Hi,
Today I have an issue when trying to issue a COPY for one object I
have in RGW. It only happens for this object (at least that I noticed
and I did 1000's of COPYs in this batch) and I can do a GET of this
object just fine.
The stack trace :
ceph version 0.80.5-173-g7429f00 (7429f00caaae3c6197e13786c13bc55055d16951)
1: /usr/bin/radosgw() [0x5cd19a]
2: (()+0xfcb0) [0x7f3806340cb0]
3: (()+0x142740) [0x7f3805598740]
4: (ceph::buffer::ptr::append(char const*, unsigned int)+0x43) [0x7f380724f5b3]
5: (ceph::buffer::list::append(char const*, unsigned int)+0x91)
[0x7f3807251cf1]
6: (RGWRados::copy_obj_data(void*, std::string const&, void**, long,
rgw_obj&, rgw_obj&, unsigned long, long*, std::map<std::string,
ceph::buffer::list, std::less<std::string>,
std::allocator<std::pair<std::string const, ceph::buffer::list> > >&,
RGWObjCategory, std::string*, rgw_err*)+0x5cc) [0x52524c]
7: (RGWRados::copy_obj(void*, std::string const&, std::string const&,
std::string const&, req_info*, std::string const&, rgw_obj&, rgw_obj&,
RGWBucketInfo&, RGWBucketInfo&, long*, long const*, long const*, char
const*, char const*, bool, std::map<std::string, ceph::buffer::list,
std::less<std::string>, std::allocator<std::pair<std::string const,
ceph::buffer::list> > >&, RGWObjCategory, std::string*, rgw_err*, void
(*)(long, void*), void*)+0x19b5) [0x5336e5]
8: (RGWCopyObj::execute()+0x2bc) [0x557c0c]
9: /usr/bin/radosgw() [0x4c871c]
10: (RGWFCGXProcess::handle_request(RGWRequest*)+0x9c) [0x4c93fc]
11: (RGWProcess::RGWWQ::_process(RGWRequest*)+0x37) [0x4ca4e7]
12: (ThreadPool::worker(ThreadPool::WorkThread*)+0x4e6) [0x7f38072373f6]
13: (ThreadPool::WorkThread::entry()+0x10) [0x7f3807239200]
14: (()+0x7e9a) [0x7f3806338e9a]
15: (clone()+0x6d) [0x7f380554a73d]
NOTE: a copy of the executable, or `objdump -rdS <executable>` is
needed to interpret this.
This is the content of the OMAP key in the directory index :
0000000: 0503 3201 0000 4d00 0000 3561 6531 6238 ..2...M...5ae1b8
0000010: 6362 3861 3262 6463 3363 3264 3765 3138 cb8a2bdc3c2d7e18
0000020: 3638 6236 3064 3736 6162 6561 3235 3336 68b60d76abea2536
0000030: 6634 3630 3464 3664 3331 3264 6639 3562 f4604d6d312df95b
0000040: 3731 3934 3730 6662 3362 2f72 656e 6465 719470fb3b/rende
0000050: 722d 696d 6167 651b 0100 0000 0000 0001 r-image.........
0000060: 0303 5800 0000 0107 a903 0000 0000 0032 ..X............2
0000070: 7c3c 5300 0000 0022 0000 0062 6665 3264 |<S...."...bfe2d
0000080: 6638 3632 6439 3266 3730 6365 6362 6564 f862d92f70cecbed
0000090: 6261 6233 3234 6533 6637 382d 3102 0000 bab324e3f78-1...
00000a0: 006b 700a 0000 004b 5020 5333 2055 7365 .kp....KP S3 Use
00000b0: 7209 0000 0069 6d61 6765 2f70 6e67 0000 r....image/png..
00000c0: 0000 4d00 0000 3561 6531 6238 6362 3861 ..M...5ae1b8cb8a
00000d0: 3262 6463 3363 3264 3765 3138 3638 6236 2bdc3c2d7e1868b6
00000e0: 3064 3736 6162 6561 3235 3336 6634 3630 0d76abea2536f460
00000f0: 3464 3664 3331 3264 6639 3562 3731 3934 4d6d312df95b7194
0000100: 3730 6662 3362 2f72 656e 6465 722d 696d 70fb3b/render-im
0000110: 6167 6501 0104 0000 0023 821b 0136 1600 age......#...6..
0000120: 0000 6465 6661 756c 742e 3434 3034 3839 ..default.440489
0000130: 2e31 3539 3035 3436 .1590546
The head object (
default.440489.58258_5ae1b8cb8a2bdc3c2d7e1868b60d76abea2536f4604d6d312df95b719470fb3b/render-image
) is empty (size=0) and the stored manifest (in the user.rgw.manifest
xattr) :
0000000: 0202 5d01 0000 07a9 0300 0000 0000 0100 ..].............
0000010: 0000 0000 0000 0000 0000 0202 4301 0000 ............C...
0000020: 0303 2d01 0000 1800 0000 6b70 2d72 656e ..-.......kp-ren
0000030: 6465 722d 696d 6167 652e 626f 7579 6775 der-image.bouygu
0000040: 6573 0000 0000 0900 0000 6d75 6c74 6970 es........multip
0000050: 6172 747a 0000 005f 6d75 6c74 6970 6172 artz..._multipar
0000060: 745f 3561 6531 6238 6362 3861 3262 6463 t_5ae1b8cb8a2bdc
0000070: 3363 3264 3765 3138 3638 6236 3064 3736 3c2d7e1868b60d76
0000080: 6162 6561 3235 3336 6634 3630 3464 3664 abea2536f4604d6d
0000090: 3331 3264 6639 3562 3731 3934 3730 6662 312df95b719470fb
00000a0: 3362 2f72 656e 6465 722d 696d 6167 652e 3b/render-image.
00000b0: 3872 5344 4438 4d56 4431 4b49 5844 5451 8rSDD8MVD1KIXDTQ
00000c0: 4473 6633 6736 6237 3164 7141 4450 5f2e Dsf3g6b71dqADP_.
00000d0: 3106 037c 0000 0018 0000 006b 702d 7265 1..|.......kp-re
00000e0: 6e64 6572 2d69 6d61 6765 2e62 6f75 7967 nder-image.bouyg
00000f0: 7565 7314 0000 002e 7267 772e 6b70 2d72 ues.....rgw.kp-r
0000100: 656e 6465 722d 696d 6167 6514 0000 0064 ender-image....d
0000110: 6566 6175 6c74 2e34 3430 3438 392e 3538 efault.440489.58
0000120: 3235 3814 0000 0064 6566 6175 6c74 2e34 258....default.4
0000130: 3430 3438 392e 3538 3235 3814 0000 002e 40489.58258.....
0000140: 7267 772e 6b70 2d72 656e 6465 722d 696d rgw.kp-render-im
0000150: 6167 6500 0000 0000 0000 0007 a903 0000 age.............
0000160: 0000 000a ....
The actual file content is in :
default.440489.58258__multipart_5ae1b8cb8a2bdc3c2d7e1868b60d76abea2536f4604d6d312df95b719470fb3b/render-image.8rSDD8MVD1KIXDTQDsf3g6b71dqADP_.1
and is correct (if I fetch the object with rados, it's all there).
Cheers,
Sylvain
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