Jing Zhao created HDFS-8308:
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Summary: Erasure Coding: NameNode may get blocked in
waitForLoadingFSImage() when loading editlog
Key: HDFS-8308
URL: https://issues.apache.org/jira/browse/HDFS-8308
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Jing Zhao
Assignee: Jing Zhao
If the editlog contains a transaction for creating an EC file, the NN will get
blocked in {{waitForLoadingFSImage}} because the following call path:
FSDirectory#addFileForEditLog --> FSDirectory#isInECZone -->
FSDirectory#getECSchema --> ECZoneManager#getECSchema -->
ECZoneManager#getECZoneInfo --> FSNamesystem#getSchema --> waitForLoadingFSImage
This jira plans to fix this bug and also do some code cleanup.
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