Remove 2048 Remove Operating System Remove Performance
article thumbnail

Tune Linux Kernel Parameters For PostgreSQL Optimization

Percona

For optimum performance, a PostgreSQL database depends on the operating system parameters being defined correctly. Poorly configured OS kernel parameters can cause degradation in database server performance. PostgreSQL uses System V (SysV) that requires SHMMAX setting. This results in improved performance.

Tuning 59
article thumbnail

SQL Server on Linux: Scatter/Gather == Vectored I/O

SQL Server According to Bob

Scatter/gather capabilities allow more efficient memory to disk transfers reducing redundant memory copies, sorting and other activities applications may require to gain improved I/O performance. On Linux the total number of buffers that can be read or written, in a single ABI request, is capped at 2048.

Servers 40
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

What are the best multi-browser testing tools?

Testsigma

To ensure the features run uniformly across various browsers and OS versions that our users have, we should perform multi-browser testing. Plus, there are multiple versions of operating systems and screen resolutions that our users browse content on. . with Safari at 8.87%. Picture Credit: Kinsta. Picture Credit: EndTest.

article thumbnail

SQL Server I/O Basics Chapter #2

SQL Server According to Bob

Subsystem / Path The ​​ I/O subsystem or path ​​ includes ​​ those ​​ components ​​ that are ​​ used to support an I/O operation.

Servers 40