release/v1.0: Add prometheus metrics for latest raft applied index and oracle max assigned ts. #3338
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Add a new metric
dgraph_raft_applied_index
to capture the latest Raft index that has been applied for Alphas.Metric looks like this in
/debug/prometheus_metrics
:Add a new metric
dgraph_max_assigned_ts
to capture the latest max assigned timestamp from Zero. This value is cluster-wide and should be the same across all Alphas.Metric looks like this in
/debug/prometheus_metrics
:This change is