Brendan Gregg

OCTOBER 8, 2018

Syscall count by program bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }'. bcc is powerful but laborious to program. Internally, bpftrace uses a lex/yacc parser to convert programs to AST, then llvm IR actions, then BPF. in 2004, so I have to think back to that time to understand it.

C++ 110

C++ Virtualization Programming Latency 110

Brendan Gregg

OCTOBER 7, 2018

Syscall count by program bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }'. bcc is powerful but laborious to program. Internally, bpftrace uses a lex/yacc parser to convert programs to AST, then llvm IR actions, then BPF. in 2004, so I have to think back to that time to understand it.

C++ 40

C++ Virtualization Programming Latency 40

O'Reilly

OCTOBER 11, 2022

Selenium , the first tool for automated browser testing (2004), could be programmed to find fields on a web page, click on them or insert text, click “submit,” scrape the resulting web page, and collect results. But the gain in efficiency would be relatively small. Automating this process is simple. Is retraining needed?

Games 116

Games Healthcare Processing Retail 116

SQL Server According to Bob

JANUARY 11, 2020

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. © ​​ 2004 Microsoft Corporation. ​​ All rights reserved.

Servers 40

Servers Cache Media Hardware 40

SQL Server According to Bob

JANUARY 11, 2020

KB ​​ boundaries efficiently. ​​ Although ​​ SQL Server ​​ tries ​​ to use the log space as efficiently as possible, ​​ certain application patterns cause the log-block fill percentages to remain small. ​​ This creates 8?KB

Servers 40

Servers Cache Database Media 40