ignite-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Yakov Zhdanov <yzhda...@apache.org>
Subject Re: Cluster auto activation design proposal
Date Thu, 03 Aug 2017 12:09:58 GMT
>Obvious connotation of "minimal set" is a set that cannot be decreased.

>But lets consider the following case: user has a cluster of 50 nodes and
>decides to switch off 3 nodes for maintenance for a while. Ok, user just
>does it and then recreates this "minimal node set" to only 47 nodes.

>So initial minimal node set was decreased - something counter-intuitive to
>me and may cause confusion as well.

That was my point. If I have 50 nodes and 3 backups I can restart on 48, 49
and 50 without data loss. In case of 48 and 49 after cluster gets activated
missing backups are assigned and rebalancing starts.


  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message