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https://issues.apache.org/jira/browse/CASSANDRA-19126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17795406#comment-17795406
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Branimir Lambov commented on CASSANDRA-19126:
---------------------------------------------

In other words, you both feel that it is okay for {{BulkLoader}} to not work if 
it is not the corresponding version or is not configured exactly like the 
database is?

Separately, that a node in e.g. {{UPGRADING}} mode should not be able to stream 
sstables to one in {{NONE}}?

> Streaming appears to be incompatible with different 
> storage_compatibility_mode settings
> ---------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-19126
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19126
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Consistency/Streaming, Legacy/Streaming and Messaging, 
> Messaging/Internode, Tool/bulk load
>            Reporter: Branimir Lambov
>            Assignee: Jacek Lewandowski
>            Priority: Normal
>             Fix For: 5.0-rc, 5.x
>
>
> In particular, SSTableLoader appears to be incompatible with 
> storage_compatibility_mode: NONE, which manifests as a failure of 
> {{org.apache.cassandra.distributed.test.SSTableLoaderEncryptionOptionsTest}} 
> when the flag is turned on (found during CASSANDRA-18753 testing). Setting 
> {{storage_compatibility_mode: NONE}} in the tool configuration yaml does not 
> help (according to the docs, this setting is not picked up).
> This is likely a bigger problem as the acceptable streaming version for C* 5 
> is 12 only in legacy mode and 13 only in none, i.e. two C* 5 nodes do not 
> appear to be able to stream with each other if their setting for the 
> compatibility mode is different.



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