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记一次php高负载问题排查经历

T -c -p 31420 strace -c发现,系统时间主要耗费在rt_sigprocmask上,该函数是系统的信号屏蔽函数,一般使用在信号处理程序中,对信号进行屏蔽,保证信号处理程序不被打断。rt_sigprocmask为linux的系统调用函数,不对外直接调用,而使用glibc对其的封装:sigprocmas
thomasdu 2015-05-19 推荐(1) 浏览(611)
http://www.cnblogs.com/thomas-house/p/4515230.html

MySQL 5.5.35 单机多实例配置详解

EN 31420/mysqld tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 31413/mysqld 2.同时关闭四个mysql实例 (1).方法一:
张冲andy 2016-12-13 浏览(387)
http://www.cnblogs.com/andy6/p/6171859.html

游标

ALUES ( 31420,'SF',4052,8.030,102,'2007-11-1 00:00:00','2007-11-28 00:00:00',0.00,77,'2007-11-13 00:00:00','XJ','G01','梁才文','东源楼','BCL0008-00466','Z39678',20,'X
qanholas 2010-10-25 浏览(496)
http://www.cnblogs.com/qanholas/archive/2010/10/25/1860326.html

省市县导入mysql代码,通过csv

7,"香坊区",31420,167,"太平区",31421,167,"道外区",31422,167,"阿城区",31423,167,"呼兰区",31424,167,"松北区",31425,167,"尚志市",31426,167,"双城市",31427,167,"五常市",31428,167,"方正县",31429,16
lexus 2010-12-03 浏览(222)
http://www.cnblogs.com/lexus/archive/2010/12/03/1895468.html

省市县导入mysql代码,通过csv

7,"香坊区",31420,167,"太平区",31421,167,"道外区",31422,167,"阿城区",31423,167,"呼兰区",31424,167,"松北区",31425,167,"尚志市",31426,167,"双城市",31427,167,"五常市",31428,167,"方正县",31429,16
lexus 2010-12-03 浏览(159)
http://www.cnblogs.com/lexus/archive/2010/12/03/1895469.html

Ten-digit Fractions

9165789÷31420=2.09385741665840÷17239=3.81924705665897÷20143=3.27145906865927÷10384=6.34890215767049÷15382=4.35892601767120÷48359=1.38795260467153÷40928=1.640759
王峰炬 2009-02-11 浏览(2)
http://www.cnblogs.com/fengju/archive/2009/02/11/6336217.html

中文汉字转换拼音PHP类

53221, 31420, 48539, 35283, 62919, 28806, 38625, 22423, 21986, 42637, 53211, 58602, 62151, 33434, 49818, 56564), 368 "qu" => array(38587, 38131, 16629
子海蓝心 2014-10-15 浏览(274)
http://www.cnblogs.com/851507788cto/p/4025842.html

MSSQL 版本全国地名数据库

ALUES ('31420', '鹤龙湖镇', '1526'); INSERT INTO area VALUES ('31421', '文星镇', '1526'); INSERT INTO area VALUES ('31422', '东塘镇', '1526'); INSERT INTO area VALUES ('3
拂髯客 2017-04-04 浏览(1)
http://www.cnblogs.com/Frank99/p/6664322.html

MySQL 版本全国地名数据库 ---- 转自网络

ALUES ('31420', '鹤龙湖镇', '1526'); INSERT INTO `area` VALUES ('31421', '文星镇', '1526'); INSERT INTO `area` VALUES ('31422', '东塘镇', '1526'); INSERT INTO `area` VALU
拂髯客 2017-04-04
http://www.cnblogs.com/Frank99/p/6664326.html