Difference between revisions of "SUNScholar/Optimisations"

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'''[[SUNScholar/Install DSpace/S11|Back to After Installation Tasks]]'''
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==Introduction==
 
==Introduction==
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{{WARNING}}
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This wiki page details the major optimisations of the system performed at Stellenbosch University in an attempt to create a <big><font color="red">'''truly production optimised version of DSpace'''</font></big>.
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===Recommended===
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This wiki page details the major optimisations of the system performed at Stellenbosch University in order to create a truly production version of DSpace.
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#[[SUNScholar/Install_Ubuntu/S01|Server Hardware]]
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#[[SUNScholar/Optimisations/Tomcat|Tomcat Webapp Server]]
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==Tomcat==
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#[[SUNScholar/Optimisations/Database|ANSI SQL Database]]
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See: http://www.turnkeylinux.org/tomcat
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#[[SUNScholar/Optimisations/Java|Java Virtual Machine]]
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#[[SUNScholar/Optimisations/Logs|Reduce system log sizes]]
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*Remove "mod_jk", use "authbind" exclusively with no need of the Tomcat AJP connector in order to reduce the CPU and memory load
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#[[SUNScholar/Optimisations/Bitstream checker|Bitstream checker]]
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http://wiki.lib.sun.ac.za/index.php/SUNScholar/Prepare_Ubuntu/S05
 
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*Remove "development mode" of Tomcat by adding the following to the server context in order to reduce DNS lookups.
 
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enableLookups="false"
 
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==XMLUI==
 
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*Use XMLUI exclusively to reduce the memory load.
 
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http://wiki.lib.sun.ac.za/index.php/SUNScholar/Install_Dspace/S08
 
  
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==Indexes==
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===Optional===
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*Fix "browse index" configuration to reduce the PostgreSQL database server query load.
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#[[SUNScholar/Optimisations/Ubuntu Software|Ubuntu Software]]
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http://wiki.lib.sun.ac.za/index.php/SUNScholar/Indexes#Browse_Indexes
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#[[SUNScholar/Optimisations/Monit service|Monit service]]
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#[[SUNScholar/Troubleshooting|Troubleshooting]]
  
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==Logs==
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===YouTube Video===
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*Changed all instances of "INFO" to "ERROR" in the following config file to reduce disk I/O and CPU load.
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<html5media width="560" height="315">https://www.youtube.com/watch?v=pGhbtULhNJA</html5media>
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log4j.properties
 
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==Bitstream checker==
 
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Modified bitstream checker settings as follows to reduce database size.
 
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<pre>
 
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#### Checksum Checker Settings ####
 
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# Default dispatcher in case none specified
 
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plugin.single.org.dspace.checker.BitstreamDispatcher=org.dspace.checker.SimpleDispatcher
 
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# check history retention
 
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checker.retention.default=1y
 
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checker.retention.CHECKSUM_MATCH=2w
 
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</pre>
 
  
 
==References==
 
==References==
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*https://wiki.duraspace.org/display/DSDOC18/Performance+Tuning+DSpace
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*https://wiki.duraspace.org/display/DSPACE/SystemAdministrators
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*https://wiki.duraspace.org/display/DSPACE/PostgresPerformanceTuning
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*https://wiki.duraspace.org/display/DSDOC5x/Performance+Tuning+DSpace
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*https://wiki.duraspace.org/display/DSDOC4x/Performance+Tuning+DSpace
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*https://wiki.duraspace.org/display/DSDOC3x/Performance+Tuning+DSpace
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*https://wiki.duraspace.org/display/FCREPO/Performance+Testing
 
*http://www.turnkeylinux.org/tomcat
 
*http://www.turnkeylinux.org/tomcat
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*http://www.tecmint.com/how-to-install-and-setup-monit-linux-process-and-services-monitoring-program
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{{SS-GRAPHS}}
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*http://www.tecmint.com/command-line-tools-to-monitor-linux-performance
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[[Category:System Administration]]
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'''[[SUNScholar/Install Dspace/S11|Back to After Installation Tasks]]'''
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[[Category:Optimisations]]
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[[Category:Installation]]
 
__NOTOC__
 
__NOTOC__

Latest revision as of 00:00, 10 June 2016

Back to After Installation Tasks

Introduction

This wiki page details the major optimisations of the system performed at Stellenbosch University in an attempt to create a truly production optimised version of DSpace.

Recommended

  1. Server Hardware
  2. Tomcat Webapp Server
  3. ANSI SQL Database
  4. Java Virtual Machine
  5. Reduce system log sizes
  6. Bitstream checker

Optional

  1. Ubuntu Software
  2. Monit service
  3. Troubleshooting

YouTube Video

References

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