IBM System Blue Gene Solution: Blue Gene/Q System Administration

Get full access to IBM System Blue Gene Solution: Blue Gene/Q System Administration and 60K+ other titles, with a free 10-day trial of O'Reilly.

There are also live events, courses curated by job role, and more.

Start your free trial

Logging

Control System logs diagnose software, hardware, and configuration problems. This chapter provides information about Apache log4j and log4cxx, log file format, log merge utility, log configuration, and log rotation.

20.1 Apache log4j and log4cxx

The Blue Gene/Q Control System programs use an open source library based on Apache log4j for logging.The Apache log4j design provides a large number of features and offers a great deal of customizability. The library can be configured dynamically and includes a facility for initializing the library ...

Get IBM System Blue Gene Solution: Blue Gene/Q System Administration now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial

Don’t leave empty-handed

Get Mark Richards’s Software Architecture Patterns ebook to better understand how to design components—and how they should interact.

It’s yours, free.

Get it now

Check it out now on O’Reilly

Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.

Start your free trial Become a member now