Hello,
We know that the control script has an idle_verify command can be used
to verify the potential inconsistency between the primary and backup.
Well, since there are WAL and WAL archives, they can be used for
historical data balancing. So why can't WAL ensure the consistency
between the primary and the backup? Does the backup update also need to
write the WAL file?
在 2021/5/10 下午9:57, akorensh 写道:
Hi,
You are referring to a persistent node failing while being a part of a
baseline topology.
When that same node comes back, it will load only the delta(differential
per your definition) from
the time that it was down. This is called historical rebalancing.
Read more here:
https://www.gridgain.com/docs/latest/developers-guide/historical-rebalancing
More on baseline topology:
https://ignite.apache.org/docs/latest/clustering/baseline-topology
Thanks, Alex
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