Changes between Initial Version and Version 1 of Ticket #4918, comment 1


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Timestamp:
May 27, 2012, 4:00:53 PM (9 years ago)
Author:
gvdl
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  • Ticket #4918, comment 1

    initial v1  
    1 I was on the discussion. Although I won't commit that this should make the performance increase in all circumstances the disabling the filesystem caching for media files is generally a good idea. Everything depends on how good the internal seeding cache is. In any case the use of FNOCACHE and the Linux/*BSD equivalent is probably worth while.
     1I was on the discussion. Although I won't commit that this should make the performance increase in all circumstances the disabling the filesystem caching for media files is generally a good idea. Everything depends on how good the internal seeding cache is. In any case the use of FNOCACHE and the Linux(posix_fadvise:POSIX_FADV_DONTNEED)/*BSD (fadvise:FADV_DONTNEED) is probably worth while. They also seem to be available through glibc
     2
     3See also [http://static.usenix.org/event/lisa07/tech/full_papers/plonka/plonka_html Application buffer caching paper].
    24
    35It should be optional though, controlled by a config setting.