Change default values for window,n and exporter (#196)

Signed-off-by: Siddhant Deshmukh <deshsid@amazon.com>

Author: deshsidd

src/main/java/org/opensearch/plugin/insights/settings/QueryInsightsSettings.java

@@ -62,9 +62,9 @@ public class QueryInsightsSettings {
     /** Default N size for top N queries */
     public static final int MAX_N_SIZE = 100;
     /** Default window size in seconds to keep the top N queries with latency data in query insight store */
-    public static final TimeValue DEFAULT_WINDOW_SIZE = new TimeValue(1, TimeUnit.MINUTES);
+    public static final TimeValue DEFAULT_WINDOW_SIZE = new TimeValue(5, TimeUnit.MINUTES);
     /** Default top N size to keep the data in query insight store */
-    public static final int DEFAULT_TOP_N_SIZE = 3;
+    public static final int DEFAULT_TOP_N_SIZE = 10;
     /**
      * Query Insights base uri
      */