HTTP POST fails with FastCGI timeout after about 35 seconds

Question

User-1993603107 posted

Hi,

We have configured (in PHP.ini):

max_execution_time = 30     ; Maximum execution time of each script, in seconds
max_input_time = 60 ; Maximum amount of time each script may spend parsing request data
memory_limit = 128M      ; Maximum amount of memory a script may consume (128MB)
post_max_size = 51M
upload_max_filesize = 51M

and in FCGIext.ini:

[Types]
PHP=C:\Program Files (x86)\PHP\php-cgi.exe
[C:\Program Files (x86)\PHP\php-cgi.exe]
QueueLength=1000
MaxInstances=8
InstanceTimeout=120
InstanceMaxRequests=200

Using the following test URL:
http://www.anamera.com/upl.htm
we are able to upload a 50 MB file using an Ethernet connection in under 35 seconds. So there is no apparent "size" limit.  However, if we test at slow Internet speeds, then the upload terminates at some point after 35 seconds (up to 75 seconds) with the FastCGI timeout message - even though the timeout value has been set to 120 seconds AND IIS was stopped/restarted after making those changes:

FastCGI Handler Extension

---

Error 0x800703e3 occurred processing request.

The FastCGI process exceeded configured activity timeout

Answer 1

User2020642139 posted

Hi Andy,

You could try the following setting in FCGIext.ini

ActivityTimeout=300

Answer 2

User-1993603107 posted

Thanks Alex - I certainly could try any number, that's why I changed it from 60 to 90 and then 120.

Would you care to elaborate why a timeout of 300 seconds would do what a timeout value of 120 seconds doesn't accomplish? Considering that the upload fails way EARLIER than the 120 seconds that are already configured? In most cases it fails in under 50 seconds?

Here are a round of most recent tests (with the timeout of 120 seconds for FastCGI):

1.320 KB - uploaded OK

2.259 KB - uploaded OK

4.440 KB - FastCGI failure message after 75 (!) seconds

 

2.524 KB - FastCGI failure message after 40 seconds

another try same file

2.524 KB - FastCGI failure message after 45 seconds

 

2.288 KB - uploaded OK

 

another try same 2.524 KB file as before

2.524 KB - FastCGI failure message after 46 seconds

 

another try same 4.440 KB file as before

4.440 KB - FastCGI failure message after 66 seconds

 

another try, same 2.288 KB that uploaded OK before

2.288 KB - FastCGI failure message after 36 seconds

 

Answer 3

User-1993603107 posted

PS:

a few other settings, in case they are relevant:

cgi.check_shebang_line	1	1
cgi.fix_pathinfo	1	1
cgi.force_redirect	0	0
cgi.nph	0	0
cgi.redirect_status_env	no value	no value
cgi.rfc2616_headers	0	0
fastcgi.impersonate	1	1
fastcgi.logging	1	1

Answer 4

User-1993603107 posted

Hi Alex,

I changed it to:

InstanceTimeout=300

and had the staff re-test. It did not improve the amount of time it took before the uploads failed. (If anything, some file sizes that had worked before, were now failing - but that may just be conindicental).

Best Regards,
Andy

Answer 5

User-1993603107 posted

I apologize, I didn't read thoroughly enough.

I had configured the "InstanceTimeout=300" and I only learned today that this documented parameter had apparently been deprecated!

I now noticed that you were referring to the new ActivityTimeout parameter - and, indeed, after setting THAT parameter to 300, it appears as if I'm making progress.

We will do more testing but first results are promising.

Best Regards,

Andy

Answer 6

User-679828332 posted

Hi Andy,

Thanks for reporting this bug! We are currently working on getting a fix out.

The problem is as you suspected: POST data being sent is not currently counting as "activity" for the activityTimeout setting.

Thanks,

Rick.