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While every DSpace installation is unique, in order to get the most out of DSpace, we highly recommend enabling these basic cron settings (the settings are described below):
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#################### SAMPLE CRONJOB FOR A PRODUCTION DSPACE ## You obviously may wish to tweak this for your own installation, but this should give you an idea of what you likely wish to schedule via cron. ## #----------------- # GLOBAL VARIABLES ###################----------------- # Full path of your local DSpace Installation (e.g. /home/dspace or /dspace or similar) # MAKE SURE TO CHANGE THIS VALUE!!! DSPACE = [dspace] # Shell to use SHELL=/bin/sh # Add all major 'bin' directories to path PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin # Set JAVA_OPTS with defaults for DSpace Cron Jobs. # Only provides 512MB of memory by default (which should be enough for most sites). But, feel free to increase as needed to give more memory. JAVA_OPTS="-Xmx512M -Xms512M -Dfile.encoding=UTF-8" ###############-------------- # HOURLY TASKS (Recommended to be run multiple times per day, if possible) # At a minimum these tasks should be run daily. ###############-------------- # Regenerate DSpace Sitemaps every 8 hours (12AM, 8AM, 4PM). # SiteMaps ensure that your content is more findable in Google, Google Scholar, and other major search engines. 0 0,8,16 * * * $DSPACE/bin/dspace generate-sitemaps > /dev/null #################---------------- # DAILY TASKS (Recommended to be run once per day. Feel free to tweak the scheduled times below.) #---------------- # Update the OAI-PMH index with the newest content (and re-optimize that index) ################ at midnight every day # (This is only necessary if you are running OAI-PMH. It ensures new content is available via OAI-PMH. # It also ensures the OAI-PMH index is optimized for better performance) 0 0 * * * $DSPACE/bin/dspace oai import -o > /dev/null # Clean and Update the Discovery indexes at midnight every day # (This ensures that any deleted documents are cleaned from the Discovery search/browse index) 0 0 * * * $DSPACE/bin/dspace index-discovery > /dev/null # Re-Optimize the Discovery indexes at 12:30 every day # (This ensures that the Discovery Solr Index is re-optimized for better performance) 30 0 * * * $DSPACE/bin/dspace index-discovery -o > /dev/null # Cleanup Web Spiders from DSpace Statistics Solr Index at 01:00 every day # (This removes any known web spiders from your usage statistics) 0 1 * * * $DSPACE/bin/dspace stats-util -m -i -f # Re-Optimize DSpace Statistics Solr Index at 01:30 every day # (This ensures that the Statistics Solr Index is re-optimized for better performance) 30 1 * * * $DSPACE/bin/dspace stats-util -o # Send out subscription e-mails at 0102:00 every day # (This sends an email to any users who have "subscribed" to a Collection, notifying them of newly added content.) 0 12 * * * [dspace]$DSPACE/bin/dspace sub-daily # Run the media filter at 0203:00 every day. # (This task ensures that thumbnails are generated for newly add images, # and also ensures full text search is available for newly added PDF/Word/PPT/HTML documents) 0 23 * * * [dspace]$DSPACE/bin/dspace filter-media #---------------- # WEEKLY TASKS (Recommended to be run once per week, but can be run more or less frequently, based on your needs) #---------------- # Run the checksum checker at 03:00 0 3 * * * [dspace]04:00 every Sunday # (This re-verifies the checksums of all files stored in DSpace. If any files have been changed/corrupted, the checksums will differ.) 0 4 * * * $DSPACE/bin/dspace checker -l -p # NOTE: LARGER SITES MAY WISH TO USE DIFFERENT OPTIONS. The above "-l" option tells DSpace to check *everything*. # If your site is very large, you may need to only check a portion of your content per week. # The below task would instead check all the content it can within *one hour*. The next week it would start again where it left off. #0 4 * * 0 $DSPACE/bin/dspace checker -d 1h -lpp # Mail the results of the checksum checker (see above) to the sysadminadmin.email at 04:0005:00 every Sunday # (This ensures the system administrator is notified whether any checksums were found to be different.) 0 45 * * * 0 [dspace]/bin/dspace checker-emailer -c |
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