Cron support improved

Wednesday, January 14, 2009

The support for cron scripts has been improved. RailsCluster recommends to update all crontabs to use the new cluster_task wrapper.

The cluster_task wrapper ensures that cron scripts do not run twice and in parallel. This improves performance and avoids race conditions in your application.

The wrapper is to be placed before the actual cron script. Example:

PATH=/opt/ruby-enterprise/bin:/usr/local/bin:/usr/bin:/bin
0 * * * * /usr/local/bin/cluster_task rake cron:hourly

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