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https://issues.apache.org/jira/browse/IGNITE-2864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15251534#comment-15251534
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Anton Vinogradov commented on IGNITE-2864:
------------------------------------------

Dmitriy,
This property is about local store usage only. It gives you two ways of local 
store behavoir: to keep backup partitions (new) or no (old). Nothing changed 
for regular stores.
I discussed solution based on configuration property with Yakov and we've 
decided that only compatibility flag (system property) should be provided to 
allow riskless upgrades.
Also, as I wrote before, we've decided to turn new behavior on by default, but 
inform users by warning that behavior changed.

> Need update local store from primary and backups
> ------------------------------------------------
>
>                 Key: IGNITE-2864
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2864
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache
>            Reporter: Semen Boikov
>            Assignee: Anton Vinogradov
>             Fix For: 1.6
>
>
> Now cache local store is updated only from primary nodes, this means that 
> data can be lost if primary node is not re-started after crash. Need fix it 
> and update store from primaries and backups if store is local (for both tx 
> and atomic caches).
> This test should work:
> - cache with 1 backup, two server nodes
> - execute cache put for key K
> - stop both nodes
> - restart only node which was backup for K
> - load data from local sore, update for K should be restored



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