服务器的已用内存一直在增加。我怀疑这里有内存泄漏。当我查看堆转储时,我发现内存中加载了太多的"com.mysql.jdbc.JDBC4Connection“实例。5,576 instances of "com.mysql.jdbc.JDBC4Connection", loaded by "sun.misc.Launcher$AppClassLoader @ 0x68001f718Keywordssun.
function mysql_read_single_row($sql, $array_of_values) {
//create a connection$DBH = new PDO("mysql:host=".CONST_MYSQL_HOST.";dbname=".CONST_MYSQL_DBNAME, CONST_MYSQL_RUSER, CONST_MYSQL_RPASS);