Wang XL created HDFS-13657:
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Summary: INodeId's LAST_RESERVED_ID may not as expected and the
comment is misleading
Key: HDFS-13657
URL: https://issues.apache.org/jira/browse/HDFS-13657
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Reporter: Wang XL
The comment of class INodeId is misleading. In the comment, Id 1 to 1000 are
reserved for potential future usage, but code\{{public static final long
LAST_RESERVED_ID = 2 << 14 - 1}} will result 1 to 16384 are reserved. At the
same time , operator '-' priority is higher than '<<', \{{2 << 14 - 1}} is not
equal to \{{(2 <<14) - 1}}.
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