2017 年 12月 18 日随笔档案 - papering

2017年12月18日

摘要： -- 订单表新生效的url白天多晚上多？SELECT COUNT(1),FROM_UNIXTIME(create_time,'%H') AS sh FROM order GROUP BY sh ORDER BY sh DESC ;-- 订单表新生效的url白天多晚上多--近一周？SELECT COU 阅读全文

posted @ 2017-12-18 18:11 papering 阅读(187) 评论(0) 推荐(0)

数据可视化的重要性

摘要：阅读全文

posted @ 2017-12-18 14:59 papering 阅读(254) 评论(0) 推荐(0)

TCP Operational Overview and the TCP Finite State Machine (FSM) http://tcpipguide.com/free/t_TCPOperationalOverviewandtheTCPFiniteStateMachineF.htm

摘要： http://tcpipguide.com/free/t_TCPOperationalOverviewandtheTCPFiniteStateMachineF.htm http://tcpipguide.com/free/t_TCPOperationalOverviewandtheTCPFinite 阅读全文

posted @ 2017-12-18 12:05 papering 阅读(193) 评论(0) 推荐(0)

tcp state

摘要： [root@hadoop1 log]# netstatActive Internet connections (w/o servers)Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 hadoop1:56679 157. 阅读全文

posted @ 2017-12-18 11:57 papering 阅读(418) 评论(0) 推荐(0)

定时任务执行结果

摘要： [root@hadoop1 log]# xlcl#spider#48/d*/40 0-8,20-23 * * * python /home/data/crontab_chk_url/personas/trunk/plugins/spider/chk_url_status_update_tmp_err 阅读全文

posted @ 2017-12-18 10:36 papering 阅读(281) 评论(0) 推荐(0)