diff --git a/persistence/README b/persistence/README
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--- /dev/null
+++ b/persistence/README
@@ -0,0 +1,5 @@
+Put any file containing persistence definitions here. They will be activated automatically.
+
+Note: Persistence definition files must have the extension '*.persist'
+
+Demo-files can be obtained from the archive 'distribution-demo-*.zip'.
diff --git a/persistence/jpa.persist b/persistence/jpa.persist
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index 0000000..5453ee7
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+++ b/persistence/jpa.persist
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+Strategies {
+        default = everyChange
+}
+
+
+Items {	
+	// persist all items once a day and on every change and restore them from the db at startup
+	* : strategy = everyChange, everyDay, restoreOnStartup
+}
+
diff --git a/persistence/rrd4j.persist b/persistence/rrd4j.persist
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index 0000000..79d1dda
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+++ b/persistence/rrd4j.persist
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+
+Strategies {
+	everyMinute :	"0 * * * * ?"
+	default	= everyChange
+}
+
+
+Items {
+	temperatury* 	:	strategy = everyMinute
+	wifi*		:	strategy = everyMinute
+}