zlokomatic commented on PR #2882:
URL: https://github.com/apache/hadoop/pull/2882#issuecomment-2247828873
> Just upgraded our cluster from 3.1.x to 3.3.x, and seeing this log line
printed hundreds of times per minute:
>
> ```
> INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy:
Not enough replicas was chosen. Reason:{NO_REQUIRED_STORAGE_TYPE=1}
> ```
>
> We have a single rack topology, with replication factor of 3.
>
> For now working around this issue by setting log level of
BlockPlacementPolicy to WARN in log4j.properties:
>
> ```
>
log4j.logger.org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy=WARN
> ```
We got the same problem.
Replication factor is 3
dfs.use.dfs.network.topology is set to false
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