Re: radosgw Segmentation fault on obj copy

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I'm having trouble reproducing the issue. What version are you using?

Thanks,
Yehuda

On Mon, Dec 2, 2013 at 2:16 PM, Yehuda Sadeh <yehuda@xxxxxxxxxxx> wrote:
> 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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