[jira] [Commented] (IGNITE-370) Print a warning when "allowOverwrite=false" data loader is used for the first time.

["Dmitriy Setrakyan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14341114#comment-14341114 ] 

Dmitriy Setrakyan commented on IGNITE-370:
------------------------------------------

The warning should say: 
{noformat}
Data loader will not overwrite existing cache entries for better performance (to change, set allowOverwrite to true)
{noformat}

> Print a warning when "allowOverwrite=false" data loader is used for the first time.
> -----------------------------------------------------------------------------------
>
>                 Key: IGNITE-370
>                 URL: https://issues.apache.org/jira/browse/IGNITE-370
>             Project: Ignite
>          Issue Type: Task
>          Components: cache
>    Affects Versions: sprint-1
>            Reporter: Vladimir Ozerov
>             Fix For: sprint-2
>
>
> Our data loader has "allowOverwrite=false" by default. It means that existing cache entries will not be overwritten by data loader. This is done for performance reasons, but might be counterintuitive for the user. 
> Need to print a single warning when data loader with such configuration is used for the first time.



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