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Linux 性能监测工具及调优介绍(一) | ||
2005-12-16 10:06:26 menling 来源:中华服务器网 点击:2129次 加入收藏夹 | ||
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<script type="text/javascript"> </script> <script src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type="text/javascript"> </script> name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-9406851875967498&dt=1189135083468&lmt=1189135083&alternate_ad_url=http%3A%2F%2Fwww.serverol.com%2Fad%2Fg336cj_noad.html&prev_fmts=468x60_as&format=336x280_as&output=html&correlator=1189135083343&channel=9373877079&url=http%3A%2F%2Fwww.serverol.com%2Ftech%2F893.html&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=000000&color_border=FFFFFF&ad_type=text&ref=http%3A%2F%2Fwww.google.cn%2Fsearch%3Fcomplete%3D1%26hl%3Dzh-CN%26ie%3DGB2312%26q%3Dload%2Baverage%2Blinux%2B%26btnG%3DGoogle%2B%25CB%25D1%25CB%25F7%26meta%3Dlr%253Dlang_zh-CN%257Clang_zh-TW%26aq%3Dnull&cc=422&ga_vid=1298887601.1187930384&ga_sid=1189134611&ga_hid=1412301887&ga_fc=true&flash=9&u_h=1024&u_w=1280&u_ah=874&u_aw=1280&u_cd=32&u_tz=480&u_his=6&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> Linux 性能监测工具及调优介绍LINUX系统下,大多数的性能监测工具保存在/proc目录下。这里我们将Linux AS 和 SUSE LINUX Enterprise Server中,命令行及图形方式下的性能监测工具做概括性介绍。这些工具有些在系统工具盘里,有些可以从网上下载。sar, iostat,和pstat这三个工具在distribution CD里,也可以从网上下载,网址是http://perso.wanadoo.fr/sebastien.godard/。表--Linux 性能监测工具 |
Linux 性能监测工具及调优介绍(二) | ||||||
2005-12-16 10:18:21 menling 来源:中华服务器网 点击:2272次 加入收藏夹 | ||||||
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<script type="text/javascript"> </script> <script src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type="text/javascript"> </script> name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-9406851875967498&dt=1189135122937&lmt=1189135122&alternate_ad_url=http%3A%2F%2Fwww.serverol.com%2Fad%2Fg336cj_noad.html&prev_fmts=468x60_as&format=336x280_as&output=html&correlator=1189135122812&channel=9373877079&url=http%3A%2F%2Fwww.serverol.com%2Ftech%2F894.html&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=000000&color_border=FFFFFF&ad_type=text&ref=http%3A%2F%2Fwww.serverol.com%2Ftech%2F893.html&cc=422&ga_vid=1298887601.1187930384&ga_sid=1189134611&ga_hid=778780712&ga_fc=true&flash=9&u_h=1024&u_w=1280&u_ah=874&u_aw=1280&u_cd=32&u_tz=480&u_his=1&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> Linux 性能监测工具及调优介绍(二)这部分内容包括:sar;KDE System Guard;free;Traffic-vis6 sarsar是Red Hat Enterprise Linux AS发行的一个工具,同时也是Sysstat工具集的命令之一,可以从以下网址下载:http://perso.wanadoo.fr/sebastien.godard/sar用于收集、报告或者保存系统活动信息。sar由三个应用组成:sar显示数据、sar1和sar2用于收集和保存数据。使用sar1和sar2,系统能够配置成自动抓取信息和日志,以备分析使用。配置举例:在/etc/crontab中添加如下几行内容 | ||||||
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Linux 性能监测工具及调优介绍(三) | ||||
2005-12-16 10:21:23 menling 来源:中华服务器网 点击:1619次 加入收藏夹 | ||||
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<script type="text/javascript"> </script> <script src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type="text/javascript"> </script> name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-9406851875967498&dt=1189135142906&lmt=1189135142&alternate_ad_url=http%3A%2F%2Fwww.serverol.com%2Fad%2Fg336cj_noad.html&prev_fmts=468x60_as&format=336x280_as&output=html&correlator=1189135142781&channel=9373877079&url=http%3A%2F%2Fwww.serverol.com%2Ftech%2F895.html&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=000000&color_border=FFFFFF&ad_type=text&ref=http%3A%2F%2Fwww.serverol.com%2Ftech%2F894.html&cc=422&ga_vid=1298887601.1187930384&ga_sid=1189134611&ga_hid=346524287&ga_fc=true&flash=9&u_h=1024&u_w=1280&u_ah=874&u_aw=1280&u_cd=32&u_tz=480&u_his=2&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> Linux 性能监测工具及调优介绍(三)这部分内容包括:pmap;strace;ulimit;mpstat10 pmappmap可以报告某个或多个进程的内存使用情况。使用pmap判断主机中哪个进程因占用过多内存导致内存瓶颈。图14-9显示了SUSE LINUXEnterprise Server下pmap命令执行结果pmap -x | ||||
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