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https://issues.apache.org/jira/browse/CASSANDRA-9499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14589450#comment-14589450
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Sylvain Lebresne commented on CASSANDRA-9499:
---------------------------------------------

bq. breaking compatibility with persisted caches?

We don't persist cache contents, we only persist the keys that are cached and 
reload them on startup, so this is a non-issue.

More generally, I think we should just drop 
{{EncodedDataOutput}}/{{EncodedDataInput}} and just make sure we don't forget 
to update the serialization code from 8099 to use the new methods introduced 
here (which shouldn't take very long).

> Introduce writeVInt method to DataOutputStreamPlus
> --------------------------------------------------
>
>                 Key: CASSANDRA-9499
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9499
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Benedict
>            Assignee: Ariel Weisberg
>            Priority: Minor
>             Fix For: 3.0 beta 1
>
>
> CASSANDRA-8099 really could do with a writeVInt method, for both fixing 
> CASSANDRA-9498 but also efficiently encoding timestamp/deletion deltas. It 
> should be possible to make an especially efficient implementation against 
> BufferedDataOutputStreamPlus.



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