[Oisf-devel] Mem leaks

[Martin Holste]

> How often are you running these heartbeats? To cover get a good balanced
> view I'd run them like once a second or so?

These are once per minute, which is good enough for trending.  We've
found that this provides a very good idea of whether the sensor was
significantly dropping traffic or not.  Even once per second would not
guarantee that a given packet was not dropped.