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The following commit(s) were added to refs/heads/master by this push:
new 45e8c5c45a HDDS-8383. Misreplication cannot be resolved with single
rack (#4539)
45e8c5c45a is described below
commit 45e8c5c45a01f75ccbda866a68712d61cce1450f
Author: Doroszlai, Attila <[email protected]>
AuthorDate: Tue Apr 11 18:38:38 2023 +0200
HDDS-8383. Misreplication cannot be resolved with single rack (#4539)
---
.../placement/algorithms/SCMContainerPlacementRackAware.java | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git
a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/placement/algorithms/SCMContainerPlacementRackAware.java
b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/placement/algorithms/SCMContainerPlacementRackAware.java
index 4f07024f16..4d880345ec 100644
---
a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/placement/algorithms/SCMContainerPlacementRackAware.java
+++
b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/placement/algorithms/SCMContainerPlacementRackAware.java
@@ -386,6 +386,9 @@ public final class SCMContainerPlacementRackAware
@Override
protected int getRequiredRackCount(int numReplicas) {
- return REQUIRED_RACKS;
+ int racks = networkTopology != null
+ ? networkTopology.getNumOfNodes(networkTopology.getMaxLevel() - 1)
+ : 1;
+ return Math.min(REQUIRED_RACKS, racks);
}
}
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