This tool generates a monitor report with charts from miscellaneous log files:
JVM Garbage collector logging (gc.log)
Java Virtual Machine logging (jvm.log)
JBoss threads logging (webthreads.log)
NuxeoDS Data source usage (nuxeo-ds.log)
jmxstat output (jmxstat.log)
Sysstat sar logging, cpu and disk activity (sysstat-sar.log)
PostgreSQL logs (pgsql.log)
PostgreSQL vacuum output (vacuum.log)
View a report example.
Requirements
python
python-docutils
gnuplot >= 4.2 (with png support)
sysstat sar, same version used during the monitor.
pgFouine for PostgreSQL log and vacuum analysis
On Debian:
sudo aptitude install gnuplot sysstat python-docutils pgfouine
Usage
The logchart.py tool expects that all the logs are in the same directory and produce a detail report:
logchart.py [options] LOG_PATH REPORT_PATH
The hudson.sh scripts can be used from an hudson job to scan other jobs and produces logchart monitor reports.
How to setup monitoring on jboss/tomcat
The Nuxeo monitorctl.sh script generates all the logs.
Here are some details on how to do it by hand.
Garbage collector monitoriing
Using the jvm verbose:gc option:
JAVA_OPTS="$JAVA_OPTS -Xloggc:$JBOSS_HOME/server/default/log/gc.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps"
Disk and systeme monitoring
Using sysstat sar utility, just run something like:
sar -d -o $JBOSS_HOME/server/default/log/sysstat-sar.log 5 720 >/dev/null 2>&1 &
This will monitor the activity every 5s during 1h.
JBoss logging monitor
Check documentation http://doc.nuxeo.com/display/KB/Monitoring+Nuxeo+DM
JMX logging
Using jmxstat:
jmxstat localhost:1089 --contention "Catalina:type=Manager,path=/nuxeo,host=localhost[activeSessions]" > jmxstat.log 2>&1 &
PostgreSQL monitoring
Visit the pgFouine tutorial to setup properly your PostgreSQL instance
http://pgfouine.projects.postgresql.org/tutorial.html
For instance log only request slower than 100ms:
log_min_duration_statement = 100
PostgreSQL vacuum analysis
Just catch the vacuum output:
vacuumdb -fzv database-name &> vacuum.log
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