rrs-commit: r9 - trunk

decibel at decibel.org decibel at decibel.org
Mon Jan 17 22:36:54 GMT 2005

Author: decibel
Date: Mon Jan 17 22:36:52 2005
New Revision: 9

Add section on troubleshooting

Modified: trunk/README
--- trunk/README	(original)
+++ trunk/README	Mon Jan 17 22:36:52 2005
@@ -67,3 +67,18 @@
 I've ommitted the details of how data is grouped into time buckets from the
 SELECT statements, but that is part of the code that isn't configurable. 
+If it's taking a long time to run update(), you've probably run into a
+configuration problem of some sort. These steps will help identify the issue:
+SET client_min_messages = debug;
+SELECT update_buckets(); -- This adds all the buckets. It typically runs OK
+SELECT update();
+By changing client_min_messages, you'll now have the actual queries that RRS is
+running against the system. You should take the last one displayed (the one
+that's taking a long time), and do an EXPLAIN on it.

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