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https://issues.apache.org/jira/browse/CASSANDRA-4180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13634043#comment-13634043
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Jason Brown commented on CASSANDRA-4180:
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I can confirm that creating same table under trunk, and relaunching, works
correctly, as well as basic select querying. So I think it's something in the
upgrade path from 1.2 to trunk.
> Single-pass compaction for LCR
> ------------------------------
>
> Key: CASSANDRA-4180
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4180
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Sylvain Lebresne
> Assignee: Jonathan Ellis
> Labels: compaction
> Fix For: 2.0
>
> Attachments: scrub-error.txt
>
>
> LazilyCompactedRow reads all data twice to compact a row which is obviously
> inefficient. The main reason we do that is to compute the row header.
> However, CASSANDRA-2319 have removed the main part of that row header. What
> remains is the size in bytes and the number of columns, but it should be
> relatively simple to remove those, which would then remove the need for the
> two-phase compaction.
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