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From Stefan Eissing <stefan.eiss...@greenbytes.de>
Subject Re: svn commit: r1717970 - /httpd/test/mod_h2/trunk/test/test_window_update.sh
Date Fri, 04 Dec 2015 20:51:31 GMT
I can certainly try more scenarios. The ones there in the tests reflect the problems I have
seen and verify the fixes I did.

If you have a h2load scenario that reproduces what you see, that could be very helpful. Alternatively,
what would I have to do to run your test on my machine?

> Am 04.12.2015 um 18:55 schrieb Bert Huijben <bert@qqmail.nl>:
> 
> 
> 
>> -----Original Message-----
>> From: Bert Huijben [mailto:bert@qqmail.nl]
>> Sent: vrijdag 4 december 2015 18:51
>> To: dev@httpd.apache.org
>> Subject: RE: svn commit: r1717970 -
>> /httpd/test/mod_h2/trunk/test/test_window_update.sh
>> 
>> 
>> 
>>> -----Original Message-----
>>> From: icing@apache.org [mailto:icing@apache.org]
>>> Sent: vrijdag 4 december 2015 15:26
>>> To: cvs@httpd.apache.org
>>> Subject: svn commit: r1717970 -
>>> /httpd/test/mod_h2/trunk/test/test_window_update.sh
>>> 
>>> Author: icing
>>> Date: Fri Dec  4 14:25:53 2015
>>> New Revision: 1717970
>>> 
>>> URL: http://svn.apache.org/viewvc?rev=1717970&view=rev
>>> Log:
>>> adding to window_update tests to verify connection window exhaustion
>> (or
>>> lack of it)
>>> 
>>> Modified:
>>>    httpd/test/mod_h2/trunk/test/test_window_update.sh
>>> 
>>> Modified: httpd/test/mod_h2/trunk/test/test_window_update.sh
>>> URL:
>> http://svn.apache.org/viewvc/httpd/test/mod_h2/trunk/test/test_window
>>> _update.sh?rev=1717970&r1=1717969&r2=1717970&view=diff
>> ==========================================================
>>> ====================
>>> --- httpd/test/mod_h2/trunk/test/test_window_update.sh (original)
>>> +++ httpd/test/mod_h2/trunk/test/test_window_update.sh Fri Dec  4
>>> 14:25:53 2015
>>> @@ -34,19 +34,18 @@ fi
>>> # test if small uploads trigger window_udpate(s) and do not let connection
>>> # windows shrink to 0.
>>> #
>>> -echo -n "POSTing 10 x 10k to server, MUST not hang"
>>> +echo -n "POSTing 10 x 10k, m=1"
>>> ${H2LOAD} -p h2c -c 1 -t 1 -m 1 -n 10 -d $GEN/data-10k ${URL_PREFIX} |
>>> -while read line; do echo -n "."; done
>>> -echo "ok."
>>> +while read line; do echo -n "."; done; echo "ok."
>>> 
>>> -echo -n "POSTing 10 x 100k to server, which are READ by app"
>>> -${H2LOAD} -p h2c -c 1 -t 1 -m 1 -n 100 -d $GEN/data-100k
>>> ${URL_PREFIX}/upload.py |
>>> -while read line; do echo -n "."; done
>>> -echo "ok."
>>> +echo -n "POSTing 1000 x 1k, m=100"
>>> +${H2LOAD} -p h2c -c 1 -t 1 -m 100 -n 1000 -d $GEN/data-1k ${URL_PREFIX}
>> |
>>> +while read line; do echo -n "."; done; echo "ok."
>>> 
>>> -# FIXME: this does not work reliably for n >= 100
>>> -#
>>> -#echo -n "POSTing 10 x 100k to server, which are NOTREAD by app"
>>> -#${H2LOAD} -p h2c -c 1 -t 1 -m 1 -n 10 -d $GEN/data-100k ${URL_PREFIX} |
>>> -#while read line; do echo -n "."; done
>>> -#echo "ok."
>>> \ No newline at end of file
>>> +echo -n "POSTing 100 x 100k, m=5, READ"
>>> +${H2LOAD} -p h2c -c 1 -t 1 -m 5 -n 100 -d $GEN/data-100k
>>> ${URL_PREFIX}/upload.py |
>>> +while read line; do echo -n "."; done; echo "ok."
>>> +
>>> +echo -n "POSTing 100 x 100k, m=50, NOT READ explicitly"
>>> +${H2LOAD} -p h2c -c 1 -t 1 -m 50 -n 100 -d $GEN/data-100k ${URL_PREFIX}
>> |
>>> +while read line; do echo -n "."; done; echo "ok."
>> 
>> 
>> The Subversion test I try is more like sending 2000 requests of 100 bytes over
>> a single connection.
> 
> And most likely (in this test) Subversion still waits for every request to be handled
before sending out the next request.
> 
> Perhaps it sends two requests at once, but it is unlikely to have more requests in flight
during this test than this.
> 
> (In update/checkout scenarios it can have many more... but not in the failing test)
> 
>    Bert
> 

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