208 lines
3.8 KiB
HTML
208 lines
3.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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>openMosixcollector</TITLE
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="The openMosix HOWTO"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="openMosixview"
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HREF="openmosixview.html"><LINK
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REL="PREVIOUS"
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TITLE="openMosixprocs"
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HREF="x1060.html"><LINK
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TITLE="openMosixanalyzer"
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HREF="x1103.html"></HEAD
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BGCOLOR="#FFFFFF"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>The openMosix HOWTO: </TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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>Prev</A
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><TD
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WIDTH="80%"
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>Chapter 10. openMosixview</TD
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><TD
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WIDTH="10%"
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>Next</A
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><H1
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><A
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NAME="AEN1093"
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></A
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>10.6. openMosixcollector</H1
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><P
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> The openMosixcollector is a daemon which should/could be started on one cluster-member.
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It logs the openMosix-load of each node to the directory /tmp/openmosixcollector/*
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These history log-files analyzed by the openMosixanalyzer (as described later)
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gives an nonstop overview of the load, memory and processes in your cluster.
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There is one main log-file called /tmp/openmosixcollector/cluster
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Additional to this there are additional files in this directory to which the
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data is written. </P
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><P
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> At startup the openMosixcollector writes its PID (process id) to
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/var/run/openMosixcollector.pid </P
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><P
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> The openMosixcollector-daemon restarts every 12 hours and saves the current history to
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/tmp/openmosixcollector[date]/*
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These backups are done automatically but you can also trigger this manual. </P
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><P
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> There is an option to write a checkpoint to the history.
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These checkpoints are graphically marked as a blue vertical line if you analyze
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the history log-files with the openMosixanalyzer.
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For example you can set a checkpoint when you start a job on your cluster
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and another one at the end.. </P
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><P
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> Here is the explanation of the possible commandline-arguments:
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>openmosixcollector -d //starts the collector as a daemon
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openmosixcollector -k //stops the collector
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openmosixcollector -n //writes a checkpoint to the history
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openmosixcollector -r //saves the current history and starts a new one
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openmosixcollector //print out a short help </PRE
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></FONT
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></TD
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></TR
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></TABLE
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> </P
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><P
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> You can start this daemon with its init-script in /etc/init.d or /etc/rc.d/init.d.
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You just have to create a symbolic link to one of the runlevels for automatic startup. </P
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><P
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> How to analyze the created logfiles is described in the openMosixanalyzer-section.
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</P
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WIDTH="33%"
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VALIGN="top"
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HREF="x1060.html"
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ACCESSKEY="P"
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>Prev</A
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>Home</A
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HREF="x1103.html"
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>Next</A
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WIDTH="33%"
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ALIGN="left"
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>openMosixprocs</TD
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><TD
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WIDTH="34%"
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>Up</A
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WIDTH="33%"
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>openMosixanalyzer</TD
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> |