Andrew Wang created HDFS-5845:
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Summary: SecondaryNameNode dies when checkpointing with cache pools
Key: HDFS-5845
URL: https://issues.apache.org/jira/browse/HDFS-5845
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Affects Versions: 2.3.0
Reporter: Andrew Wang
Assignee: Andrew Wang
The SecondaryNameNode clears and reloads its FSNamesystem when doing
checkpointing. However, FSNamesystem#clear does not clear CacheManager state
during this reload. This leads to an error like the following:
{noformat}
org.apache.hadoop.fs.InvalidRequestException: Cache pool pool1 already exists.
{noformat}
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