1.使用top工具,找出消耗CPU 较多的进程[oracle@cuug ~]$ toptop - 10:48:27 up 23:15, 4 users, load average: 1.09, 0.43, 0.15Tasks: 161 total, 3 running, 158 sleeping, ...
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系统相关 时间:
2015-07-30 23:00:56
阅读次数:
258
JDK Installation for Microsoft Windows1.Downloading the installer:http://www.oracle.com/technetwork/java/javase/downloads/index.html2.Running the JDK ...
运行队列链表吧处于TASK_RUNNING状态的所有进程组织到一起
等待队列表示一组睡眠的进程,当某一条件变为真时,由内核唤醒他们,等待队列由双向链表实现...
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系统相关 时间:
2015-07-30 17:05:16
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182
Mysql服务器掉电之后发现网站链接数据库失败,查看数据集状态之后[root@dbserver1~]#servicemysqldstatusmysqldisstopped[root@dbserver1~]#chkconfig--listmysqldmysqld0:off1:off2:on3:on4:on5:on6:off[root@dbserver1~]#servicemysqldstartAnotherMySQLdaemonalreadyrunning..
分类:
数据库 时间:
2015-07-30 15:08:43
阅读次数:
169
系统环境系统平台:CentOS release 6.3 (Final)Samba版本:samba-3.5.10-125.el6.x86_64Samba Server IP:10.0.0.163防火墙已关闭/iptables: Firewall is not running.SELINUX=disab...
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其他好文 时间:
2015-07-30 13:13:42
阅读次数:
179
mysql性能调优分为4个方面一.硬件(CPU内存硬盘)监控CPU内存硬盘的值。[root@fanxh~]#toptop-03:58:11up10:05,1user,loadaverage:0.00,0.00,0.00Tasks:121total,1running,120sleeping,0stopped,0zombieCpu(s):0.0%us,0.7%sy,0.0%ni,99.0%id,0.0%wa,0.0%hi,0.3%si,0.Mem:100441..
分类:
数据库 时间:
2015-07-30 02:10:41
阅读次数:
266
新进程的执行源于以下前提:
- dup_task_struct中为其分配了新的堆栈
- 调用了sched_fork,将其置为TASK_RUNNING
- copy_thread中将父进程的寄存器上下文复制给子进程,保证了父子进程的堆栈信息是一致的
- 将ret_from_fork的地址设置为eip寄存器的值
最终子进程从ret_from_fork开始执行...
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系统相关 时间:
2015-07-29 14:08:57
阅读次数:
198
Hadoop windows编译:
参考building.txt以及http://wiki.apache.org/hadoop/Hadoop2OnWindows:
* Windows System - win8
* JDK 1.7+ - jdk1.8
* Maven 3.0 or later - maven 3.3
* Findbugs 1.3.9 (if running fin...
http://www.th7.cn/system/mac/201405/56653.shtmlMac 下 docker安装 以及 处理错误Cannot connect to the Docker daemon. Is 'docker -d' running on this host? 和 dial ...
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系统相关 时间:
2015-07-25 13:41:17
阅读次数:
197
I want to install daytime running lamp (DRL) on my W164. It has advanced fog lights and they turn on when you turn the wheel. When I activate day runn...
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其他好文 时间:
2015-07-25 09:24:19
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203