Percona

DECEMBER 20, 2023

Modern servers operate with terabytes of RAM, and by default, processors work with virtual memory address translation for each 4KB page. OS maintains a huge list of allocated and free pages to make slow but reliable address translation from virtual to physical. Huge pages make PostgreSQL faster; can we implement it in Kubernetes?

C++ 120

C++ Virtualization Benchmarking Database 120

Percona

OCTOBER 2, 2023

virtual = 2.2G virtual = 2.2G 2004l# Percona Toolkit System Summary Report ###################### Date | 2023-09-25 14:43:34 UTC (local TZ: CDT -0500) Hostname | testbox Uptime | 44 min, 1 user, load average: 0.47, 0.67, 0.57 Platform | Linux Release | Ubuntu 22.04.3 LTS (jammy) Kernel | 6.2.0-33-generic Shared | 475.0M Buffers | 3.8G

Cache 114

Cache Database Virtualization Servers 114

Testsigma

AUGUST 12, 2021

Remote execution: With TestComplete’s TestExecute, we can execute our tests on a cloud, a virtual machine, or a local machine. On BrowserStack, we can also choose a resolution that we’d like to test on, for instance, 800×600 to 2048×1536. Everything can be accessed from any geographical location. Source: BrowserStack.

Testing 102

Testing Testing Tools Mobile Cloud 102

HammerDB

SEPTEMBER 24, 2024

To use pgSentinel we have installed pg_stat_statements and pgsentinel and added the following to our postgresql.conf. and start the build running. and start the build running.

Benchmarking 68

Benchmarking Performance Metrics Database 68

HammerDB

NOVEMBER 22, 2021

shared_preload_libraries = 'pg_stat_statements,pgsentinel' track_activity_query_size=2048 pg_stat_statements.save=on pg_stat_statements.track=all pgsentinel_pgssh.enable = true pgsentinel_ash.pull_frequency = 1 pgsentinel_ash.max_entries = 1000000. The example shows a TPROC-C workload running with 4 Active Virtual Users. pgsentinel.c

Metrics 63

Metrics Benchmarking C++ Database 63

Testsigma

MAY 5, 2021

Plus, it’s a cloud-based testing platform that supports testing on both real devices and virtual devices. Price : $29 upwards monthly, when billed annually. EndTest: EndTest is a scriptless testing tool that supports end-to-end web and mobile testing.

Testing Tools 74

Testing Tools Testing Internet Internet 74

Brendan Gregg

AUGUST 18, 2019

bpftrace uses BPF (Berkeley Packet Filter), an in-kernel execution engine that processes a virtual instruction set. In this post I'll summarize the bpftrace language, variable types, probes, and tools.

Latency 57

Latency C++ Cache Programming 57