Administrator Guide

• Peering state– Displays the role of the CFM, The possible options are Primary or Secondary. You can
have only one primary and two secondary CFMs up at any time.
• Hostname — Displays the hostname of this node.
• Address — Displays the management IP address of this node.
• Listen Interfaces — Displays the cache network IP address of this node.
Peer CFMs
The Peer CFMs section displays the following information about other Fluid Cache hosts that serves as CFMs.
• Hostname — Displays the hostname of the Secondary CFMs in this cluster.
• Address — Displays the cache network IP addresses of the Secondary CFMs.
• Port — Displays the TCP ports that are used to communicate between the CFMs.
• Online — Displays the connection state of the Secondary CFMs. The possible options are Yes or No.
Metadata Server Stats
The Metadata Server Stats section displays the following information about the Fluid Cache cluster hosts
serving as Metadata Servers.
• Hostname — Displays the hostname of the three Metadata servers in the cluster.
• Status — Displays the status of the Metadata servers. The possible options are online or offline.
• Connection — Displays the connection protocol used for the Metadata servers. The connection
protocols should be RDMA/RC.
• Active — Displays whether the Metadata server is Active. The possible options are Yes or No
• Requests — Displays the number of Metadata requests to each Metadata Server.
Cache Server Stats
The Cache Server Stats section displays the following information about a single Fluid Cache Cluster host.
• Hostname – Displays the hostname of the host.
• Connection – Displays the connection method or protocol used by the host to communicate with
other hosts in the cluster.
• Devices – Displays the details about the cache devices present in the host.
• In Use (GB) – Displays the cache memory space (in GB) that is being used on the host. This include data
stored in replica blocks.
• In Use (%) – Displays the percent of cache memory space that is being used on the host.
• Client Reading (GB) – Displays the cumulative data (in GB) that is being read by a client.
• Client Writing (GB) – Displays the cumulative data (in GB) that is being written by a client.
• Dirty (GB) – Displays the number of unflushed blocks that exist on the cache server on this host.
• Evicted (GB) – Displays the cumulative data (in GB) that was evicted from this host.
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