清除sharepoint timer job 缓存

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　　clear the file system cache on all servers in the server farm on which the Windows SharePoint Services Timer service is running. To do this, follow these steps:

• 　　Stop the Timer service. To do this, follow these steps:
  
  
  
  • 　　Click Start, point to Administrative Tools, and then click Services.
    
  • 　　Right-click Windows SharePoint Services Timer, and then clickStop.
    
  • 　　Close the Services console.
    
  
  
• 　　On the computer that is running Microsoft Office SharePoint Server 2007 and on which the Central Administration site is hosted, clickStart, click Run, typeexplorer, and then press ENTER.
  
• 　　In Windows Explorer, locate and then double-click the following folder:
  　　Drive:\Documents and Settings\All Users\Application Data\Microsoft\SharePoint\Config\GUID
  　　Notes
  

• 　　The Drive placeholder specifies the letter of the drive on which Windows is installed. By default, Windows is installed on drive C.
  
• 　　The GUID placeholder specifies the GUID folder.
  
• 　　The Application Data folder may be hidden. To view the hidden folder, follow these steps:
  
• 　　In Windows Server 2008, the configuration cache is in the following location:
  　　Drive:\ProgramData\Microsoft\SharePoint\Config\GUID
  

• 　　On the Tools menu, click Folder Options.
  
• 　　Click the View tab.
  
• 　　In the Advanced settings list, click Show hidden files and folders under Hidden files and folders, and then clickOK.
  

Back up the Cache.ini file.Delete all the XML configuration files in the GUID folder. Do this so that you can verify that the GUID folder is replaced by new XML configuration files when the cache is rebuilt.Note When you empty the configuration cache in the GUID folder, make sure that you do not delete the GUID folder and the Cache.ini file that is located in the GUID folder.Double-click the Cache.ini file.On the Edit menu, click Select All.On the Edit menu, click Delete.Type 1, and then click Save on the File menu.On the File menu, click Exit.Start the Timer service. To do this, follow these steps:Note The file system cache is re-created after you perform this procedure. Make sure that you perform this procedure on all servers in the server farm.

• 　　Click Start, point to Administrative Tools, and then click Services.
  
• 　　Right-click Windows SharePoint Services Timer, and then clickStart.
  
• 　　Close the Services console.
  

　　http://support.microsoft.com/kb/939308/en-us