Emit query/time for failed and timeout queries

emit query/time metric also

add success flag

fix success flag for router metrics

review comments

formatting.

server/src/main/java/io/druid/server/AsyncQueryForwardingServlet.java

@@ -322,6 +322,7 @@ public class AsyncQueryForwardingServlet extends AsyncProxyServlet
                         requestTime,
                         "success",
                         result.isSucceeded()
+                        && result.getResponse().getStatus() == javax.ws.rs.core.Response.Status.OK.getStatusCode()
                     )
                 )
             )

server/src/main/java/io/druid/server/QueryResource.java

@@ -194,6 +194,7 @@ public class QueryResource
                     final long queryTime = System.currentTimeMillis() - start;
                     emitter.emit(
                         DruidMetrics.makeQueryTimeMetric(jsonMapper, theQuery, req.getRemoteAddr())
+                                    .setDimension("success", "true")
                                     .build("query/time", queryTime)
                     );
                     emitter.emit(
@@ -236,6 +237,12 @@ public class QueryResource
     catch (QueryInterruptedException e) {
       try {
         log.info("%s [%s]", e.getMessage(), queryId);
+        final long queryTime = System.currentTimeMillis() - start;
+        emitter.emit(
+            DruidMetrics.makeQueryTimeMetric(jsonMapper, query, req.getRemoteAddr())
+                        .setDimension("success", "false")
+                        .build("query/time", queryTime)
+        );
         requestLogger.log(
             new RequestLogLine(
                 new DateTime(),
@@ -243,6 +250,8 @@ public class QueryResource
                 query,
                 new QueryStats(
                     ImmutableMap.<String, Object>of(
+                        "query/time",
+                        queryTime,
                         "success",
                         false,
                         "interrupted",
@@ -275,12 +284,25 @@ public class QueryResource
       log.warn(e, "Exception occurred on request [%s]", queryString);
 
       try {
+        final long queryTime = System.currentTimeMillis() - start;
+        emitter.emit(
+            DruidMetrics.makeQueryTimeMetric(jsonMapper, query, req.getRemoteAddr())
+                        .setDimension("success", "false")
+                        .build("query/time", queryTime)
+        );
         requestLogger.log(
             new RequestLogLine(
                 new DateTime(),
                 req.getRemoteAddr(),
                 query,
-                new QueryStats(ImmutableMap.<String, Object>of("success", false, "exception", e.toString()))
+                new QueryStats(ImmutableMap.<String, Object>of(
+                    "query/time",
+                    queryTime,
+                    "success",
+                    false,
+                    "exception",
+                    e.toString()
+                ))
             )
         );
       }