Module: kamailio Branch: master Commit: 6aafae5d2803387abe4d634c7d0e740386ca20b4 URL: https://github.com/kamailio/kamailio/commit/6aafae5d2803387abe4d634c7d0e740… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2020-04-20T17:21:08+02:00 presence: updated docs for publ_cache parameter --- Modified: src/modules/presence/doc/presence_admin.xml --- Diff: https://github.com/kamailio/kamailio/commit/6aafae5d2803387abe4d634c7d0e740… Patch: https://github.com/kamailio/kamailio/commit/6aafae5d2803387abe4d634c7d0e740… --- diff --git a/src/modules/presence/doc/presence_admin.xml b/src/modules/presence/doc/presence_admin.xml index 8f65c394e2..850e929f67 100644 --- a/src/modules/presence/doc/presence_admin.xml +++ b/src/modules/presence/doc/presence_admin.xml @@ -525,12 +525,20 @@ modparam("presence", "subs_db_mode", 1) <section id="presence.p.publ_cache"> <title><varname>publ_cache</varname> (int)</title> <para> - To improve performance, the presence module holds by default a - publish cache that says if a certain publication exists in database. - This is only a list of URI + event, so it does not use much memory. - The cache is used when a Subscription is received to check if there - is any published state in database. This way unnecessary queries in - presentity table are avoided. + To improve performance, the presence module can operate in a couple of + modes related to how PUBLISH data is stored. If publ_cache is 0, + then no information is store in memory. + </para> + <para> + If publ_cache is 1, then the module keeps in memory an index of the + records stored in database, In this mode it keeps only the list of URIs + and events, so it does not use much memory. The cache is used when a + Subscription is received to check if there is any published state in + database. This way unnecessary queries in presentity table are avoided. + </para> + <para> + If publ_cache is 2, then the module keeps everything related to PUBLISH + requests in memory, not storing anything in the database. </para> <para> Setting this parameter to 0 will disable the usage of the publish