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[eclipse-dev] Excessive file operations on shutdown

I20030129 was taking a while to shut down so I started up the sysinternals file monitor on Windows XP. The biggest block of file operations was approximately 23,000 lines like the following. Does anyone understand what it's doing here, or have looked into cutting down on it? It took about a minute to shut down completely.

0.00061820  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS  Attributes: Any Options: Open    
0.00000071  javaw.exe:1104 FASTIO_QUERY_BASIC_INFO U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   FAILURE     
0.00047476  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS  FileBasicInformation 
0.00002434  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS     
0.00003968  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS     
0.00057106  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS  Attributes: Any Options: Open Directory   
0.01838921  javaw.exe:1104 IRP_MJ_DIRECTORY_CONTROL   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS  FileBothDirectoryInformation: *  
0.00007780  javaw.exe:1104 IRP_MJ_DIRECTORY_CONTROL   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS  FileBothDirectoryInformation  
0.00002958  javaw.exe:1104 IRP_MJ_DIRECTORY_CONTROL   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  NO MORE FILES  FileBothDirectoryInformation  
0.00002620  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS     
0.00004617  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS     
0.01530094  javaw.exe:1104 IRP_MJ_READ*   C:\Program Files\eclipse\plugins\org.eclipse.core.resources.win32_2.1.0\os\win32\x86\core_2_0_5.dll   SUCCESS  Offset: 0 Length: 4096  
0.00086700  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  Attributes: Any Options: Open    
0.00000082  javaw.exe:1104 FASTIO_QUERY_BASIC_INFO U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   FAILURE     
0.00049059  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  FileBasicInformation 
0.00004695  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00004647  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00077375  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  Attributes: Any Options: Open    
0.00041744  javaw.exe:1104 IRP_MJ_SET_INFORMATION  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  FileBasicInformation 
0.00003948  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00032040  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00064810  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  Attributes: Any Options: Open    
0.00037581  javaw.exe:1104 IRP_MJ_SET_INFORMATION  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  FileBasicInformation 
0.00003680  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00030868  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00060692  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  Attributes: Any Options: Open    
0.00000081  javaw.exe:1104 FASTIO_QUERY_BASIC_INFO U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   FAILURE     
0.00047556  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  FileBasicInformation 
0.00004308  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00004047  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00061643  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  Attributes: Any Options: Open    
0.00004107  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  FileObjectIdInformation 
0.00068821  javaw.exe:1104 IRP_MJ_SET_INFORMATION  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS  FileDispositionInformation 
0.00004274  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00007498  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\508489770934001711c4910148426ea7   SUCCESS     
0.00064412  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS  Attributes: Any Options: Open    
0.00000097  javaw.exe:1104 FASTIO_QUERY_BASIC_INFO U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   FAILURE     
0.00043663  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS  FileBasicInformation 
0.00003203  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS     
0.00003902  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS     
0.00057907  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS  Attributes: Any Options: Open    
0.00000071  javaw.exe:1104 FASTIO_QUERY_BASIC_INFO U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   FAILURE     
0.00043311  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS  FileBasicInformation 
0.00002280  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS     
0.00004668  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea   SUCCESS     
0.00057809  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS  Attributes: Any Options: Open Directory   
0.00065270  javaw.exe:1104 IRP_MJ_DIRECTORY_CONTROL   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS  FileBothDirectoryInformation: *  
0.00004272  javaw.exe:1104 IRP_MJ_DIRECTORY_CONTROL   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS  FileBothDirectoryInformation  
0.00002972  javaw.exe:1104 IRP_MJ_DIRECTORY_CONTROL   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  NO MORE FILES  FileBothDirectoryInformation  
0.00002426  javaw.exe:1104 IRP_MJ_CLEANUP U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS     
0.00004028  javaw.exe:1104 IRP_MJ_CLOSE   U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\  SUCCESS     
0.00065253  javaw.exe:1104 IRP_MJ_CREATE  U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\50b8157b0934001711c4910148426ea7   SUCCESS  Attributes: Any Options: Open    
0.00000121  javaw.exe:1104 FASTIO_QUERY_BASIC_INFO U:\workspace.metadata\.plugins\org.eclipse.core.resources\.history\ea\50b8157b0934001711c4910148426ea7   FAILURE     
... etc ...
0.00128445  javaw.exe:1104 IRP_MJ_READ    U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  Offset: 66560 Length: 8192 
0.00000251  javaw.exe:1104 FASTIO_QUERY_STANDARD_INFO U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   FAILURE     
0.00040625  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  FileStandardInformation 
0.00125257  javaw.exe:1104 IRP_MJ_READ    U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  Offset: 66560 Length: 8192 
0.00000156  javaw.exe:1104 FASTIO_QUERY_STANDARD_INFO U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   FAILURE     
0.00033476  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  FileStandardInformation 
0.00124957  javaw.exe:1104 IRP_MJ_READ    U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  Offset: 82944 Length: 8192 
0.00000113  javaw.exe:1104 FASTIO_QUERY_STANDARD_INFO U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   FAILURE     
0.00032929  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  FileStandardInformation 
0.00123545  javaw.exe:1104 IRP_MJ_READ    U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  Offset: 66560 Length: 8192 
0.00000091  javaw.exe:1104 FASTIO_QUERY_STANDARD_INFO U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   FAILURE     
0.00034110  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  FileStandardInformation 
0.00123875  javaw.exe:1104 IRP_MJ_READ    U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  Offset: 66560 Length: 8192 
0.00000104  javaw.exe:1104 FASTIO_QUERY_STANDARD_INFO U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   FAILURE     
0.00033853  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  FileStandardInformation 
0.00170295  javaw.exe:1104 IRP_MJ_READ    U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  Offset: 66560 Length: 8192 
0.00000105  javaw.exe:1104 FASTIO_QUERY_STANDARD_INFO U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   FAILURE     
0.00035747  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  FileStandardInformation 
0.00123898  javaw.exe:1104 IRP_MJ_READ    U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  Offset: 66560 Length: 8192 
0.00000128  javaw.exe:1104 FASTIO_QUERY_STANDARD_INFO U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   FAILURE     
0.00034304  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  FileStandardInformation 
0.00126726  javaw.exe:1104 IRP_MJ_READ    U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  Offset: 66560 Length: 8192 
0.00000306  javaw.exe:1104 FASTIO_QUERY_STANDARD_INFO U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   FAILURE     
0.00037674  javaw.exe:1104 IRP_MJ_QUERY_INFORMATION   U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  FileStandardInformation 
0.00124928  javaw.exe:1104 IRP_MJ_READ    U:\workspace\.metadata\.plugins\org.eclipse.core.resources\.history\.index   SUCCESS  Offset: 66560 Length: 8192 
... etc ...