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* Now Hadoop 2.3.0 in vanilla is able to push topology data for datanodes and nodemanagers * Only 3-level topology (rackawareness) pushes to nodes. Why 4-level is not? Because this is not implemented in YARN yet (see YARN-18 and YARN-19): https://issues.apache.org/jira/browse/HADOOP-8468 * Even if admin configures 4-level topology configs Sahara will force down to 3-level. Co-Authored-By: Sergey Reshetnyak <sreshetniak@mirantis.com> Partially implements: blueprint vanilla-plugin-hadoop-2 Change-Id: If5b93dde1f6aaaf619def60634da8c8819a3c75a |
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