Technologies/MySQL/mysql.performance.table_cache_hits
MySQLMySQLMetric

mysql.performance.table_cache_hits

The number of hits for open tables cache lookups.
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
The number of hits for open tables cache lookups.
Dimensions:None
Related Insights (1)
Open Table Cache Thrashinginfo

Table cache insufficient for working set, causing frequent table opens/closes. High table cache miss rate degrades performance as MySQL repeatedly opens/closes table files, consuming CPU and causing latency spikes.