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++ 103

C++ Virtualization Benchmarking Database 103

HammerDB

NOVEMBER 22, 2021

usr/bin/install -c -m 644./pg_stat_statements--1.4.sql./pg_stat_statements--1.8--1.9.sql./pg_stat_statements--1.7--1.8.sql./pg_stat_statements--1.6--1.7.sql./pg_stat_statements--1.5--1.6.sql./pg_stat_statements--1.4--1.5.sql. include/internal -D_GNU_SOURCE -c -o pgsentinel.o /src/port -L././src/common lib',--enable-new-dtags -lm./postgresql-14.1/contrib/pg_stat_statements$

Metrics 62

Metrics Benchmarking C++ Database 62

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 104

Cache Database Virtualization Servers 104

Brendan Gregg

AUGUST 18, 2019

C @ns: [256, 512) 10900 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ | [512, 1k) 18291 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@| [1k, 2k) 4998 |@@@@@@@@@@@@@@ | [2k, 4k) 57 | | [4k, 8k) 117 | | [8k, 16k) 48 | | [16k, 32k) 109 | | [32k, 64k) 3 | |. Hit Ctrl-C to end. ^C Attaching 2 probes. ^C 1 /* 2 * biolatency.bt Attaching 3 probes.

Latency 57

Latency C++ Cache Programming 57

SQL Server According to Bob

JANUARY 11, 2020

Character POS ASCII Value Formula Value A 1 65 67 C 2 67 69 Checksum 136 Comparing ​​ the checksum values indicates ​​ that the values do not match and ​​ damage ​​ has occurred to the data. ​​ The following table outlines the virtual protection states.

Servers 40

Servers Cache Database Media 40