You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@uima.apache.org by de...@apache.org on 2016/07/11 13:25:09 UTC
svn commit: r1752157 -
/uima/uima-ducc/trunk/uima-ducc-duccdocs/src/site/tex/duccbook/part2/webserver/system.tex
Author: degenaro
Date: Mon Jul 11 13:25:09 2016
New Revision: 1752157
URL: http://svn.apache.org/viewvc?rev=1752157&view=rev
Log:
UIMA-4745 DUCC Release 2.1 documentation updates
Modified:
uima/uima-ducc/trunk/uima-ducc-duccdocs/src/site/tex/duccbook/part2/webserver/system.tex
Modified: uima/uima-ducc/trunk/uima-ducc-duccdocs/src/site/tex/duccbook/part2/webserver/system.tex
URL: http://svn.apache.org/viewvc/uima/uima-ducc/trunk/uima-ducc-duccdocs/src/site/tex/duccbook/part2/webserver/system.tex?rev=1752157&r1=1752156&r2=1752157&view=diff
==============================================================================
--- uima/uima-ducc/trunk/uima-ducc-duccdocs/src/site/tex/duccbook/part2/webserver/system.tex (original)
+++ uima/uima-ducc/trunk/uima-ducc-duccdocs/src/site/tex/duccbook/part2/webserver/system.tex Mon Jul 11 13:25:09 2016
@@ -17,10 +17,10 @@
% under the License.
%
-\section{System Details Page}
+\section{System Pages}
\label{sec:system-details}
-This page shows information relating to the {\DUCC} System itself:
+These pages show information relating to the {\DUCC} System itself:
\begin{description}
\item[Administration]This displays system administrators and implements
the interface to various administrative controls.
@@ -28,7 +28,7 @@ This page shows information relating to
\item[Classes] This shows the system's scheduling class definitions.
\item[Daemons] This shows the status of all {\DUCC} processes.
\item[DuccBook] This is a link to the book you are reading.
- \item[Machines] This shows details of all the machines in the {\DUCC} cluster.
+ \item[Machines] This shows details of all the machines (nodes) in the {\DUCC} cluster.
\end{description}
\subsection{Administration}
@@ -121,7 +121,7 @@ The columns shown on this page include
\subsection{Machines}
-This page shows the states of all the machines in the {\DUCC} cluster.
+This page shows the states of all the machines (nodes) in the {\DUCC} cluster.
The columns shown on this page include
@@ -134,10 +134,10 @@ The columns shown on this page include
started there, or else there is a communication problem and
the state messages are not being delivered.
\item[up] The node has a {\DUCC} Agent process running on it and the
- web server is receiving regular heartbeat packets from it.
+ resource manager is receiving regular heartbeat packets from it.
\item[down] The node had a healthy {\DUCC} Agent on it at some point
- in the past (since the last {\DUCC} boot), but the web server has stopped
- receiving heartbeats from it.
+ in the past (since the last {\DUCC} boot), but the resource manager
+ has stopped receiving heartbeats from it.
The agent may have been manually shut down, may have crashed, or there
may be a communication problem.
@@ -146,7 +146,6 @@ The columns shown on this page include
the {\DUCC} Agents heartbeats to be delayed.
\end{description}
-
\item[IP] \hfill \\
This is the IP address of the node.
@@ -154,26 +153,33 @@ The columns shown on this page include
\item[Name] \hfill \\
This is the hostname of the node.
+ \item[Nodepool] \hfill \\
+ This is the host nodepool.
\item[Memory(GB) usable] \hfill \\
- This is the amount of memory, in GB, as reported by each machine.
+ This is the amount of usable memory, in GB, as reported by each machine.
+ This is the maximum amount that can be allocated by the resource manager.
Usually the amount will be slightly less than the installed memory. This is because
a small bit of memory is usually reserved by the hardware for its own purposes. For
example, a machine with 48GB of installed memory may report only 47GB available.
-
+ \item[Memory(GB) free] \hfill \\
+ This is the amount of free memory, in GB, as reported by each machine.
+ This is the amount not presently allocated by the resource manager.
+
+ \item[CPU] \hfill \\
+ This is the host CPU one minute load average.
+
\item[Swap(GB) inuse] \hfill \\
This is the total size in-use swap data. {\DUCC} shows any value greater than 0 in
red as swapping can very significantly slow applications. However, swap use does
not always mean there is a performance problem. This is flagged by {\DUCC} simply
as an alert of a potential problem
-
\item[Swap(GB) free] \hfill \\
This is the total size of swap area.
-
\item[C-Groups] \hfill \\
If on then C-Groups are in use and processes deployed by {\DUCC} will
be limited in resource consumption.