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Posted to hdfs-dev@hadoop.apache.org by "Wang XL (JIRA)" <ji...@apache.org> on 2018/06/05 13:39:00 UTC
[jira] [Created] (HDFS-13657) INodeId's LAST_RESERVED_ID may not as
expected and the comment is misleading
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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