Re: [ceph-users] radosgw Segmentation fault on obj copy

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Actually, I read that differently. It only says that if there's more
than 1 part, all parts except for the last one need to be > 5M. Which
means that for uploads that are smaller than 5M there should be zero
or one parts.

On Mon, Dec 2, 2013 at 12:54 PM, Dominik Mostowiec
<dominikmostowiec@xxxxxxxxx> wrote:
> You're right.
>
> S3 api doc: http://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadComplete.html
> "Err:EntityTooSmall
> Your proposed upload is smaller than the minimum allowed object size.
> Each part must be at least 5 MB in size, except the last part."
>
> Thanks.
>
> This error should be triggered from radosgw also.
>
> --
> Regards
> Dominik
>
> 2013/12/2 Yehuda Sadeh <yehuda@xxxxxxxxxxx>:
>> Looks like it. There should be a guard against it (mulitpart upload
>> minimum is 5M).
>>
>> On Mon, Dec 2, 2013 at 12:32 PM, Dominik Mostowiec
>> <dominikmostowiec@xxxxxxxxx> wrote:
>>> Yes, this is probably upload empty file.
>>> This is the problem?
>>>
>>> --
>>> Regards
>>> Dominik
>>>
>>>
>>> 2013/12/2 Yehuda Sadeh <yehuda@xxxxxxxxxxx>:
>>>> By any chance are you uploading empty objects through the multipart upload api?
>>>>
>>>> On Mon, Dec 2, 2013 at 12:08 PM, Dominik Mostowiec
>>>> <dominikmostowiec@xxxxxxxxx> wrote:
>>>>> Hi,
>>>>> Another file with the same problems:
>>>>>
>>>>> 2013-12-01 11:37:15.556687 7f7891fd3700  1 ====== starting new request
>>>>> req=0x25406d0 =====
>>>>> 2013-12-01 11:37:15.556739 7f7891fd3700  2 req 1314:0.000052::::initializing
>>>>> 2013-12-01 11:37:15.556789 7f7891fd3700 10 s->object=files/192.txt
>>>>> s->bucket=testbucket
>>>>> 2013-12-01 11:37:15.556799 7f7891fd3700  2 req 1314:0.000112:s3:POST
>>>>> /testbucket/files/192.txt::getting op
>>>>> 2013-12-01 11:37:15.556804 7f7891fd3700  2 req 1314:0.000118:s3:POST
>>>>> /testbucket/files/192.txt:complete_multipart:authorizing
>>>>> 2013-12-01 11:37:15.560013 7f7891fd3700 10 get_canon_resource():
>>>>> dest=/testbucket/files/192.txt?uploadId=i92xi2olzDtFAeLXlfU2PFP9CDU87BC
>>>>> 2013-12-01 11:37:15.560027 7f7891fd3700 10 auth_hdr:
>>>>> POST
>>>>>
>>>>> application/xml
>>>>> Sun, 01 Dec 2013 10:37:10 GMT
>>>>> /testbucket/files/192.txt?uploadId=i92xi2olzDtFAeLXlfU2PFP9CDU87BC
>>>>> 2013-12-01 11:37:15.560085 7f7891fd3700  2 req 1314:0.003399:s3:POST
>>>>> /testbucket/files/192.txt:complete_multipart:reading permissions
>>>>> 2013-12-01 11:37:15.562356 7f7891fd3700  2 req 1314:0.005670:s3:POST
>>>>> /testbucket/files/192.txt:complete_multipart:verifying op permissions
>>>>> 2013-12-01 11:37:15.562373 7f7891fd3700  5 Searching permissions for
>>>>> uid=0 mask=2
>>>>> 2013-12-01 11:37:15.562377 7f7891fd3700  5 Found permission: 15
>>>>> 2013-12-01 11:37:15.562378 7f7891fd3700 10  uid=0 requested perm
>>>>> (type)=2, policy perm=2, user_perm_mask=2, acl perm=2
>>>>> 2013-12-01 11:37:15.562381 7f7891fd3700  2 req 1314:0.005695:s3:POST
>>>>> /testbucket/files/192.txt:complete_multipart:verifying op params
>>>>> 2013-12-01 11:37:15.562384 7f7891fd3700  2 req 1314:0.005698:s3:POST
>>>>> /testbucket/files/192.txt:complete_multipart:executing
>>>>> 2013-12-01 11:37:15.565461 7f7891fd3700 10 calculated etag:
>>>>> d41d8cd98f00b204e9800998ecf8427e-0
>>>>> 2013-12-01 11:37:15.566718 7f7891fd3700 10 can't clone object
>>>>> testbucket:files/192.txt to shadow object, tag/shadow_obj haven't been
>>>>> set
>>>>> 2013-12-01 11:37:15.566777 7f7891fd3700  0 setting object
>>>>> tag=_leyAzxCw7YxpKv8P3v3QGwcsw__9VmP
>>>>> 2013-12-01 11:37:15.678973 7f7891fd3700  2 req 1314:0.122286:s3:POST
>>>>> /testbucket/files/192.txt:complete_multipart:http status=200
>>>>> 2013-12-01 11:37:15.679192 7f7891fd3700  1 ====== req done
>>>>> req=0x25406d0 http_status=200 ======
>>>>>
>>>>> Yes, I can read oryginal object.
>>>>>
>>>>> --
>>>>> Regards
>>>>> Dominik
>>>>>
>>>>> 2013/12/2 Yehuda Sadeh <yehuda@xxxxxxxxxxx>:
>>>>>> That's unknown bug. I have a guess as to how the original object was
>>>>>> created. Can you read the original object, but only copy fails?
>>>>>>
>>>>>> On Dec 2, 2013 4:53 AM, "Dominik Mostowiec" <dominikmostowiec@xxxxxxxxx>
>>>>>> wrote:
>>>>>>>
>>>>>>> Hi,
>>>>>>> I found that issue is related with "ETag: ....-0" (ends -0)
>>>>>>> This is known bug ?
>>>>>>>
>>>>>>> --
>>>>>>> Regards
>>>>>>> Dominik
>>>>>>>
>>>>>>> 2013/12/2 Dominik Mostowiec <dominikmostowiec@xxxxxxxxx>:
>>>>>>> > Hi,
>>>>>>> > I have strange problem.
>>>>>>> > Obj copy (0 size) killing radosgw.
>>>>>>> >
>>>>>>> > Head for this file:
>>>>>>> > Content-Type: application/octet-stream
>>>>>>> > Server: Apache/2.2.22 (Ubuntu)
>>>>>>> > ETag: "d41d8cd98f00b204e9800998ecf8427e-0"
>>>>>>> > Last-Modified: 2013-12-01T10:37:15Z
>>>>>>> >
>>>>>>> > rgw log.
>>>>>>> > 2013-12-02 08:18:59.196651 7f5308ff1700  1 ====== starting new request
>>>>>>> > req=0x2be6fa0 =====
>>>>>>> > 2013-12-02 08:18:59.196709 7f5308ff1700  2 req
>>>>>>> > 237:0.000058::::initializing
>>>>>>> > 2013-12-02 08:18:59.196752 7f5308ff1700 10 meta>>
>>>>>>> > HTTP_X_AMZ_ACL=public-read
>>>>>>> > 2013-12-02 08:18:59.196760 7f5308ff1700 10 meta>>
>>>>>>> > HTTP_X_AMZ_COPY_SOURCE=/testbucket/testfile.xml
>>>>>>> > 2013-12-02 08:18:59.196766 7f5308ff1700 10 meta>>
>>>>>>> > HTTP_X_AMZ_METADATA_DIRECTIVE=COPY
>>>>>>> > 2013-12-02 08:18:59.196771 7f5308ff1700 10 x>> x-amz-acl:public-read
>>>>>>> > 2013-12-02 08:18:59.196772 7f5308ff1700 10 x>>
>>>>>>> > x-amz-copy-source:/testbucket/testfile.xml
>>>>>>> > 2013-12-02 08:18:59.196773 7f5308ff1700 10 x>>
>>>>>>> > x-amz-metadata-directive:COPY
>>>>>>> > 2013-12-02 08:18:59.196786 7f5308ff1700 10
>>>>>>> > s->object=/testbucket/new_testfile.ini s->bucket=testbucket
>>>>>>> > 2013-12-02 08:18:59.196792 7f5308ff1700  2 req 237:0.000141:s3:PUT
>>>>>>> > /testbucket/new_testfile.ini::getting op
>>>>>>> > 2013-12-02 08:18:59.196797 7f5308ff1700  2 req 237:0.000146:s3:PUT
>>>>>>> > /testbucket/new_testfile.ini:copy_obj:authorizing
>>>>>>> > 2013-12-02 08:18:59.200648 7f5308ff1700 10 get_canon_resource():
>>>>>>> > dest=/testbucket/new_testfile.ini
>>>>>>> > 2013-12-02 08:18:59.200661 7f5308ff1700 10 auth_hdr:
>>>>>>> > PUT
>>>>>>> > 1B2M2Y8AsgTpgAmY7PhCfg==
>>>>>>> > application/octet-stream
>>>>>>> > Mon, 02 Dec 2013 07:18:55 GMT
>>>>>>> > x-amz-acl:public-read
>>>>>>> > x-amz-copy-source:/testbucket/testfile.xml
>>>>>>> > x-amz-metadata-directive:COPY
>>>>>>> > /testbucket/new_testfile.ini
>>>>>>> > 2013-12-02 08:18:59.200717 7f5308ff1700  2 req 237:0.004066:s3:PUT
>>>>>>> > /testbucket/new_testfile.ini:copy_obj:reading permissions
>>>>>>> > 2013-12-02 08:18:59.203330 7f5308ff1700  2 req 237:0.006679:s3:PUT
>>>>>>> > /testbucket/new_testfile.ini:copy_obj:verifying op permissions
>>>>>>> > 2013-12-02 08:18:59.207627 7f5308ff1700 10 manifest: total_size = 0
>>>>>>> > 2013-12-02 08:18:59.207649 7f5308ff1700  5 Searching permissions for
>>>>>>> > uid=0 mask=1
>>>>>>> > 2013-12-02 08:18:59.207652 7f5308ff1700  5 Found permission: 15
>>>>>>> > 2013-12-02 08:18:59.207654 7f5308ff1700 10  uid=0 requested perm
>>>>>>> > (type)=1, policy perm=1, user_perm_mask=15, acl perm=1
>>>>>>> > 2013-12-02 08:18:59.207669 7f5308ff1700  5 Searching permissions for
>>>>>>> > uid=0 mask=2
>>>>>>> > 2013-12-02 08:18:59.207670 7f5308ff1700  5 Found permission: 15
>>>>>>> > 2013-12-02 08:18:59.207671 7f5308ff1700 10  uid=0 requested perm
>>>>>>> > (type)=2, policy perm=2, user_perm_mask=15, acl perm=2
>>>>>>> > 2013-12-02 08:18:59.207681 7f5308ff1700  2 req 237:0.011030:s3:PUT
>>>>>>> > /testbucket/new_testfile.ini:copy_obj:verifying op params
>>>>>>> > 2013-12-02 08:18:59.207686 7f5308ff1700  2 req 237:0.011035:s3:PUT
>>>>>>> > /testbucket/new_testfile.ini:copy_obj:executing
>>>>>>> > 2013-12-02 08:18:59.207699 7f5308ff1700 10 x>> x-amz-acl:public-read
>>>>>>> > 2013-12-02 08:18:59.207704 7f5308ff1700 10 x>>
>>>>>>> > x-amz-copy-source:/testbucket/testfile.xml
>>>>>>> > 2013-12-02 08:18:59.207709 7f5308ff1700 10 x>>
>>>>>>> > x-amz-metadata-directive:COPY
>>>>>>> > 2013-12-02 08:18:59.207759 7f5308ff1700  5 Copy object
>>>>>>> > testbucket(@.rgw.buckets[406250.1]):testfile.ini =>
>>>>>>> > testbucket(@.rgw.buckets[406250.1]):new_testfile.ini
>>>>>>> > 2013-12-02 08:18:59.208903 7f5308ff1700 -1 *** Caught signal
>>>>>>> > (Segmentation fault) **
>>>>>>> >  in thread 7f5308ff1700
>>>>>>> >
>>>>>>> >
>>>>>>> > --
>>>>>>> > Regards
>>>>>>> > Dominik
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Pozdrawiam
>>>>>>> Dominik
>>>>>>> _______________________________________________
>>>>>>> ceph-users mailing list
>>>>>>> ceph-users@xxxxxxxxxxxxxx
>>>>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Pozdrawiam
>>>>> Dominik
>>>
>>>
>>>
>>> --
>>> Pozdrawiam
>>> Dominik
>
>
>
> --
> Pozdrawiam
> Dominik
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