new alert rule for jvm added

alerts/new_jvm_alert.jsonnet

@@ -12,7 +12,7 @@ local my_alert_condition_A = alert_model_data.new(
   reducerType='last',
 );
 
-local uid = 12001211001;
+local uid = 12112001;
 
 
 local my_alert_condition_B = alert_model_data.new(
@@ -33,7 +33,7 @@ alert_test.new(
   orgID=1,
   folderUID='ab_xyz1234',
   ruleGroup='my_alert-group',
-  title='alert_my_demo',
+  title='alert_jvm_demo',
   condition='C',
   updated='2023-04-09T15:52:13+05:00',
   noDataState='NoData',
@@ -51,7 +51,7 @@ alert_test.new(
     to=0,
     datasourceUid='Dxn-4VYVk',
     editorMode='code',
-    expr='jvm_threads_states_threads{state="runnable"}',
+    expr='jvm_memory_max_bytes{job="prometheus", id="G1 Old Gen"}',
     hide='false',
     intervalMs=2000,
     legendFormat='__auto',
@@ -86,5 +86,5 @@ alert_test.new(
     modelCondition=my_alert_condition_B
   )
 ) + {
-  'for': '1m',
+  'for': '2m',
 }