Apache TomcatMetrictomcat_max_time
The longest request processing time (in milliseconds).Dimensions:None
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Datadog (1)
Datadog (1)Interface Metrics (1)
Sources
Knowledge Base (2 documents, 0 chunks)
documentationApache Tomcat 9 (9.0.115) - Monitoring and Managing Tomcat2318 wordsscore: 0.75Official Apache Tomcat documentation covering monitoring and management capabilities through JMX (Java Management Extensions). The page focuses on enabling JMX remote access and using JMX Ant tasks to query and manage Tomcat MBeans, including configuration of authentication, SSL/TLS, and firewall settings.
troubleshootingjava - Tomcat processing time and time in the queue - Stack Overflow864 wordsscore: 0.72Stack Overflow discussion about Tomcat processing time measurements and discrepancies between JMX metrics and actual client-observed latency. The thread explains that Tomcat's processingTime metric does not account for queue waiting time when all threads are busy, which can lead to significant differences between reported metrics and real user experience.
Related Insights (2)
Thread Pool Exhaustioncritical
When active threads approach maximum threads, Tomcat cannot accept new requests, causing HTTP 503 errors and increased latency. This often manifests during traffic spikes or slow request processing.
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Request Processing Time Anomalies Indicating Code Issueswarning
Sudden spikes in tomcat_max_time or tomcat_servlet_max_time that don't correlate with increased traffic suggest inefficient code, slow external dependencies, or infrastructure issues affecting specific request paths.
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