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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2019/08/02 11:29:54 UTC
[GitHub] [hadoop] ChenSammi commented on a change in pull request #1184:
HDDS-1865. Use "ozone.network.topology.aware.read" to control both RPC
client and server side logic
ChenSammi commented on a change in pull request #1184: HDDS-1865. Use "ozone.network.topology.aware.read" to control both RPC client and server side logic
URL: https://github.com/apache/hadoop/pull/1184#discussion_r310091612
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File path: hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/placement/algorithms/ContainerPlacementPolicyFactory.java
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@@ -36,7 +36,7 @@
private static final Class<? extends ContainerPlacementPolicy>
OZONE_SCM_CONTAINER_PLACEMENT_IMPL_DEFAULT =
- SCMContainerPlacementRandom.class;
+ SCMContainerPlacementRackAware.class;
Review comment:
ContainerPlacementPolicy chosen and topology aware read are two independent choice. If SCMContainerPlacementRandom is used, we can still enable topology aware read as long as datanode to network location mapping is correctly built.
This change is committed unintentionally, I will remove it now, and enable the configuration after 0.4.1 is released.
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