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https://issues.apache.org/jira/browse/CASSANDRA-7403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benedict updated CASSANDRA-7403:
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Reproduced In: 2.1 rc1, 2.0.8, 1.2.16 (was: 1.2.16, 2.0.8, 2.1 rc1)
Fix Version/s: 2.1.0
> Reconciliation doesn't consider fields specific to expiring cells
> ------------------------------------------------------------------
>
> Key: CASSANDRA-7403
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7403
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Sam Tunnicliffe
> Assignee: Benedict
> Fix For: 2.1.0
>
>
> Reconciling 2 ExpiringColumns which are equal in every way except for the
> localExpirationTime field will always favour the instance on which reconcile
> is called as fields specific to expiration are not considered.
> This is actually beneficial in pre-2.1 versions as in
> AtomicSortedColumns.Holder.addColumn we call reconcile on the new column,
> which 'wins' the reconcilliation and so the localExpirationTime is
> effectively extended.
> From 2.1 onwards, reconcile is actually called on the existing value (in
> BTreeSortedColumns.ColumnUpdater) and so it wins the reconcilliation and the
> ttl doesn't get extended. The same thing happens in the iterator returned
> from MergeIterator.Reducer.getReducer() so we see the same behaviour when
> merging cells from the multiple SSTables and/or memtables.
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