Re: radosgw Segmentation fault on obj copy

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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
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