Technologies/MySQL/mysql.performance.qcache_lowmem_prunes
MySQLMySQLMetric

mysql.performance.qcache_lowmem_prunes

The number of queries that were deleted from the query cache because of low memory.
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
The number of queries that were deleted from the query cache because of low memory.
Dimensions:None
Sources
mysql.performance.qcache_lowmem_prunesgithub.com
Related Insights (1)
Query Cache Thrashing (Legacy)info

Query cache experiencing high invalidation rate, causing more overhead than benefit. Frequent table updates invalidate cached queries, leading to cache thrashing. Note: Query cache is deprecated in MySQL 5.7.20 and removed in MySQL 8.0.

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