I've been informed by my host of a temporary block on my

I've been informed by my host of a temporary block on my account due to overuse by one of the scripts.

After looking at the log, it seems to be caused by the WP Chat plugin.

Here's what they sent me.

You can see calls to wpmudev-chat-ajax.php all the way down.

Any feedback is greatly appreciated.

CPU seconds used in the past hour: 2517.60999999999, 70% CPU

Tue Jul 30 18:01:31 CDT 2013
Running Processes:
jmoya24 22940 3.0 0.2 355352 91828 ? RN 18:00 0:01 /usr/bin/php /home1/jmoya24/public_html/sohcio.com/wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
jmoya24 22985 3.1 0.2 350668 89152 ? RN 18:00 0:01 /usr/bin/php /home1/jmoya24/public_html/sohcio.com/wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
jmoya24 22986 3.1 0.2 350416 88712 ? RN 18:00 0:01 /usr/bin/php /home1/jmoya24/public_html/sohcio.com/wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
jmoya24 23065 2.8 0.2 351720 89976 ? RN 18:00 0:00 /usr/bin/php /home1/jmoya24/public_html/sohcio.com/wp-admin/admin-ajax.php
jmoya24 25879 21.0 0.0 282160 20396 ? RN 18:01 0:00 /usr/bin/php /home1/jmoya24/public_html/sohcio.com/wp-cron.php

Then, in open connections, I see the following:

Open connections

Current Site Requests:
192.232.249.13 sohcio.blogswho.com /wp-cron.php?doing_wp_cron=1375225289.90460300445556640625
192.232.249.13 sohcio.blogswho.com /wp-cron.php?doing_wp_cron=1375225289.90460300445556640625
50.143.71.167 sohcio.blogswho.com /wp-admin/admin-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-admin/admin-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php
50.143.71.167 sohcio.blogswho.com /wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php