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https://issues.apache.org/jira/browse/CASSANDRA-9988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16092832#comment-16092832
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Anthony Grasso commented on CASSANDRA-9988:
-------------------------------------------
Have reviewed the code.
Ran the Microbench tests
{noformat}
ant test -Dtest.name=org.apache.cassandra.test.microbench.CompactionBench
ant test
-Dtest.name=org.apache.cassandra.test.microbench.BTreeSearchIteratorBench
ant test -Dtest.name=org.apache.cassandra.test.microbench.DirectorySizerBench
ant test -Dtest.name=org.apache.cassandra.test.microbench.FastThreadExecutor
ant test -Dtest.name=org.apache.cassandra.test.microbench.FastThreadLocalBench
ant test -Dtest.name=org.apache.cassandra.test.microbench.MutationBench
ant test -Dtest.name=org.apache.cassandra.test.microbench.OutputStreamBench
ant test -Dtest.name=org.apache.cassandra.test.microbench.OutputStreamBench
ant test -Dtest.name=org.apache.cassandra.test.microbench.OutputStreamBench
ant test -Dtest.name=org.apache.cassandra.test.microbench.PendingRangesBench
ant test -Dtest.name=org.apache.cassandra.test.microbench.ReadWriteTest
ant test
-Dtest.name=org.apache.cassandra.test.microbench.StreamingHistogramBench
ant test
-Dtest.name=org.apache.cassandra.test.microbench.PartitionImplementationTest
{noformat}
Ran the partition unit tests
{noformat}
ant test
-Dtest.name=org.apache.cassandra.db.partition.PartitionImplementationTest
ant test -Dtest.name=org.apache.cassandra.db.partition.PartitionUpdateTest
{noformat}
Changes look good to me.
> Introduce leaf-only iterator
> ----------------------------
>
> Key: CASSANDRA-9988
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9988
> Project: Cassandra
> Issue Type: Sub-task
> Reporter: Benedict
> Assignee: Jay Zhuang
> Priority: Minor
> Labels: patch
> Fix For: 4.0
>
> Attachments: 9988-trunk-new.txt, 9988-trunk-new-update.txt,
> trunk-9988.txt
>
>
> In many cases we have small btrees, small enough to fit in a single leaf
> page. In this case it _may_ be more efficient to specialise our iterator.
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