Dynatrace

MAY 3, 2022

First, the company uses synthetic monitoring to develop user experience benchmarks and determine if applications are performing within expected thresholds. As traffic picks up, Real User Monitoring detects HTTP and JavaScript errors, while Session Replay adds experience and error validation to help drive remediation. DEM in action.

Mobile 164

Mobile Monitoring Benchmarking Best Practices 164

Brendan Gregg

SEPTEMBER 25, 2021

Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. include <sys/time.h>

Speed 126

Speed Java AWS Virtualization 126

Brendan Gregg

SEPTEMBER 25, 2021

Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. Running this on the two systems saw similar results.

Speed 52

Speed Java AWS Virtualization 52

Brendan Gregg

SEPTEMBER 25, 2021

Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. include <sys/time.h>

Speed 40

Speed Java AWS Virtualization 40