在mapper端执行join：
set hive.auto.convert.join=true;
启用本地模式：
set hive.exec.mode.local.auto=true;
启用并行执行：
set hive.exec.parallel=true;
启用严格模式/非严格模式：
set hive.mapred....
vi php.ini
; Maximum allowed size for uploaded files.upload_max_filesize = 10M
; Maximum size of POST data that PHP will accept.post_max_size = 15M
[root@2193 etc]# /etc/rc.d/init.d/httpd restart=====...
http://finance.qq.com/simulatestock/index.htm#Avoid a smurf attacknet.ipv4.icmp_echo_ignore_broadcasts = 1#Turn on protection for bad icmp error messagesnet.ipv4.icmp_ignore_bogus_error_responses = 1#...
