Cluster

The cluster section displays statistics about the general cluster performance.

Statistics:

• Available and missing Coordinators
• Available and missing DB-Servers
• Memory usage (percent)
• Current connections
• Data (bytes)
• HTTP (bytes)
• Average request time (seconds)

Nodes

Overview

The overview shows available and missing Coordinators and DB-Servers.

Functions:

• Coordinator Dashboard: Click on a Coordinator will open a statistics dashboard.

Information (Coordinator / DB-Servers):

• Name
• Endpoint
• Last Heartbeat
• Status
• Health

Shards

The shard section displays all available sharded collections.

Functions:

• Move Shard Leader: Click on a leader database of a shard server will open a move shard dialog. Shards can be transferred to all available DB-Servers, except the leading DB-Server or an available follower.
• Move Shard Follower: Click on a follower database of a shard will open a move shard dialog. Shards can be transferred to all available DB-Servers, except the leading DB-Server or an available follower.
• Rebalance Shards: A new DB-Server will not have any shards. With the rebalance functionality the cluster will start to rebalance shards including empty DB-Servers.

Information (collection):

• Shard
• Leader (green state: sync is complete)
• Followers