mehakmeet commented on pull request #2706:
URL: https://github.com/apache/hadoop/pull/2706#issuecomment-783802582
How, exactly do we get the content length without doing a head call? isn’t
content length in the metadata as well?
Also on that note, I figured something in the aws-sdk while doing a put
request we have this in S3CryptoModuleBase.java:
```
// Record the original, unencrypted content-length so it can be accessed
// later
final long plaintextLength = plaintextLength(request, metadata);
if (plaintextLength >= 0) {
metadata.addUserMetadata(Headers.UNENCRYPTED_CONTENT_LENGTH,
Long.toString(plaintextLength));
// Put the ciphertext length in the metadata
metadata.setContentLength(ciphertextLength(plaintextLength));
}
request.setMetadata(metadata);
```
Every put request in AmazonS3EncryptionClientV2, is wrapped like this. but
it seems this isn’t the issue, in LIST ops, we don’t use these, right? so, how
do we get file length in LIST calls?
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