Walter Su created HDFS-8779:
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Summary: WebUI can't display randomly generated block ID
Key: HDFS-8779
URL: https://issues.apache.org/jira/browse/HDFS-8779
Project: Hadoop HDFS
Issue Type: Bug
Components: webhdfs
Reporter: Walter Su
Assignee: Walter Su
Priority: Minor
Old release use randomly generated block ID(HDFS-4645).
max value of Long in Java is 2^63-1
max value of number in Javascript is 2^53-1. ( See
[Link|https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER])
Which means almost every randomly generated block ID exceeds MAX_SAFE_INTEGER.
A integer which exceeds MAX_SAFE_INTEGER cannot be represented in Javascript.
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