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https://issues.apache.org/jira/browse/HDFS-13208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16382364#comment-16382364
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Íñigo Goiri commented on HDFS-13208:
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It might be something related to the cache.
They just reported HDFS-13212 and we had HDFS-12988.
[~ywskycn], can you reproduce it with a unit test similar to what [~linyiqun]
posted?
> RBF: Mount path not available after ADD-REMOVE-ADD
> --------------------------------------------------
>
> Key: HDFS-13208
> URL: https://issues.apache.org/jira/browse/HDFS-13208
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Wei Yan
> Assignee: Wei Yan
> Priority: Critical
>
> To reproduce this issue, run the following commands at Router 1:
> {code:java}
> $ hdfs dfsrouteradmin -add /test1 ns1 /ns1/test1
> $ hdfs dfsrouteradmin -rm /test1
> $ hdfs dfsrouteradmin -add /test1 ns1 /ns1/test1{code}
> "hdfs dfs -ls hdfs://Router1:8020/test1" works well after step 1. After step
> 3 when we add /test1 back, Router 1 still returns "No such file or
> directory".
> But after step 3, when we run cmd "hdfs dfs -ls hdfs://Router2:8020/test1"
> talking to another Router, it works well.
> From Router logs, I can see StateStoreZookeeperImpl and MountTableResolver
> are updated correctly and in time. Not find the root case yet, still looking
> into it.
>
>
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