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Issue #2359 updated readme with bscalio suggestions

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Nate Jensen 2014-01-22 17:06:43 -06:00
parent 45747b7266
commit 0dc8c42f79
2 changed files with 34 additions and 2 deletions
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3
edexOsgi/build.edex/esb/conf/logback-ingest.xml
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@ -200,8 +200,9 @@
<logger name="com.raytheon"> <logger name="com.raytheon">
<level value="INFO"/> <level value="INFO"/>
</logger> </logger>
<logger name="com.raytheon.edex.plugin.shef"> <logger name="com.raytheon.edex.plugin.shef" additivity="false">
<level value="INFO"/> <level value="INFO"/>
<appender-ref ref="ShefLog" />
</logger> </logger>
<logger name="com.raytheon.edex.services.ArchiveSrv"> <logger name="com.raytheon.edex.services.ArchiveSrv">
<level value="WARN"/> <level value="WARN"/>

33
javaUtilities/com.raytheon.uf.logsrv/README.txt
View file

@ -36,6 +36,9 @@ the tar.gz file. Next go into the conf directory and modify config.xml to
the default. Once your config settings are right, run the bin/logsrv.sh the default. Once your config settings are right, run the bin/logsrv.sh
script to start the log service. script to start the log service.
Setup of Client Processes
------------------
At this point the log service is running but nothing is reporting to it. You At this point the log service is running but nothing is reporting to it. You
can configure any Java process using logback to report to it, but with the can configure any Java process using logback to report to it, but with the
current version that is just EDEX and CAVE. (Note technically you could current version that is just EDEX and CAVE. (Note technically you could
@ -73,7 +76,8 @@ the tar.gz file. Next go into the conf directory and modify config.xml to
in receiver.xml. You can alter the threshold if need be. in receiver.xml. You can alter the threshold if need be.
Next you must add your new remoteLogSrv appender to a logger. Note that a Next you must add your new remoteLogSrv appender to a logger. Note that a
logger can have multiple appenders. For EDEX, the recommendation is to add logger can have multiple appenders, but any logger with additivity="false" will
not go through the root log. For EDEX, the recommendation is to add
it to the root logger. For example: it to the root logger. For example:
<root> <root>
@ -111,6 +115,33 @@ everything configured even if the log service or the reporting processes are not
running. running.
Impacts
-------------
The log service has very little overhead. The appenders, as configured, will be just
another appender so the "normal" logs will continue to function as usual. With the
threshold configuration, only WARN and ERROR messages are sent to the log
service. All of this is done asynchronously so the processing threads that logged
a message will not wait for the message to get sent. Messages sent to the
service are sent over TCP and are buffered. As long as the network path to
the log service is not slower than the rate at which the WARN or ERROR messages
are produced, you should not notice any slowdowns or impacts due to processes
reporting to the log service.
Of course, the less an application produces WARN or ERROR messages, the less
overhead. And the reporting can always be disabled by undoing the modifications
to logback configuration files specified in the setup instructions. Again, if you
disable reporting to the log service, you do not need to restart the Java process.
More information
--------------
For more information about the socket appender, please see
http://logback.qos.ch/manual/appenders.html#SocketAppender
For more information about logback configuration files, please see
http://logback.qos.ch/manual/configuration.html#syntax
Bugs and/or Improvements Bugs and/or Improvements
-------------- --------------
If you encounter a bug with the log service or have an idea of how it can be If you encounter a bug with the log service or have an idea of how it can be