mukund-thakur commented on a change in pull request #3499:
URL: https://github.com/apache/hadoop/pull/3499#discussion_r763711726
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File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/ChecksumFileSystem.java
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@@ -286,8 +295,123 @@ protected int readChunk(long pos, byte[] buf, int offset,
int len,
public IOStatistics getIOStatistics() {
return IOStatisticsSupport.retrieveIOStatistics(datas);
}
+
+ public static long findChecksumOffset(long dataOffset,
Review comment:
It is written in the cheksum file as the first int using
`sums.writeInt(bytesPerSum);`
Default value is 512.
If reading this value causes some exception it defaults to 1.
So I don't think it can ever come as 0.
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