Driver `hb.multicast`

Minimal configlet:

[hb#1]
type = multicast

Minimal setup command:

om test/ccfg/foo set --kw="type=multicast"

Supported keywords:

addr
interval
intf
max_peers
port
timeout
type

Keyword `addr`

required:    false
scopable:    true
default:     224.3.29.71

Description:

The multicast address to send to and listen on.

Keyword `interval`

required:    false
scopable:    true
default:     5s
convert:     duration

Description:

The maximum interval between 2 heartbeat payload sends.

The actual interval is not fixed, because the daemon tries to send the message as soon as it has something to notify. A minimum interval protects the node from saturating the network and cpu with the daemon synchronization workload.

Keyword `intf`

required:    false
scopable:    true

Default:

The natural interface for <addr>

Example:

intf=eth0

Description:

The interface to bind.

Keyword `max_peers`

required:    false
scopable:    false
convert:     int

Example:

max_peers=8

Description:

Keyword `port`

required:    false
scopable:    true
default:     10000
convert:     int

Description:

The port for each node to send to or listen on.

Keyword `timeout`

required:    false
scopable:    true
default:     15s
convert:     duration

Description:

The delay since the last received heartbeat from a node before considering this node is gone.

Keyword `type`

required:    true
scopable:    false
candidates:  unicast, multicast, disk, relay

Description:

The heartbeat driver name.

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