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++ 101

C++ Virtualization Benchmarking Database 101

Percona

OCTOBER 2, 2023

Installation is easy with the software comes in popular package formats. virtual = 2.2G mm_perc+ # Notable Processes ########################################## PID OOM COMMAND ? virtual = 2.2G mm_perc+ # Notable Processes ########################################## PID OOM COMMAND ? virtual = 2.2G

Cache 101

Cache Database Virtualization Servers 101

Brendan Gregg

AUGUST 18, 2019

bpftrace is a new open source tracer for Linux for analyzing production performance problems and troubleshooting software. bpftrace uses BPF (Berkeley Packet Filter), an in-kernel execution engine that processes a virtual instruction set. software Kernel software-based events. pid process ID.

Latency 68

Latency C++ Cache Programming 68

SQL Server According to Bob

JANUARY 11, 2020

DBCC Page Auditing DBCC page auditing is the process of executing common DBCC consistency checks as pages are read from disk. ​​ Obtain assistance from your I/O vendor ​​ if you ​​ encounter retries. ​​ Remote mirroring captures writes and duplicates them ​​ remotely.

Servers 40

Servers Cache Database Media 40