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From bri...@apache.org
Subject cvs commit: httpd-2.0 STATUS
Date Wed, 31 Jul 2002 05:30:12 GMT
brianp      2002/07/30 22:30:12

  Modified:    .        STATUS
  Log:
  Document the content-length filter performance problems
  
  Revision  Changes    Path
  1.713     +8 -1      httpd-2.0/STATUS
  
  Index: STATUS
  ===================================================================
  RCS file: /home/cvs/httpd-2.0/STATUS,v
  retrieving revision 1.712
  retrieving revision 1.713
  diff -u -r1.712 -r1.713
  --- STATUS	24 Jul 2002 16:55:45 -0000	1.712
  +++ STATUS	31 Jul 2002 05:30:12 -0000	1.713
  @@ -109,6 +109,13 @@
   
   RELEASE NON-SHOWSTOPPERS BUT WOULD BE REAL NICE TO WRAP THESE UP:
   
  +    * Performance problems in the content-length filter:
  +      - In many situations, the C-L filter sets aside buckets
  +        until it sees EOS.  Setting aside file buckets is bad
  +        because it requires an mmap+memcpy+munmap.
  +      - In addition, the C-L filter reads and buffers all the
  +        content from a pipe bucket.
  +
       * All handlers should always send content down even if r->header_only
         is set.  If not, it means that the HEAD requests don't generate the
         same headers as a GET which is wrong.
  
  
  

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