503 service temporarily unavailable What does this mean [resolved] essentials

  Ordinary visited a little low flow rates when personal website often encounter Service Temporarily Unavailable characters appear on the page when the page open in this environment that most affect the user experience when visiting from entering the site see is not I want to see something, but this bunch of pages with Service Temporarily Unavailable characters will certainly be gone in. In this case we will use iis7 Webmaster Toolkit IIS7 server monitoring tools to solve this problem.

  We have to pay attention to the owners: the general environment in the event of Service Temporarily Unavailable error is mostly due to visit the site becomes too large, when the flow overrun error probably caused by a large number of concurrent resource overrun arise. When the amount of the general environment visited the site before the site will return to normal after the visit, which is the promotion of space to build a better, or check the website system that is a program to make it better optimization.

 Handle essentials:

  1, the flow becomes excessive, can advance to the next space, the number of concurrent users supply site iis.

  2, if space is not a problem, spicy it is necessary to carefully check the website program if there is an infinite loop about memory leaks and other problems.

  3, let the Service Temporarily Unavailable automatically redefined to 503 pages

  Apache recently and this error from time to time, been to the investigation findings are set Apachedmod_bw module into

  ForceBandWidthModule On

  BandWidthModule On

  BandWidth all 1024000

  MaxConnection all 150

  In this construction documents, according to the document can be said to support 150 concurrent Apache per second, but the actual current environment is at best only a few concurrent, very helpless

  After the increase MaxConnection, the environment is still not improved.

  What if, Service Temporarily Unavailable problem, but do not want simply to show error page, spicy it can specify the error page. Apache can apply under the following essentials:

  Compile

  /usr/prima/apache_ssl/conf/httpd.conf

  Find, enter in the block

  ThrottleMaxDelay 0

  Restart apache

  Enter in httpd.conf:

  ErrorDocument 503 /busy.html

  Service Temporarily Unavailable error so once again, will be altogether a point to busy.html page.

  This article explains the important thing when there 503 service temporarily unavailable when the environment of how to manipulate, is expected to be sponsored by the owners when we can visit the site.

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Origin blog.51cto.com/14479189/2425936