Dynatrace
JULY 13, 2021
As organizations aim for faster delivery of value to their customers, the frequency of releases inevitably increases, which introduces risks and uncertainty into production systems—unless automated tests and quality gates can be leveraged to provide confidence. What are quality gates?
Dynatrace
MARCH 25, 2022
Like most IT professionals, Harikrishnan and the Parker team’s cybersecurity engineer Tom Hood have multiple requirements to manage, from implementing digital transformation and ensuring operational efficiency to securing IT systems. Unplanned system outages are costly, in both time and resources. Where is a user coming from?
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High Scalability
APRIL 3, 2019
PostgreSQL is an open source object-relational database system that has soared in popularity over the past 30 years from its active, loyal, and growing community. We found the answers at the Postgres Conference in March where we surveyed PostgreSQL users, contributors, and SQL and NoSQL database administrators alike.
The Morning Paper
NOVEMBER 8, 2020
USENIX is a nonprofit organisation committed to making content and research freely available – both conference proceedings and the recorded presentations of their events. Without in-person conferences this year, income is down and events are under threat. What Facebook needed, literally, was a plan to throw one away.
Brendan Gregg
SEPTEMBER 25, 2021
CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Microbenchmark os::javaTimeMillis() on both systems. Running this on the two systems saw similar results. Checking those available: $ cat /sys/devices/system/clocksource/clocksource0/available_clocksource. Try changing the kernel clocksource.
Adrian Cockcroft
JANUARY 20, 2023
on Myths and Legends of High Performance Computing — it’s a somewhat light-hearted look at some of the same issues by the leader of the team that built the Fugaku system I mention below. HPCG is led by Japan’s RIKEN Fugaku system at 16 petaflops, which is 3% of it’s peak capacity. Next generation architectures will use CXL3.0
Adrian Cockcroft
JUNE 21, 2022
Photo by Adrian I spent six years at Cambridge Consultants, building some interesting systems, managing our Sun workstations and learning a lot, but by then Sun had opened a sales office across the street, and I wanted to find out what they were going to release next, before everyone else.
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