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https://issues.apache.org/jira/browse/IGNITE-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16510877#comment-16510877
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Andrey Gura edited comment on IGNITE-4210 at 6/13/18 9:47 AM:
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[~Alexey Kuznetsov] From my point of view it's a not good solution because it 
will block partition map exchange until loadCache finish data loading and then 
will lead to massive data rebalancing. Better way, I believe, it's passing 
exception to user code in case of topology changes and then user will have 
possibility to manage initial data loading from cache store (e.g. user can 
split whole data set on blocks and retry loading of block on which topology is 
changed).


was (Author: agura):
[~Alexey Kuznetsov] From my point of view it's a not good solution because it 
will block partition map exchange until loadCache finish data loading and then 
will lead to massive data rebalancing. Better way, I believe, it's passing 
exception to user code in case of topology changes and then user will have 
possibility to manage initial data loading (e.g. user can split whole data set 
on blocks and retry loading of block on which topology is changed).

> CacheLoadingConcurrentGridStartSelfTest.testLoadCacheFromStore() test lose 
> data.
> --------------------------------------------------------------------------------
>
>                 Key: IGNITE-4210
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4210
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Anton Vinogradov
>            Assignee: Alexey Kuznetsov
>            Priority: Major
>              Labels: MakeTeamcityGreenAgain
>             Fix For: 2.6
>
>
> org.apache.ignite.internal.processors.cache.distributed.CacheLoadingConcurrentGridStartSelfTest#testLoadCacheFromStore
>  sometimes have failures.



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