Fatal error: Uncaught exception 'RedisException' with message 'OOM command not allowed when used memory > 'maxmemory'.' in /var/www/html/lib/cache.class.php:49 Stack trace: #0 /var/www/html/lib/cache.class.php(49): Redis->sAdd('sql_planning:ca...', '["planning:case...') #1 /var/www/html/lib/db.class.php(155): cache->sadd('sql_planning:ca...', '["planning:case...') #2 /var/www/html/www.planning.com.cn/case/newslist.php(270): db->getAll('SELECT id,categ...') #3 /var/www/html/www.planning.com.cn/case/newslist.php(58): app->getAllCategory() #4 /var/www/html/common.inc.php(91): app->main() #5 /var/www/html/www.planning.com.cn/common.php(26): require('/var/www/html/c...') #6 {main} thrown in /var/www/html/lib/cache.class.php on line 49