Siyao Meng created HDFS-13813: --------------------------------- Summary: Exit NameNode when dangling child inode is detected when saving FsImage Key: HDFS-13813 URL: https://issues.apache.org/jira/browse/HDFS-13813 Project: Hadoop HDFS Issue Type: Improvement Components: hdfs Affects Versions: 3.0.3 Reporter: Siyao Meng Assignee: Siyao Meng
In a previous patch HDFS-13314, [~arpitagarwal] did a great job catching potential FsImage corruption in two cases. Recently, the same stack trace as in -HDFS-9406- appears again in the field. The symptom of the problem is that *loadINodeDirectorySection()* can't find a child inode in inodeMap by the node id in the children list of the directory. The child inode could be missing or deleted. As for now we didn't have a clear trace to reproduce the problem. Therefore, I'm proposing this improvement to detect such corruption (data structure inconsistency) when saving the FsImage, so that we can have the FsImage and Edit Log to potentially stably reproduce the problem. The patch would detect if a child inode exist in the global FSDirectory dir when saving (serializing) INodeDirectorySection. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org