Added MapDP perf test groovy script

tools_scripts/lab/mapDbTest.groovy

@@ -0,0 +1,49 @@
+@Grab(group='org.mapdb', module='mapdb', version='1.0.8')
+import org.mapdb.DB
+import org.mapdb.DBMaker
+
+def fileName = "mapdbtest.mapdb"
+if (args.size() == 1) {
+    fileName = args[1]
+}
+File tmpFile = new File(fileName)
+// create/get the map named "data"
+tmpFile.createNewFile()
+DB db = DBMaker.newFileDB(tmpFile).make()
+Map map = db.getHashMap("data")
+
+numMessages = 1000000
+
+println "Created store and starting"
+long start = System.currentTimeMillis()
+(1..numMessages).each {
+    String randomContent = UUID.randomUUID().toString()
+    // add and read some data
+    map.put(it, randomContent)
+}
+// close the store (this will persist changes)
+db.commit()
+db.close()
+long stop = System.currentTimeMillis()
+long contentSize = UUID.randomUUID().toString().bytes.length
+println "Wrote $numMessages keys, ${numMessages * contentSize} bytes in ${stop - start} ms"
+def writeSpeed = (numMessages * contentSize)/((stop - start)/ 1000)
+println "Speed is: $writeSpeed byte/sec"
+
+
+
+//The read part
+db = DBMaker.newFileDB(tmpFile).make()
+map = db.getHashMap("data")
+//read now 10M keys
+start = System.currentTimeMillis()
+(1..numMessages).each {
+    int key = (int) Math.floor(Math.random() * numMessages) + 1
+    // add and read some data
+    String randomContent = map.get(key)
+}
+
+stop = System.currentTimeMillis()
+println "Read $numMessages keys, ${numMessages * contentSize} bytes in ${stop - start} ms"
+def readSpeed = (numMessages * contentSize)/((stop - start)/ 1000)
+println "Read speed is: $readSpeed byte/sec"