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XWiki can behave very oddly when disk space is low and XWiki running on Apache Tomcat and/or using MySQL or other database system cannot write log or temporary or to other files on disk. Observed behaviour includes: Tomcat and MySQL crashing, etc. To the user XWiki appears to 'lose' attachments, velocity scripts display errors on wiki pages, etc.

On unix/linux type installations (where tomcat and mysql host their data directories on /var and /var is low on disk space or even full) you can stop xwiki, tomcat, and mysql, etc and move those data directories to a bigger partitition and use symbolic links to reference the new locations.

Here are some tools that can run any Java application as a Service: * [[Java Service Wrapper>>http://wrapper.tanukisoftware.com/doc/english/download.jsp]] * [[Apache Daemon ProcRun>>http://wrapper.tanukisoftware.com/doc/english/download.jsp]] And here are some links to run a specific container as a Service: * [[Jetty 7>>http://stackoverflow.com/questions/2094429/running-jetty-7-as-windows-service]] and also the [[Jetty Windows Service Wrapper>>http://docs.codehaus.org/display/JETTY/Win32Wrapper]] * [[Tomcat 7>>http://tomcat.apache.org/tomcat-7.0-doc/windows-service-howto.html]] For how to install XWiki into a Servlet Container, see [[the WAR Installation Guide>>Documentation.AdminGuide.InstallationWAR]].