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https://issues.apache.org/jira/browse/CASSANDRA-14227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17450322#comment-17450322
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Spiros Ioannou commented on CASSANDRA-14227:
--------------------------------------------

This is a critical issue, that severely limits TTL functionality and future 
design, the CAP_NOWARN workaround of CASSANDRA-14092 is already limiting our 
data lifecycle.  I'm not sure why this is high-severity issue was not planned 
for 4.0, what's missing?

> Extend maximum expiration date
> ------------------------------
>
>                 Key: CASSANDRA-14227
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14227
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Legacy/Local Write-Read Paths
>            Reporter: Paulo Motta (Deprecated)
>            Priority: Urgent
>
> The maximum expiration timestamp that can be represented by the storage 
> engine is
> 2038-01-19T03:14:06+00:00 due to the encoding of {{localExpirationTime}} as 
> an int32.
> On CASSANDRA-14092 we added an overflow policy which rejects requests with 
> expiration above the maximum date as a temporary measure, but we should 
> remove this limitation by updating the storage engine to support at least the 
> maximum allowed TTL of 20 years.



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