The Qube! supervisor and workers communicate between themselves in order to coordinate the dispatch and running of jobs, and log this communication in the supelog and workerlog files respectively. Over time, these logs may become very large, can consume an inordinate amount of disk space, and can be unwieldy to should they need to be read for troubleshooting purposes.
Automated log rotation on the supervisor and workers is available via a Windows Scheduled Task, launchctl on OS X, and a cron job on
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Linux.
Setup and configuration
Linux
Setup
No additional
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tasks are necessary for log rotation on linux.
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Configuration
The log rotation on Linux is managed by the linux daemon
logrotated , and is specified in /etc/logrotate.d/supervisor . See the man pages for logrotated if you wish to customize the rotation policies.Rotation Policy
Rotate out the logs weekly, keeping 4 copies.
OS X
Setup
No additional task are necessary for log rotation on OS X.
Rotation Policy
Configuration
The log rotation on OS X is managed by launchctl/launchd, and the associated .plist files are:
- /Library/LaunchDaemons/com.pipelinefx.logrotate.supervisor.plist
- /Library/LaunchDaemons/com.pipelinefx.logrotate.worker.plist
Both of these plists call /Applications/pfx/qube/utils/logrotate.py; see The logrotate.py script
Windows
Setup
Enabling log rotation on Windows requires that the Python programming language be installed and in the System SEARCH PATH. The easiest way to accomplish this is to download and install a free Community Edition version of Python from ActiveState.
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Download and run one of these installers, and allow it to add Python to the System Search Path. You should see the logs rotate out within the hour.
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If you're unsure which version to install, choose the 64-bit installer.
Python 2.7 64-bit: http://downloads.activestate.com/ActivePython/releases/2.7.2.5/ActivePython-2.7.2.5-win64-x64.msi
Python 2.7 32-bit: http://downloads.activestate.com/ActivePython/releases/2.7.2.5/ActivePython-2.7.2.5-win32-x86.msi
Configuration
All Scheduled Tasks call
%QBDIR%/pfx/qube/utils/logrotate.py, with only the path to the log as an argument. If you wish to change the Rotation Policy
Verifying that log rotation is occurring
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