Submitted by MCA Admin 1 on 3 May, 2012 - 00:15
MCA Tips Feed. Java tracing tools are not as dynamic, unobtrusive, and feature-rich as DTrace. However, by combining Java Statically Designed Tracing (JSDT) and BTrace, you can insert DTrace probes into a Java application running on Oracle Solaris and trace the application as you would trace a Solaris application running DTrace.
Direct link: http://www.oracle.com/technetwork/articles/servers-storage-dev/java-trac...
Submitted by MCA Admin 1 on 28 April, 2012 - 00:13
MCA Tips Feed. If you are not getting the performance you expect from your ZFS filesystem, I/O may be the culprit. To help, ZFS provides the Adaptive Replacement Cache, or ARC. But do you know how well the ARC is working? You will if you analyze it with DTrace probes. Brendan Gregg describes how.
Direct link: http://dtrace.org/blogs/brendan/2012/01/09/activity-of-the-zfs-arc/
