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Overview

A low-overhead O/S level event collector that generates events-compatible events. It is designed to run in background, collect times events and channel them (to files, over the network, etc.) It is capable of collecting memory, CPU, etc. usage statistics, as well as WildFly management domain model metrics.

os-stats User Manual

In-line help is available with:

os-stats --help

os-stats Metric Reference

os-stats Metric Reference

os-stats Development

GitHub

git clone git@github.com:NovaOrdis/os-stats.git

os-stats TODO

• Fix logging, get rid of:

NOMBP2:tmp ovidiu$ @Timer-0 18:37:22,052 INFO  [xnio] XNIO Version 3.0.15.GA-redhat-1
@Timer-0 18:37:22,058 INFO  [nio] XNIO NIO Implementation Version 3.0.15.GA-redhat-1
@Timer-0 18:37:22,080 INFO  [remoting] JBoss Remoting version 3.3.7.Final-redhat-1

• Disconnect the JBossCliMetricSource instances on os-stats shutdown.
• Support for password externalization. Then update Os-stats_Metric_Reference#JBoss_CLI_Metrics with details.
• Warn if the collection time takes so long that it interferes with sampling interval length. Tests.
• Implement os-stats --help metrics that introspects and displays the list of built-in metrics.
• Current OSBase.execute() implementation is naive, implement it correctly.
• Integrate the functionality and get rid of https://github.com/NovaOrdis/shell-tools/blob/master/jboss-os-memory-stats.sh