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Optimized View Rebuild without view_rebuild_dir completely in RAM

Today you have to specify a view_rebuild_dir to get optimized view rebuild.
With 64bit it should be perfectly OK to have the complete processing in memory without a temp-file.
When you look into the usage of the view_rebuild_dir (which we move to tmpfs on Linux for better performance) the usage is quite low.

But you have to provide much more "disk" space because Domino uses an estimated size for the space that is too high in some cases. So you need more space to avoid a fallback to the slower view update method.

The new idea is to have the whole processing in memory now that Domino 10 is 64bit only

Daniel Nashed  [ https://blog.nashcom.de ]

  • Avatar32.5fb70cce7410889e661286fd7f1897de Guest
  • Jul 17 2018
  • Likely to implement
  • Attach files
  • Avatar40.8f183f721a2c86cd98fddbbe6dc46ec9
    Guest commented
    5 Nov, 2018 10:55am


  • Avatar40.8f183f721a2c86cd98fddbbe6dc46ec9
    Guest commented
    16 Aug, 2018 10:40am

    I think on Windows this is not necessary as long as the temp file is created properly with the right flags set:

    256 (0x100)
    The file is being used for temporary storage.

    For more information, see the Caching Behavior section of this topic.

    This causes Windows to keep changes to the file as long as possible in Cache, postponoing any writes as long as possible. This is more flexible than using RAM only. 

    I however suspect current Domino does not use the right attribute settings for view rebuils.

    Regards, Friedhelm Klein, Axians IT Solutions

  • Avatar40.8f183f721a2c86cd98fddbbe6dc46ec9
    Guest commented
    6 Aug, 2018 08:48am

    In 2010 we dramatically improved performance of our Domino servers on Linux by moving view rebuild operations to RAM disk.