Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-37782

Would like server stats in mongos on scatter-gather queries

    • Type: Icon: New Feature New Feature
    • Resolution: Duplicate
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Diagnostics, Sharding
    • Labels:
    • Query

      While monitoring a sharded cluster it would be helpful to know how seriously we are being affected by scatter-gather queries - how many operations are being targeted to multiple shards, how many require sorting and merging results on a shardsvr, and so forth.

      While some of this data can be gathered by analyzing queries as they go in, it would be nice to be able to monitor a simple counter or two on grafana, CloudWatch, or Ops Manager to tell if some new code release or some other event has triggered a spate of scatter-gather queries that are negatively affecting performance.

            backlog-server-query Backlog - Query Team (Inactive)
            mzraly Mike Zraly
            0 Vote for this issue
            11 Start watching this issue