I did a pressture test. use apache ab tool and use 100k time in total and 150 Concurrent Connections. And then I visited the piwik page, getting the message below.
Live visitors!
Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 71 bytes) in /data0/htdocs/www/piwik/piwik/core/DataTable.php on line 1010
Is there anyone could tell me what happend?