Update notes for 2020-04-30

content/posts/2020-04.md

@@ -473,5 +473,31 @@ $ curl -s "http://localhost:8081/solr/statistics/update?softCommit=true" -H "Con
 ```
 
 - Run all system updates on DSpace Test and reboot it
+- Tezira is still having issue submitting to CGSpace and the database is definitely busy according to Munin:
+
+![Tomcat postgres connections week](/cgspace-notes/2020/04/postgres_connections_cgspace-week.png)
+
+- But I don't see a lot of connections in PostgreSQL itself:
+
+```
+$ psql -c 'select * from pg_stat_activity' | grep -o -E '(dspaceWeb|dspaceApi|dspaceCli)' | sort | uniq -c
+      5 dspaceApi
+      6 dspaceCli
+     14 dspaceWeb
+$ psql -c 'select * from pg_stat_activity' | wc -l
+30
+```
+
+- Tezira said she cleared her browser cache and then was able to submit again
+  - She said once she logged back in she had very many "Untitled" submissions pending
+  - I see that the database connections are indeed much lower now:
+
+![Tomcat postgres connections week](/cgspace-notes/2020/04/postgres_connections_cgspace-day.png)
+
+- The PostgreSQL log shows a lot of errors about deadlocks and queries waiting on other processes...
+
+```
+ERROR:  deadlock detected
+```
 
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