heartbeat with load value 0 received

[hafez ahmad]

Hi All,

I have this message in my logs, what this is mean, and is it mean there are
load and delay, and what the reasons for this error

2008-02-14 06:54:54 [2528] [9] DEBUG: boxc_receiver: heartbeat with load
value 0 received

Thanks for Help.
Hafez.