Hive LLAP Heatmap
This dashboard enables you to identify the hotspots in the cluster in terms of executors and cache.
|HEAT MAPS||Remaining Cache Capacity||Shows the percentage of cache capacity remaining across the nodes. For example, if the grid is green, the cache is being under utilized. If the grid is red, there is high utilization of cache.|
|Remaining Cache Capacity||Same as above (Remaining Cache Capacity), but shows the cache hit ratio.|
|Executor Free Slots||Shows the percentage of executor free slots that are available on each nodes.|