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https://issues.apache.org/jira/browse/IGNITE-2356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15591619#comment-15591619
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Taras Ledkov edited comment on IGNITE-2356 at 10/20/16 11:59 AM:
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No, the tests {{IgniteHadoopFileSystemClientBased*}} extends 
{{IgniteHadoopFileSystemAbstractSelfTest}} that doesn't use 
{{LocalSecondaryFileSystem}}.

I don't see any reasons to use {{LocalSecondaryFileSystem}}. These tests check 
different types of connection of an IGFS client.


was (Author: tledkov-gridgain):
No, the tests IgniteHadoopFileSystemClientBased* extends 
IgniteHadoopFileSystemAbstractSelfTest that doesn't use 
LocalSecondaryFileSystem.

I don't see any reasons to use LocalSecondaryFileSystem. These tests check 
different types of connection of an IGFS client.

> IGFS client should be able to failover in case of server crash.
> ---------------------------------------------------------------
>
>                 Key: IGNITE-2356
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2356
>             Project: Ignite
>          Issue Type: Sub-task
>          Components: IGFS
>    Affects Versions: ignite-1.4
>            Reporter: Vladimir Ozerov
>            Assignee: Taras Ledkov
>            Priority: Critical
>             Fix For: 1.8
>
>
> IGFS client (IgniteHadoopFileSystem) communicates IGFS over endpoint - either 
> TCP or shmem.
> Only single endpoint can be specified. As such, should the server went down, 
> IgntieHadoopFileSystem (either new or existing) is no longer operational. 
> We need to let user specify several endpoints and failover/balance between 
> them.
> Look at Hadoop HA first to get an ideas on how to configure multiple 
> addresses.



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