** Changed in: mahara
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1527565
Title:
SSO from moodle locks server 503 php_slow warnings
Status in Mahara:
Invalid
Bug description:
When doing many (15 pupils) simultaneous switches/logins from moodle
to Mahara (Mahoodle installation, 3.0+ and 15.10.1) server locks until
producing a 503 error and logging into php_slow.log:
[16-Dec-2015 08:42:29] [pool e48616] pid 13050
script_filename = /data/web/e48616/html/mahara/htdocs/auth/xmlrpc/land.php
[0x00007f1abf912228] curl_exec()
/data/web/e48616/html/mahara-15.10.1/htdocs/lib/web.php:4224
[0x00007f1abf911f98] mahara_http_request()
/data/web/e48616/html/mahara-15.10.1/htdocs/api/xmlrpc/client.php:55
[0x00007f1abf911b98] send()
/data/web/e48616/html/mahara-15.10.1/htdocs/auth/xmlrpc/lib.php:103
[0x00007f1abf9119d0] request_user_authorise()
/data/web/e48616/html/mahara-15.10.1/htdocs/auth/xmlrpc/land.php:78
These messages are repeated for many processes and make the two pages
(Mahara/Moodle) unavailable for minutes. Most of the time a Apache 503
error ist produced:
83.218.163.159 - - [16/Dec/2015:08:44:06 +0000] mahara.klocker-mark.at
"GET
/auth/xmlrpc/land.php?token=8f469573ff0d075659fe0184f07348dd4722a5e7&idp=http://moodle
.klocker-mark.at&wantsurl= HTTP/1.1" 503 0 "-" "Mozilla/5.0 (Windows
NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko)
Chrome/47.0.2526.80 Safari/537.36"
The system is practically unusable with multiple pupils at the same
time.
I don't know exactly the server versions as I am on a remote server.
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