http://localhost:8080/render/?height=700&width=1200&from=-6h&title=Cassandra Heap&
lineMode=slope&areaMode=none&drawNullAsZero=false&hideLegend=false&
target=metrics.cassandra.dsc1a.internal.heap.total&
target=metrics.cassandra.dsc1a.internal.heap.used&
target=stacked(group(
sumSeries(metrics.cassandra.dsc1a.internal.PRODUCTION.*.memtable_data_size),
sumSeries(metrics.cassandra.dsc1a.internal.PRODUCTION.*.bloom_filter_space_used),
scale(sumSeries(metrics.cassandra.dsc1a.internal.PRODUCTION.*.key_cache_capacity),869),
sumSeries(metrics.cassandra.dsc1a.internal.OpsCenter.*.memtable_data_size),
sumSeries(metrics.cassandra.dsc1a.internal.OpsCenter.*.bloom_filter_space_used),
scale(sumSeries(metrics.cassandra.dsc1a.internal.OpsCenter.*.key_cache_capacity),960)
))&