[GitHub] [trafficserver] cukiernik commented on pull request #8534: TS_USE_MMAP: mmap+memcopy instead pread+pwrite

[GitBox <gi...@apache.org>]

cukiernik commented on pull request #8534:
URL: https://github.com/apache/trafficserver/pull/8534#issuecomment-1011014464


   Hello, after my long holidays.
   @ywkaras: I didn't run the _au test_, because _pip_ and _PyPi_ seem to endanger my system security.
   @keesspoelstra: I was also wondering whether to force _msync_ after each modyfication, using _MS_ASYNC_, a add dedicated thread to _MS_SYNC_. but I couldn't decide on any of the solutions, I will propose a solution without it. **It is not needet to a correcty working**. As I wrote above, I check it with a gigantic amount of RAM, and after modifying the whole cache, _msync MS_SYNC_ takes more than a few minutes.
   In my task, I don't need to store content cache after _shutdown_. In this case, _MAP_ANONYMOUS_ works faster. It is also suggested @SolidWallOfCode, but with _MAP_SHARED_ it's easier to trace and debug for me.


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