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Posted to user@ignite.apache.org by dkarachentsev <dk...@gridgain.com> on 2017/03/24 13:32:53 UTC

Re: cache replication factor

Hi Tuco,

You're speaking about PARTITIONED cache with custom number of backups [1,
2]. You may specify how many copies partition will have. For example, You
have 3 nodes and number of backups set to 1, that means each partition has 1
copy on other node. In other words, if one node failed - you'll not lose
data. If number of backups 2 - 2 nodes could be failed without data loose,
and so forth.

[1] https://apacheignite.readme.io/v1.8/docs/cache-modes#partitioned-mode
[2]
https://ignite.apache.org/releases/mobile/org/apache/ignite/configuration/CacheConfiguration.html#setBackups(int)

-Dmitry.



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