AMBARI-496. Ganglia graphs have labels/content that are not meaningful (Contributed by Suhas)

git-svn-id: https://svn.apache.org/repos/asf/incubator/ambari/branches/ambari-186@1347332 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -6,6 +6,8 @@ characters wide.
 
 Release 0.1.x - unreleased
 
+  AMBARI-496. Ganglia graphs have labels/content that are not meaningful (Suhas via Vikram)
+
   AMBARI-494. Fix node assignments not not allow slaves on master. (Mahadev via Vikram)
 
   AMBARI-493. Add rack_info as column in Hosts table (Hitesh via Vikram)

hmc/php/frontend/addNodes/finalizeNodes.php

@@ -38,6 +38,7 @@ function ping($host,$port=8139,$timeout=10, &$errstr, &$errno)
   }
   else
   {
+    fclose($fsock);
     return TRUE;
   }
 }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_hlog_report.json

@@ -0,0 +1,10 @@
+{
+   "report_name" : "hbase_hlog_report",
+   "report_type" : "standard",
+   "title" : "Avg Time in HLog file split",
+   "vertical_label" : "Milliseconds",
+   "series" : [
+      { "metric": "hbase.master.splitTime_avg_time", "color": "ff0000", "label": "Average Time", 
+        "line_width": "2", "type": "stack" }
+   ]
+}

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_hlog_split_size_report.json

@@ -0,0 +1,10 @@
+{
+   "report_name" : "hlog_split_size_report",
+   "report_type" : "standard",
+   "title" : "Avg HLog split file size",
+   "vertical_label" : "Bytes",
+   "series" : [
+      { "metric": "hbase.master.splitSize_avg_time", "color": "ff0000", "label": "Avg Split Size", 
+        "line_width": "2", "type": "stack" }
+   ]
+}

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_master_cluster_requests_report.json

@@ -1,8 +1,8 @@
 {
    "report_name" : "hbase_master_cluster_requests_report",
    "report_type" : "standard",
-   "title" : "HBase Master Cluster Requests",
-   "vertical_label" : "Number Of Requests",
+   "title" : "Cluster Requests",
+   "vertical_label" : "Request count",
    "series" : [
       { "metric": "hbase.master.cluster_requests", "color": "ff0000", "label": "Cluster Requests", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_regionserver_compaction_queue_size_report.json

@@ -0,0 +1,10 @@
+{
+   "report_name" : "hbase_regionserver_compaction_queue_size_report",
+   "report_type" : "standard",
+   "title" : "Total Compaction Queue Size",
+   "vertical_label" : "Queue Size",
+   "series" : [
+      { "metric": "hbase.regionserver.compactionQueueSize", "color": "ff0000", "label": "Compaction Queue Size", 
+        "line_width": "2", "type": "line" }
+   ]
+}

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_regionserver_flush_queue_size_report.json

@@ -0,0 +1,10 @@
+{
+   "report_name" : "hbase_regionserver_flush_queue_size_report",
+   "report_type" : "standard",
+   "title" : "Total flush Queue size",
+   "vertical_label" : "Queue Size",
+   "series" : [
+      { "metric": "hbase.regionserver.flushQueueSize", "color": "ff0000", "label": "flushQueueSize", 
+        "line_width": "2", "type": "line" }
+   ]
+}

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_regionserver_fs_read_latency_report.json

@@ -1,8 +1,8 @@
 {
    "report_name" : "hbase_regionserver_fs_read_latency_report",
    "report_type" : "standard",
-   "title" : "HBase Region Server Filesystem Read Latency",
-   "vertical_label" : "Seconds",
+   "title" : "Region Server FS Read Latency",
+   "vertical_label" : "Milliseconds",
    "series" : [
       { "metric": "hbase.regionserver.fsReadLatency_avg_time", "color": "ff0000", "label": "Read Latency", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_regionserver_fs_write_latency_report.json

@@ -1,8 +1,8 @@
 {
    "report_name" : "hbase_regionserver_fs_write_latency_report",
    "report_type" : "standard",
-   "title" : "HBase Region Server Filesystem Write Latency",
-   "vertical_label" : "Seconds",
+   "title" : "Region Server FS Write Latency",
+   "vertical_label" : "Milliseconds",
    "series" : [
       { "metric": "hbase.regionserver.fsWriteLatency_avg_time", "color": "ff0000", "label": "Write Latency", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_regionserver_read_requests_report.json

@@ -1,8 +1,8 @@
 {
    "report_name" : "hbase_regionserver_read_requests_report",
    "report_type" : "standard",
-   "title" : "HBase Region Server Read Requests",
-   "vertical_label" : "Number Of Requests",
+   "title" : "Region Server Read Requests",
+   "vertical_label" : "Request count",
    "series" : [
       { "metric": "hbase.regionserver.readRequestsCount", "color": "ff0000", "label": "Read Requests", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_regionserver_regions_report.json

@@ -1,8 +1,8 @@
 {
    "report_name" : "hbase_regionserver_regions_report",
    "report_type" : "standard",
-   "title" : "Number Of Regions Per HBase Region Server",
-   "vertical_label" : "Number Of Regions",
+   "title" : "Total Cluster Regions",
+   "vertical_label" : "Region count",
    "series" : [
       { "metric": "hbase.regionserver.regions", "color": "ff0000", "label": "Regions", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hbase_regionserver_write_requests_report.json

@@ -1,8 +1,8 @@
 {
    "report_name" : "hbase_regionserver_write_requests_report",
    "report_type" : "standard",
-   "title" : "HBase Region Server Write Requests",
-   "vertical_label" : "Number Of Requests",
+   "title" : "Region Server Write Requests",
+   "vertical_label" : "Request count",
    "series" : [
       { "metric": "hbase.regionserver.writeRequestsCount", "color": "ff0000", "label": "Write Requests", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hdfs_io_report.json

@@ -4,7 +4,7 @@
    "title" : "HDFS I/O",
    "vertical_label" : "Bytes/Sec",
    "series" : [
-      { "metric": "dfs.datanode.bytes_written", "color": "ff0000", "label": "Bytes Written", "line_width": "2", "type": "line" },
-      { "metric": "dfs.datanode.bytes_read", "color": "0000ff", "label": "Bytes Read", "line_width": "2", "type": "line" }
+      { "metric": "dfs.datanode.bytes_written", "color": "ff0000", "label": "Bytes Written/Sec", "line_width": "2", "type": "line" },
+      { "metric": "dfs.datanode.bytes_read", "color": "0000ff", "label": "Bytes Read/Sec", "line_width": "2", "type": "line" }
    ]
 }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hdfs_ops_report.json

@@ -1,8 +1,8 @@
 {
    "report_name" : "hdfs_ops_report",
    "report_type" : "standard",
-   "title" : "HDFS Operations Count",
-   "vertical_label" : "Number Of Ops",
+   "title" : "HDFS Operations",
+   "vertical_label" : "Operations/Sec",
    "series" : [
       { "metric": "dfs.namenode.CreateFileOps", "color": "00ff00", "label": "File Creation", 
         "line_width": "2", "type": "stack" },

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hdfs_pending_replication_blocks_report.json

@@ -2,7 +2,7 @@
    "report_name" : "hdfs_pending_replication_blocks_report",
    "report_type" : "standard",
    "title" : "HDFS Blocks Pending Replication",
-   "vertical_label" : "Number Of Blocks",
+   "vertical_label" : "Block count",
    "series" : [
       { "metric": "dfs.FSNamesystem.PendingReplicationBlocks", "color": "ff0000", "label": "Blocks Pending Replication", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_hdfs_under_replicated_blocks_report.json

@@ -2,7 +2,7 @@
    "report_name" : "hdfs_under_replicated_blocks_report",
    "report_type" : "standard",
    "title" : "HDFS Under-Replicated Blocks",
-   "vertical_label" : "Number Of Blocks",
+   "vertical_label" : "Block Count",
    "series" : [
       { "metric": "dfs.FSNamesystem.UnderReplicatedBlocks", "color": "ff0000", "label": "Under-Replicated Blocks", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_jobtracker_heartbeats_report.json

@@ -2,9 +2,9 @@
    "report_name" : "jobtracker_heartbeats_report",
    "report_type" : "standard",
    "title" : "JobTracker Heartbeats",
-   "vertical_label" : "Number Of Heartbeats",
+   "vertical_label" : "Heartbeats/Sec",
    "series" : [
-      { "metric": "mapred.jobtracker.heartbeats", "color": "ff0000", "label": "JobTracker Heartbeats", 
+      { "metric": "mapred.jobtracker.heartbeats", "color": "ff0000", "label": "Heartbeats/Sec", 
         "line_width": "2", "type": "line" }
    ]
 }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_jobtracker_jobs_completed_report.json

@@ -1,8 +1,8 @@
 {
    "report_name" : "jobtracker_jobs_completed_report",
    "report_type" : "standard",
-   "title" : "Jobs Completed",
-   "vertical_label" : "Number Of Jobs",
+   "title" : "Jobs Completion rate",
+   "vertical_label" : "Jobs/Sec",
    "series" : [
       { "metric": "mapred.jobtracker.jobs_completed", "color": "ff0000", "label": "Jobs Completed", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_jobtracker_jobs_failed_report.json

@@ -1,10 +1,10 @@
 {
    "report_name" : "jobtracker_jobs_failed_report",
    "report_type" : "standard",
-   "title" : "Jobs Failed",
-   "vertical_label" : "Number Of Jobs",
+   "title" : "Jobs Failure rate",
+   "vertical_label" : "Jobs/Sec",
    "series" : [
-      { "metric": "mapred.jobtracker.jobs_failed", "color": "ff0000", "label": "Jobs Failed", 
+      { "metric": "mapred.jobtracker.jobs_failed", "color": "ff0000", "label": "Failed Jobs/Sec", 
         "line_width": "2", "type": "line" }
    ]
 }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_jobtracker_jobs_submitted_report.json

@@ -1,10 +1,10 @@
 {
    "report_name" : "jobtracker_jobs_submitted_report",
    "report_type" : "standard",
-   "title" : "Jobs Submitted",
-   "vertical_label" : "Number Of Jobs",
+   "title" : "Jobs Submission rate",
+   "vertical_label" : "Jobs/Sec",
    "series" : [
-      { "metric": "mapred.jobtracker.jobs_submitted", "color": "ff0000", "label": "Jobs Submitted", 
+      { "metric": "mapred.jobtracker.jobs_submitted", "color": "ff0000", "label": "Submitted Jobs/Sec", 
         "line_width": "2", "type": "line" }
    ]
 }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_jobtracker_map_slot_report.json

@@ -2,13 +2,13 @@
    "report_name" : "jobtracker_map_slot_report",
    "report_type" : "standard",
    "title" : "Map Slot Utilization",
-   "vertical_label" : "Number Of Slots",
+   "vertical_label" : "Slots",
    "series" : [
-      { "metric": "mapred.jobtracker.map_slots", "color": "ff0000", "label": "Total Map Slots", 
+      { "metric": "mapred.jobtracker.map_slots", "color": "ff0000", "label": "Total", 
         "line_width": "2", "type": "line" },
-      { "metric": "mapred.jobtracker.occupied_map_slots", "color": "ff6ca9", "label": "Occupied Map Slots",
+      { "metric": "mapred.jobtracker.occupied_map_slots", "color": "ff6ca9", "label": "Occupied",
         "line_width": "2", "type": "stack" },
-      { "metric": "mapred.jobtracker.reserved_map_slots", "color": "ff6600", "label": "Reserved Map Slots",
+      { "metric": "mapred.jobtracker.reserved_map_slots", "color": "ff6600", "label": "Reserved",
         "line_width": "2", "type": "stack" }
    ]
 }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_jobtracker_mapreduce_report.json

@@ -2,7 +2,7 @@
    "report_name" : "jobtracker_mapreduce_report",
    "report_type" : "standard",
    "title" : "Waiting Map/Reduce tasks",
-   "vertical_label" : "Number of Tasks",
+   "vertical_label" : "Tasks",
    "series" : [
       { "metric": "mapred.jobtracker.waiting_maps", "color": "ff0000", "label": "Waiting Maps", 
         "line_width": "2", "type": "stack" },

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_jobtracker_reduce_slot_report.json

@@ -2,13 +2,13 @@
    "report_name" : "jobtracker_reduce_slot_report",
    "report_type" : "standard",
    "title" : "Reduce Slot Utilization",
-   "vertical_label" : "Number Of Slots",
+   "vertical_label" : "Slots",
    "series" : [
-      { "metric": "mapred.jobtracker.reduce_slots", "color": "0000ff", "label": "Total Reduce Slots", 
+      { "metric": "mapred.jobtracker.reduce_slots", "color": "0000ff", "label": "Total", 
         "line_width": "2", "type": "line" },
-      { "metric": "mapred.jobtracker.occupied_reduce_slots", "color": "06f7ff", "label": "Occupied Reduce Slots", 
+      { "metric": "mapred.jobtracker.occupied_reduce_slots", "color": "06f7ff", "label": "Occupied", 
         "line_width": "2", "type": "stack" },
-      { "metric": "mapred.jobtracker.reserved_reduce_slots", "color": "009999", "label": "Reserved Reduce Slots",
+      { "metric": "mapred.jobtracker.reserved_reduce_slots", "color": "009999", "label": "Reserved",
         "line_width": "2", "type": "stack" }
    ]
 }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_jvm_gc_report.json

@@ -1,7 +1,7 @@
 {
    "report_name" : "jvm_gc_report",
    "report_type" : "standard",
-   "title" : "JVM Garbage Collection Stats",
+   "title" : "Time spent in Garbage Collection",
    "vertical_label" : "Milliseconds",
    "series" : [
       { "metric": "jvm.metrics.gcTimeMillis", "color": "ff0000", "label": "Time Spent", 

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_rpc_queue_time_num_ops_report.json

@@ -2,7 +2,7 @@
    "report_name" : "rpc_queue_time_num_ops_report",
    "report_type" : "standard",
    "title" : "Average RPC Operations",
-   "vertical_label" : "Number Of Operations",
+   "vertical_label" : "Operations/Sec",
    "series" : [
       { "metric": "rpc.rpc.RpcQueueTime_num_ops", "color": "ff0000", "label": "Avg RPC Ops", 
         "line_width": "2", "type": "line" }

mon_dashboard/src/addOns/ganglia/graph.d/hdp_mon_rpcdetailed_heartbeat_num_ops_report.json

@@ -1,10 +1,10 @@
 {
    "report_name" : "rpcdetailed_heartbeat_num_ops_report",
    "report_type" : "standard",
-   "title" : "Sent Heartbeats",
-   "vertical_label" : "Number Of Heartbeats",
+   "title" : "Heartbeats",
+   "vertical_label" : "Heartbeats/Sec",
    "series" : [
-      { "metric": "rpcdetailed.rpcdetailed.sendHeartbeat_num_ops", "color": "ff0000", "label": "Sent Heartbeats", 
+      { "metric": "rpcdetailed.rpcdetailed.sendHeartbeat_num_ops", "color": "ff0000", "label": "Heartbeats/Sec", 
         "line_width": "2", "type": "line" }
    ]
 }

mon_dashboard/src/dataServices/ganglia/graph_info/dashboard/custom/hdp.json

@@ -7,21 +7,21 @@
             "url": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HDFSSlavesClusterName%&g=hdp_mon_hdfs_io_report"
         }, 
         {
-            "description": "Utilized Map slots (occupied + reserved) vs. Total Map slots", 
+            "description": "Total Map slots and Utilized Map slots (occupied + reserved)", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%JobTrackerClusterName%", 
             "title": "Map Slot Utilization", 
             "url": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%JobTrackerClusterName%&g=hdp_mon_jobtracker_map_slot_report"
         }, 
         {
-            "description": "Utilized Reduce slots (occupied + reserved) vs. Total Reduce slots", 
+            "description": "Total Reduce slots and Utilized Reduce slots (occupied + reserved)", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%JobTrackerClusterName%", 
             "title": "Reduce Slot Utilization", 
             "url": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%JobTrackerClusterName%&g=hdp_mon_jobtracker_reduce_slot_report"
         }, 
         {
-            "description": "Map and Reduce tasks waiting to be schdeduled, indicating load on the Map/Reduce cluster", 
+            "description": "Map and Reduce tasks waiting to be scheduled (indicates load on the Map/Reduce cluster)", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%JobTrackerClusterName%", 
-            "title": "Waiting Map/Reduce tasks", 
+            "title": "Waiting Map/Reduce Tasks", 
             "url": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%JobTrackerClusterName%&g=hdp_mon_jobtracker_mapreduce_report"
         }
     ]

mon_dashboard/src/dataServices/ganglia/graph_info/hbase/custom/hdp.json

@@ -1,67 +1,67 @@
 {
     "Global": [
         {
-            "description": "Count of requests to the HBase cluster since the last call to update metrics", 
+            "description": "Rate of requests to the HBase cluster", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseMasterClusterName%", 
-            "title": "HBase Cluster Number Of Requests", 
+            "title": "Requests/Sec", 
             "url":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseMasterClusterName%&g=hdp_mon_hbase_master_cluster_requests_report"
         }, 
         {
-            "description": "Total number of read requests aggregated across all the HBase Region Servers", 
+            "description": "Total number of read requests aggregated across all the HBase Region Servers (dip in the graph could be due to deleting the regions)", 
             "link":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseSlavesClusterName%", 
-            "title": "HBase Region Servers' Read Requests", 
+            "title": "Region Servers' Read Requests", 
             "url":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_hbase_regionserver_read_requests_report"
         }, 
         {
-            "description": "Total number of write requests aggregated across all the HBase Region Servers", 
+            "description": "Total number of write requests aggregated across all the HBase Region Servers (dip in the graph could be due to deleting the regions)", 
             "link":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseSlavesClusterName%", 
-            "title": "HBase Region Servers' Write Requests", 
+            "title": "Region Servers' Write Requests", 
             "url":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_hbase_regionserver_write_requests_report"
         }, 
         {
-            "description": "Average number of regions served by each Region Server", 
+            "description": "Total number of regions aggregated across all Region Servers", 
             "link":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseSlavesClusterName%", 
-            "title": "Number Of Regions Per HBase Region Server", 
+            "title": "Total Cluster Regions", 
             "url":
-              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_hbase_regionserver_regions_report&r=month"
+              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_hbase_regionserver_regions_report"
         }, 
         {
-            "description": "Filesystem read latency for the HBase Region Servers", 
+            "description": "Total flush queue size for all region servers", 
             "link":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseSlavesClusterName%", 
-            "title": "HBase Region Server Filesystem Read Latency", 
+            "title": "Total flush Queue size", 
             "url":
-              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_hbase_regionserver_fs_read_latency_report"
+              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_hbase_regionserver_flush_queue_size_report"
         }, 
         {
-            "description": "Filesystem write latency for the HBase Region Servers", 
+            "description": "Total compaction queue size for all region servers", 
             "link":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseSlavesClusterName%", 
-            "title": "HBase Region Server Filesystem Write Latency", 
+            "title": "Total Compaction Queue Size", 
             "url":
-              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_hbase_regionserver_fs_write_latency_report"
+              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_hbase_regionserver_compaction_queue_size_report"
         }, 
         {
-            "description": "Garbage collection time (in milliseconds) aggregated across all the HBase Region Servers", 
+            "description": "Average time in miliseconds for splitting HLog files", 
             "link":
-              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseSlavesClusterName%", 
-            "title": "HBase Region Server Garbage Collection Time", 
+              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseMasterClusterName%", 
+            "title": "Avg Time in HLog file split", 
             "url":
-              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_jvm_gc_report"
+              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseMasterClusterName%&g=hdp_mon_hbase_hlog_report"
         }, 
         {
-            "description": "Average RPC wait time on the HBase Region Servers", 
+            "description": "Average size of HLog files being split", 
             "link":
-              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseSlavesClusterName%", 
-            "title": "Average HBase Region Server RPC Wait Time", 
+              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%HBaseMasterClusterName%", 
+            "title": "Avg HLog split file size", 
             "url":
-              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseSlavesClusterName%&g=hdp_mon_rpc_queue_time_avg_time_report"
+              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%HBaseMasterClusterName%&g=hdp_mon_hbase_hlog_split_size_report"
         } 
     ]
 }

mon_dashboard/src/dataServices/ganglia/graph_info/hdfs/custom/hdp.json

@@ -1,14 +1,14 @@
 {
     "Global": [
         {
-            "description": "HDFS capacity remaining (over the last month), in GB", 
+            "description": "HDFS capacity remaining in GB", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%NameNodeClusterName%", 
             "title": "HDFS Capacity Remaining", 
             "url":
-              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%NameNodeClusterName%&g=hdp_mon_hdfs_capacity_remaining_report&r=month"
+              "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%NameNodeClusterName%&g=hdp_mon_hdfs_capacity_remaining_report"
         }, 
         {
-            "description": "Number of blocks pending replication in HDFS, to give a feel for the current data replication load", 
+            "description": "Number of blocks pending replication in HDFS (indicates current data replication load)", 
             "link":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%NameNodeClusterName%", 
             "title": "HDFS Blocks Pending Replication", 
@@ -16,7 +16,7 @@
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%NameNodeClusterName%&g=hdp_mon_hdfs_pending_replication_blocks_report"
         }, 
         {
-            "description": "Number of under-replicated blocks in HDFS, to give a feel for the chances of potential corruption", 
+            "description": "Number of under-replicated blocks in HDFS", 
             "link":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%NameNodeClusterName%", 
             "title": "HDFS Under-Replicated Blocks", 
@@ -24,13 +24,13 @@
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%NameNodeClusterName%&g=hdp_mon_hdfs_under_replicated_blocks_report"
         }, 
         {
-            "description": "Counts of key operations on the NameNode, to give a feel for the high-level HDFS activity pattern", 
+            "description": "Counts of key operations on the NameNode (indicates high-level HDFS activity)", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%NameNodeClusterName%", 
             "title": "NameNode Operation Counts", 
             "url": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%NameNodeClusterName%&g=hdp_mon_hdfs_ops_report"
         }, 
         {
-            "description": "Key Garbage Collection stats for the NameNode's JVM", 
+            "description": "Cumulative time spent in garbage collection for the NameNode's JVM", 
             "link":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%NameNodeClusterName%", 
             "title": "NameNode JVM Garbage Collection", 
@@ -38,7 +38,7 @@
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%NameNodeClusterName%&g=hdp_mon_jvm_gc_report"
         }, 
         {
-            "description": "Heap memory used on the NameNode, to give a rough feel for HDFS capacity (all metadata is held in-memory on the NameNode) and performance (too much heap memory will likely trigger the JVM's garbage collection, which slows down the NameNode's RPC processing)", 
+            "description": "Java Heap memory usage of the NameNode (dip in the heap usage indicates garbage collection)",
             "link":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%NameNodeClusterName%", 
             "title": "NameNode Heap Memory Used", 
@@ -46,7 +46,7 @@
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%NameNodeClusterName%&g=hdp_mon_jvm_mem_heap_used_report"
         }, 
         {
-            "description": "Average wait time for RPC requests to the NameNode, to give a feel for the NameNode's responsiveness", 
+            "description": "Average wait time to process RPC request on the NameNode", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%NameNodeClusterName%", 
             "title": "NameNode RPC Average Wait Time", 
             "url":

mon_dashboard/src/dataServices/ganglia/graph_info/mapreduce/custom/hdp.json

@@ -15,14 +15,14 @@
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%JobTrackerClusterName%&g=hdp_mon_jobtracker_jobs_running_report"
         }, 
         {
-            "description": "Number of Map/Reduce jobs completed, to give a feel for cluster-wide job throughput", 
+            "description": "Number of Map/Reduce jobs completed (indicates cluster-wide job throughput)", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%JobTrackerClusterName%", 
             "title": "Map/Reduce Jobs: Completed", 
             "url":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%JobTrackerClusterName%&g=hdp_mon_jobtracker_jobs_completed_report"
         }, 
         {
-            "description": "Jobs failed on the JobTracker, to give a feel for potential cluster-wide problems", 
+            "description": "Number of Jobs failed", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%JobTrackerClusterName%", 
             "title": "JobTracker Jobs: Failed", 
             "url":
@@ -36,21 +36,21 @@
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%JobTrackerClusterName%&g=hdp_mon_jobtracker_heartbeats_report"
         }, 
         {
-            "description": "Average wait time for RPC requests to the JobTracker, to give a feel for the JobTracker's responsiveness", 
+            "description": "Average wait time to process RPC request on the JobTracker",
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%JobTrackerClusterName%", 
             "title": "JobTracker RPC Average Wait Time", 
             "url":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%JobTrackerClusterName%&g=hdp_mon_rpc_queue_time_avg_time_report"
         }, 
         {
-            "description": "Average number of RPC operations/second on the JobTracker, to give a feel for the JobTracker's activity", 
+            "description": "Average number of RPC operations/second on the JobTracker", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%JobTrackerClusterName%", 
             "title": "JobTracker RPC Num Ops", 
             "url":
               "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%JobTrackerClusterName%&g=hdp_mon_rpc_queue_time_num_ops_report"
         }, 
         {
-            "description": "Key Garbage Collection stats for the JobTracker's JVM", 
+            "description": "Cumulative time spent in garbage collection for the JobTracker's JVM", 
             "link": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/?c=%JobTrackerClusterName%", 
             "title": "JobTracker JVM Garbage Collection", 
             "url": "http://%GangliaWebHostName%:%GangliaWebPort%/ganglia/graph.php?c=%JobTrackerClusterName%&g=hdp_mon_jvm_gc_report"