Re: NoSuchKey on key that is visible in s3 list/radosgw bk

[Janek Bevendorff <janek.bevendorff@xxxxxxxxxxxxx>]

Here's something else I noticed: when I stat objects that work via radosgw-admin, the stat info contains a "begin_iter" JSON object with RADOS key info like this


                    "key": {
                        "name": "29/items/WIDE-20110924034843-crawl420/WIDE-20110924065228-02544.warc.gz",
                        "instance": "",
                        "ns": ""
                    }


and then "end_iter" with key info like this:


                    "key": {
                        "name": ".8naRUHSG2zfgjqmwLnTPvvY1m6DZsgh_239",
                        "instance": "",
                        "ns": "shadow"
                    }


However, when I check the broken 0-byte object, the "begin_iter" and "end_iter" keys look like this:


                    "key": {
                        "name": "29/items/WIDE-20110903143858-crawl428/WIDE-20110903143858-01166.warc.gz.2~m5Y42lPMIeis5qgJAZJfuNnzOKd7lme.1",
                        "instance": "",
                        "ns": "multipart"
                    }

[...]


                    "key": {
                        "name": "29/items/WIDE-20110903143858-crawl428/WIDE-20110903143858-01166.warc.gz.2~m5Y42lPMIeis5qgJAZJfuNnzOKd7lme.19",
                        "instance": "",
                        "ns": "multipart"
                    }


So, it's the full name plus a suffix and the namespace is multipart, not shadow (or empty). This in itself may just be an artefact of whether the object was uploaded in one go or as a multipart object, but the second difference is that I cannot find any of the multipart objects in my pool's object name dump. I can, however, find the shadow RADOS object of the intact S3 object.

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