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https://issues.apache.org/jira/browse/HDDS-3512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17138974#comment-17138974
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Sammi Chen edited comment on HDDS-3512 at 6/18/20, 3:07 AM:
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It turns out that aws sdk 1.11.* by default send the multi-upload content as
the following format, so the extra size is the chunk-signature.
{code:java}
n;chunk-signature=<hash>
real data
n;chunk-signature=<hash>
{code}
In this case, the "Content-Length" header represents data+sinature size, the
“x-amz-decoded-content-length” header represents the real data size.
Reference https://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming.html
was (Author: sammi):
It turns out that aws sdk 1.11.* by default send the multi-upload content as
the following format, so the extra size is the chunk-signature.
{code:java}
n;chunk-signature=<hash>
real data
n;chunk-signature=<hash>
{code}
> s3g multi-upload saved content incorrect when client uses aws java sdk 1.11.*
> jar
> ---------------------------------------------------------------------------------
>
> Key: HDDS-3512
> URL: https://issues.apache.org/jira/browse/HDDS-3512
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: S3
> Reporter: Sammi Chen
> Assignee: Marton Elek
> Priority: Blocker
> Labels: TriagePending
>
> The default multi-part size is 5MB, which is 5242880 byte, while all the
> chunks saved by s3g is 5246566 byte which is greater than 5MB.
> By looking into the ObjectEndpoint.java, it seems the chunk size is retrieved
> from the "Content-Length" header.
>
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