用 'top -i' 看看有多少进程处于 Running 状态,可能系统存在内存或 I/O 瓶颈,用 free 看看系统内存使用情况,swap 是否被占用很多,用 iostat 看看 I/O 负载情况... 还 有一种办法是 ps -ef | sort -k7 ,将进程按运行时间排序,看哪个进程消....
分类:
其他好文 时间:
2015-01-20 19:58:18
阅读次数:
289
The sanlock daemon manages leases for applications running on a cluster of hosts with shared storage. All lease management and coordination is done
through reading and writing blocks on the shared storage. Two types of leases are used, each based...
分类:
其他好文 时间:
2015-01-20 10:34:42
阅读次数:
214
异常信息如下:C:\Users\Administrator>adb devices* daemon not running. starting it now on port 5037 *ADB server didn't ACK* failed to start daemon *error: can...
分类:
数据库 时间:
2015-01-19 20:32:02
阅读次数:
206
方法如下: Go to Control Panel Java in the Security tab click the “Edit Site List…” button click Add button insert the URL of the website that you want acc...
分类:
移动开发 时间:
2015-01-19 12:10:41
阅读次数:
392
今天早上起来发现mysql登录不上了,service mysqld restart先包正确再报失败,报的错误就是Another MySQL daemon already running with the same unix socket.太闹心了;大早上的小样儿就给我添堵,看大爷怎么收拾你。直接干....
分类:
数据库 时间:
2015-01-17 13:52:11
阅读次数:
150
mac 上adb连接不到android手机可以参考:这里xxxdeMacPro:~ xxx$ adb start-server* daemon not running. starting it now on port 5037 *ADB server didn't ACK* failed to st...
分类:
移动开发 时间:
2015-01-16 18:40:01
阅读次数:
154
Question:Givenanumbern,givemeafunctionthatreturnsthenthfibonaccinumber.Runningtime,spacecomplexity,iterativevs.recursive.http://www.glassdoor.com/Interview/Given-a-number-n-give-me-a-function-that-returns-the-nth-fibonacci-number-Running-time-space-complexi..
分类:
其他好文 时间:
2015-01-16 17:06:01
阅读次数:
105
停数据库时遇到下述问题:$ ./addbctl.sh stopYou are running addbctl.sh version 120.1Shutting down database UAT ...SQL*Plus: Release 11.1.0.7.0 - Production on Fri ...
分类:
其他好文 时间:
2015-01-16 12:57:04
阅读次数:
176
Question:ImplementIntegerdivisionwithoutusing/or%.http://www.glassdoor.com/Interview/Implement-integer-division-without-using-or-Questions-about-running-time-Can-you-do-it-faster-QTN_250205.htm
//Abinaryquestion
//returna/b.
publicintdivide(inta,intb)
{
if(..
分类:
其他好文 时间:
2015-01-16 08:45:05
阅读次数:
154
背景:最近一段时间集中接触了些许关于IPC的相关技术,即进程间通信。网上搜索学习了《Unix网络编程卷2:进程间通信》、ZeroMQ Guide文档、ActiveMQ等资料,对IPC有了大致的了解,本篇文章中记录一个尝试匿名管道时遇到的奇葩问题,仅供学习和交流。...
分类:
系统相关 时间:
2015-01-15 23:48:26
阅读次数:
306