: The number of lookups from a cache.

  • Unit: {lookups}

  • Labels: core, cache

  • Instrument Type: ObservableLongCounter

  • Name: solr.cache.size

  • Description: The size of the cache occupied in memory.

  • Unit: by

  • Labels: core, cache

  • Instrument Type: ObservableLongUpDownCounter