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https://issues.apache.org/jira/browse/CASSANDRA-17240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17622781#comment-17622781
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Josh McKenzie commented on CASSANDRA-17240:
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bq. I don't think that we should default to consider experimental everything
that hasn't been tested with Harry
bq. flag new features *_beyond a certain scope_*
Emphasis added. New features that are very large and have correctness / data
loss implications, to be more specific. The reason I bring this up here is that
I recall hearing that Branimir and Caleb were discussing the value in Harry
testing the Trie memtables.
> CEP-19: Trie memtable implementation
> ------------------------------------
>
> Key: CASSANDRA-17240
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17240
> Project: Cassandra
> Issue Type: Improvement
> Components: Local/Memtable
> Reporter: Branimir Lambov
> Assignee: Branimir Lambov
> Priority: Normal
> Fix For: 4.2
>
> Attachments: SkipListMemtable-OSS.png, TrieMemtable-OSS.png,
> density_SG.html.gz, density_test_with_sharding.html.gz, latency-1_1-95.png,
> latency-9_1-95.png, throughput_SG.png, throughput_apache.png
>
> Time Spent: 13.5h
> Remaining Estimate: 0h
>
> Trie-based memtable implementation as described in CEP-19, built on top of
> CASSANDRA-17034 and CASSANDRA-6936.
> The implementation is available in this
> [branch|https://github.com/blambov/cassandra/tree/CASSANDRA-17240].
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