Technologies/MySQL/mysql.performance.table_cache_misses
MySQLMySQLMetric

mysql.performance.table_cache_misses

The number of misses for open tables cache lookups.
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
The number of misses for open tables cache lookups.
Dimensions:None
Sources
mysql.performance.table_cache_missesgithub.com
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.

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