tunables:

[tt-rss.git] / include / functions.php

diff --git a/include/functions.php b/include/functions.php
index a664212b2e9d896f703a2084e0bf2085b151001d..6ea3e9ff2dea2079e53950e13ede01f5353c8321 100644 (file)
--- a/include/functions.php
+++ b/include/functions.php
@@ -30,17 +30,12 @@
 
        /**
         * Define a constant if not already defined
-        *
-        * @param string $name The constant name.
-        * @param mixed $value The constant value.
-        * @access public
-        * @return boolean True if defined successfully or not.
         */
        function define_default($name, $value) {
                defined($name) or define($name, $value);
        }
 
-       ///// Some defaults that you can override in config.php //////
+       /* Some tunables you can override in config.php using define(): */
 
        define_default('FEED_FETCH_TIMEOUT', 45);
        // How may seconds to wait for response when requesting feed from a site
@@ -52,12 +47,18 @@
        define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
        // How many seconds to wait for initial response from website when
        // fetching files from remote sites
-
-       // feed updating stuff
        define_default('DAEMON_UPDATE_LOGIN_LIMIT', 30);
+       // stop updating feeds if users haven't logged in for X days
        define_default('DAEMON_FEED_LIMIT', 500);
+       // feed limit for one update batch
        define_default('DAEMON_SLEEP_INTERVAL', 120);
-       define_default('_MIN_CACHE_FILE_SIZE', 1024);
+       // default sleep interval between feed updates (sec)
+       define_default('MIN_CACHE_FILE_SIZE', 1024);
+       // do not cache files smaller than that (bytes)
+       define_default('CACHE_MAX_DAYS', 7);
+       // max age in days for various automatically cached (temporary) files
+
+       /* tunables end here */
 
        if (DB_TYPE == "pgsql") {
                define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');