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https://issues.apache.org/jira/browse/CASSANDRA-19126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17795089#comment-17795089
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Branimir Lambov commented on CASSANDRA-19126:
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> Precise fix for this would be to use the same compatibility mode for bulk
> loader and the node.
While this would fix the test, it would not do anything about the underlying
problem. C* 5 nodes in different compatibility mode should be able to stream
with each other. One should at least be able to stream whole sstables from
legacy mode to current.
Current to legacy mode when CASSANDRA-19012 is done also makes sense, but it
might violate the downgradability promise while such data is not compacted. We
probably need a warning if current-format data is streamed to a node in legacy
mode (e.g. suggesting one does upgradesstables before downgrading below 5.0).
> 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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