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@@ -33,9 +33,12 @@ Here is a short overview of the major features and improvements.
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constraints for different types of traffic. See [HDFS-13541](https://issues.apache.org/jira/browse/HDFS-13541)
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constraints for different types of traffic. See [HDFS-13541](https://issues.apache.org/jira/browse/HDFS-13541)
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for more details.
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for more details.
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+ * Cost-based fair call queue. This improves fairness and stability in a large, multi-tenant
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+ HDFS cluster. See [HDFS-14403](https://issues.apache.org/jira/browse/HDFS-14403) for more details.
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+
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* YARN
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* YARN
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- * Support for user-defined countable resource types beyond CPU and memory. This was
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+ * Support for user-defined countable resource types beyond CPU and memory. This was
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ported from the 3.x.y release line. See [YARN-3926](https://issues.apache.org/jira/browse/YARN-3926),
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ported from the 3.x.y release line. See [YARN-3926](https://issues.apache.org/jira/browse/YARN-3926),
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[YARN-8200](https://issues.apache.org/jira/browse/YARN-8200),
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[YARN-8200](https://issues.apache.org/jira/browse/YARN-8200),
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and the [YARN resource model documentation](./hadoop-yarn/hadoop-yarn-site/ResourceProfiles.html) for
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and the [YARN resource model documentation](./hadoop-yarn/hadoop-yarn-site/ResourceProfiles.html) for
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Jonathan Hung