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Bug #49004 HTTP 1.1 streams painfully slow
Submitted: 2009-07-21 15:08 UTC Modified: 2010-05-19 16:34 UTC
Votes:1
Avg. Score:4.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: andreas dot streichardt at globalpark dot com Assigned:
Status: Not a bug Package: Streams related
PHP Version: 5.*, 6CVS (2009-07-26) OS: Linux
Private report: No CVE-ID: None
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From: andreas dot streichardt at globalpark dot com
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 [2009-07-21 15:08 UTC] andreas dot streichardt at globalpark dot com
Description:
------------
Whenever i try to fetch a file from my server using http 1.1 PHP takes multiple seconds to load the file. The server is fine. Firefox and curl load it at no time.

i noticed the same behaviour under PHP 5.2.10 (code a bit different as the stream_context_set_default is new. But the result is the same.

When i fetch a bigger file i see readfile() hanging somewhere at 90% of the file but i guess depends on the file ;)

Reproduce code:
---------------
<?php
$default_opts = array(
  'http'=>array(
      'method'=>"GET",
      "protocol_version"=>1.1,
    )
  );

$default = stream_context_set_default($default_opts);
$start=microtime(true);
readfile("http://minsk/~mop/x");
var_dump(microtime(true)-$start);


Expected result:
----------------
Time needed should be <0.01s

Actual result:
--------------
mop@minsk:~$ time curl http://minsk/~mop/x
LINE 0: 00000000000000000000000000000000000000000000000000000000000000000000000000000000

real    0m0.005s
user    0m0.004s
sys     0m0.000s

mop@minsk:~$ php x.php
LINE 0: 00000000000000000000000000000000000000000000000000000000000000000000000000000000
float(6.0235359668732)

Size doesn't matter it seems. It always hangs!

Output of a manual session:

mop@minsk:~$ telnet localhost 80
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
GET /~mop/x HTTP/1.1
Host: minsk
Connection: close

HTTP/1.1 200 OK
Connection: close
Content-Type: application/octet-stream
Accept-Ranges: bytes
Content-Length: 89
Date: Tue, 21 Jul 2009 15:01:37 GMT
Server: lighttpd/1.4.19

LINE 0: 00000000000000000000000000000000000000000000000000000000000000000000000000000000
Connection closed by foreign host.

nothing fancy there :S

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 [2010-05-19 16:34 UTC] mike@php.net
-Status: Verified +Status: Bogus
 [2010-05-19 16:34 UTC] mike@php.net
Add "header" => array("Connection: close") to the context options.
 
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