MirrorMaker actually doesn't have a default - it uses what you
configured in the consumer.properties file you use.
Either:
auto.offset.reset = latest (biggest in old versions)
or
auto.offset.reset = earliest (smallest in old versions)
So you can choose whether when MirrorMaker first comes up, if
We're using mirror maker to mirror data from one data center to another data
center ( 1 to 1 ). We noticed that by default the mirror maker by default start
from latest offset. How to change mirror maker producer config to start from
last check pointed offset in case of crash without losing
