Add post for November, 2015

Signed-off-by: Alan Orth <alan.orth@gmail.com>

content/post/2015-11.md

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+date = "2015-11-23T17:00:57+03:00"
+author = "Alan Orth"
+title = "November, 2015"
+draft = true
+
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+## 2015-11-22
+
+- CGSpace went down
+- Looks like DSpace exhausted its PostgreSQL connection pool
+- Last week I had increased the limit from 30 to 60, which seemed to help, but now there are many more idle connections:
+
+```
+$ psql -c 'SELECT * from pg_stat_activity;' | grep idle | grep -c cgspace
+78
+```
+
+- For now I have increased the limit from 60 to 90, run updates, and rebooted the server
+
+## 2015-11-24
+
+- CGSpace went down again
+- Getting emails from uptimeRobot and uptimeButler that it's down, and Google Webmaster Tools is sending emails that there is an increase in crawl errors
+- Looks like there are still a bunch of idle PostgreSQL connections:
+
+```
+$ psql -c 'SELECT * from pg_stat_activity;' | grep idle | grep -c cgspace
+96
+```
+
+- For some reason the number of idle connections is very high since we upgraded to DSpace 5