Apache SolrMetricsolr_search_handler_request_times_99percentile
Request processing time in milliseconds (99percentile).Dimensions:None
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other[SOLR-1972] Need additional query stats in admin interface - median, 95th and 99th percentile - ASF Jira464 wordsscore: 0.75This is a JIRA issue tracking the implementation of enhanced query statistics in Apache Solr's admin interface, specifically adding percentile metrics (median, 95th, 99th percentile) for request times. The issue was resolved in Solr 4.1/6.0 and led to the integration of the Metrics library for more comprehensive performance monitoring.
troubleshootingjava - Solr search query time increases as the start keeps on increasing - Stack Overflow744 wordsscore: 0.65A Stack Overflow discussion about Solr query performance degradation with deep paging (high start values). The thread addresses the 'Deep Paging' problem where query response times increase significantly when retrieving results with high offset values (e.g., start=100000), and suggests solutions including filter queries and Solr 4.7+ cursor-based pagination.
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Deep Pagination Memory Explosioncritical
Queries with large 'start' parameters (deep pagination) or requesting excessive rows force Solr to allocate memory for all results up to that offset, causing unexpected memory exhaustion even for simple queries.
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