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Merge branch '37145-28' of git://github.com/samhemelryk/moodle
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cache/README.md
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cache/README.md
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@ -266,3 +266,7 @@ There are a couple of considerations to using this method:
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* If you have configured your cache before setting $CFG->altcacheconfigpath you will need to copy it from moodledata/muc/config.php to the destination you specified.
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* This allows you to share a cache config between sites.
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* It also allows you to use unit tests to test your sites cache config.
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Please be aware that if you are using Memcache or Memcached it is recommended to use dedicated Memcached servers.
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When caches get purged the memcached servers you have configured get purged, any data stored within them whether it belongs to Moodle or not will be removed.
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If you are using Memcached for sessions as well as caching/testing and caches get purged your sessions will be removed prematurely and users will be need to start again.
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@ -248,6 +248,11 @@ $CFG->admin = 'admin';
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// less reliable. Use memcached where possible or if you encounter
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// session problems. **
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//
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// Please be aware that when selecting either Memcached or Memcache for sessions that it is advised to use a dedicated
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// memcache server. The memcache and memcached extensions do not provide isolated environments for individual uses.
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// Using the same server for other purposes (MUC for example) can lead to sessions being prematurely removed should
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// the other uses of the server purge the cache.
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//
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// Following setting allows you to alter how frequently is timemodified updated in sessions table.
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// $CFG->session_update_timemodified_frequency = 20; // In seconds.
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//
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