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Hi all!

 

We are troubleshooting some AWS Glacier upload performance issues and one of the questions the AWS engineer came back with is:

 

Do you know if they use multipart upload in their solution? That is usually the first thing to check -https://docs.aws.amazon.com/amazonglacier/latest/dev/uploading-archive-mpu.html

 

I did find some suggestions that we do use it:

 

  • Here it states that we need MultiPart permissions: https://documentation.commvault.com/commvault/v11_sp20/article?p=91277.htm
  • In previous service packs, there was an Additional Setting (nCloudMultipartSizeKB) to tune the the multipart size.

 

But I would like to get some hard evidence.

 

  1. Does Commvault use multipart uploads to AWG Glacier - direct?
  2. Can we prove that with certain log file entries?

 

Thanks in advance!

Yes, it uses multipart upload for Glacier service. You can set CloudActivity-cvd.log(or CloudActivity.log after SP23) to debug level 2 on MediaAgent. it will log the full URL for cloud requests.

Thanks for confirming! I’ll look into the log setting!

Thanks, @Ho-chi Chen !

I marked his reply as the Best Answer though feel free to reply back letting me know that is premature.

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