Dynatrace

JANUARY 16, 2023

The strongest Kubernetes growth areas are security, databases, and CI/CD technologies. Java, Go, and Node.js Accordingly, the remaining 27% of clusters are self-managed by the customer on cloud virtual machines. In comparison, on-premises clusters have more and larger nodes: on average, 9 nodes with 32 to 64 GB of memory.

Open Source 340

Open Source Java Operating System Programming 340

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. top(1) showed that only the Cassandra database was consuming CPU. This is how Java flame graphs looked at the time.

Speed 126

Speed Java AWS Virtualization 126

Dynatrace

APRIL 21, 2022

Getting precise root cause analysis when dealing with several layers of virtualization in a containerized world. In comparison, the Dynatrace platform reliably takes that burden off human operators by utilizing its causation-based AI engine, Davis. Too much data requested from a database. Missing caching layers.

Azure 184

Azure Monitoring Virtualization Metrics 184

Dynatrace

DECEMBER 2, 2021

Sometimes the Python virtual machine crashes. Settings > Anomaly detection > Database services. Log queries using comparison operators like `<` and `>` are now correctly rejected as unsupported. (APM-329649). Extension logs display errors. Extension-specific advisory. APM-334052). APM-333006). APM-329649).

Lambda 190

Lambda Azure Metrics Monitoring 190

HammerDB

JUNE 27, 2022

HammerDB is a software application for database benchmarking. It enables the user to measure database performance and make comparative judgements about database hardware and software. Databases are highly sophisticated software, and to design and run a fair benchmark workload is a complex undertaking. The HammerDB name.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Dynatrace

MAY 28, 2020

If you have a distributed environment with multiple servers hosting your webservers, app servers, and database, I suggest you install the OneAgent on all these servers to get full end-to-end visibility. This will enable deep monitoring of those Java,NET, Node, processes as well as your web servers.

Engineering 189

Engineering Performance Metrics Best Practices 189

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. top(1) showed that only the Cassandra database was consuming CPU. This is how Java flame graphs looked at the time.

Speed 52

Speed Java AWS Virtualization 52