Re: [Cppcms-users] Upload large files

SourceForge Headquarters 1320 Columbia Street Suite 310 San Diego, CA 92101 +1 (858) 422-6466

readv(11, 0x7fff207f7940, 1)            = -1 EAGAIN (Resource temporarily
unavailable)

That is one thing I can apparently see.

On Sun, May 12, 2013 at 4:54 PM, Saikumar Gandapodi <sai...@gm...>wrote:

> Artyom,
>    Here is the output of strace when a large file was sent and also a
> smaller
> file was sent.
> Dont know if this will help.
> The member function for post method handler is not called. However for
> smaller files it does perfectly fine.
> What could be the issue ?
>
> -----------   strace when a large file (135MB) is sent ---------------
> epoll_wait(8, {{EPOLLIN, {u32=0, u64=0}}}, 128, 3600000) = 1
> epoll_ctl(8, EPOLL_CTL_DEL, 0, {0, {u32=0, u64=0}}) = 0
> accept(0, 0, NULL)                      = 11
> fcntl(11, F_GETFL)                      = 0x2 (flags O_RDWR)
> fcntl(11, F_SETFL, O_RDWR|O_NONBLOCK)   = 0
> readv(11, 0x7fff207f7940, 1)            = -1 EAGAIN (Resource temporarily
> unavailable)
> epoll_ctl(8, EPOLL_CTL_ADD, 11, {EPOLLIN, {u32=11, u64=11}}) = 0
> epoll_ctl(8, EPOLL_CTL_ADD, 0, {EPOLLIN, {u32=0, u64=0}}) = 0
> epoll_wait(8, {{EPOLLIN, {u32=11, u64=11}}}, 128, 3600000) = 1
> epoll_ctl(8, EPOLL_CTL_DEL, 11, {0, {u32=11, u64=11}}) = 0
> readv(11,
> [{"\1\1\0\1\0\10\0\0\0\1\0\0\0\0\0\0\1\4\0\1\4N\0\0\17\17SERVER"...,
>  16384}], 1) = 16384
> epoll_wait(8, {}, 128, 0)               = 0
> epoll_wait(8, {}, 128, 0)               = 0
> writev(11, [{"\1\6\0\1\0\212\6\0", 8}, {"Content-Type:
> text/html\r\nStatus:"..
> ., 138}, {"\0\0\0\0\0\0", 6}], 3) = 152
> epoll_wait(8, {}, 128, 0)               = 0
> writev(11, [{"\1\6\0\1\0\0\0\0\1\3\0\1\0\10\0\0\0\0\0\0\0\0\0\0", 24}], 1)
> =
>  24
> epoll_wait(8, {}, 128, 0)               = 0
> shutdown(11, 2 /* send and receive */)  = 0
> shutdown(11, 2 /* send and receive */)  = 0
> close(11)                               = 0
> epoll_wait(8,
>
>
> -----------   strace when a small file (1.5mb) is sent ---------------
> epoll_wait(8, {{EPOLLIN, {u32=0, u64=0}}}, 128, 3600000) = 1
> epoll_ctl(8, EPOLL_CTL_DEL, 0, {0, {u32=0, u64=0}}) = 0
> accept(0, 0, NULL)                      = 11
> fcntl(11, F_GETFL)                      = 0x2 (flags O_RDWR)
> fcntl(11, F_SETFL, O_RDWR|O_NONBLOCK)   = 0
> readv(11,
> [{"\1\1\0\1\0\10\0\0\0\1\0\0\0\0\0\0\1\4\0\1\4K\0\0\17\17SERVER"..
> ., 16384}], 1) = 16384
> epoll_ctl(8, EPOLL_CTL_ADD, 0, {EPOLLIN, {u32=0, u64=0}}) = 0
> brk(0xca0000)                           = 0xca0000
> readv(11, [{"R\vf\20+I\302\26\245\260;X\233\277a\345t!\251\f~b\303\371%\234
> \224\332~%pC"..., 50290}], 1) = 50290
> readv(11, [{"\1\5\0\1\377\377\0\0\366\350\261$\335m\376\275\351\234\333O\"e
> \276y\375\377\373\322\0\20\0\5"..., 65535}], 1) = 45065
> epoll_wait(8, {}, 128, 0)               = 0
> epoll_wait(8, {}, 128, 0)               = 0
> readv(11, [{"DB\f%ZpGZ\24\2\300\232R8\277)\316\2464\314\271\313\263\17?\261
> \7\5\240\202R\25"..., 20478}], 1) = 20478
> epoll_wait(8, {}, 128, 0)               = 0
> epoll_wait(8, {}, 128, 0)               = 0
> epoll_wait(8, {}, 128, 0)               = 0
> brk(0xcdc000)                           = 0xcdc000
> epoll_wait(8, {}, 128, 0)               = 0
> readv(11, [{"\1\5\0\1\377\377\0\0\345\217l\257\257>\261]\24Q\366q,t\37z5\17
> \201\354@\264\373\31"..., 65535}], 1) = 65535
> epoll_wait(8, {}, 128, 0)               = 0
> epoll_wait(8, {}, 128, 0)               = 0
> readv(11, [{"\355U@\213\\\310\245,", 8}], 1) = 8
> epoll_wait(8, {}, 128, 0)               = 0
> epoll_wait(8, {}, 128, 0)               = 0
> brk(0xd1c000)                           = 0xd1c000
> open("/dev/urandom", O_RDONLY)          = 13
> read(13, "5\251\365')\220\255\0\217\314\3306\\\374\327\260", 16) = 16
> close(13)                               = 0
> open("/tmp/cppcms_uploads_35a9f5272990ad008fccd8365cfcd7b0.tmp", O_RDWR
> |O_CREAT|O_TRUNC, 0666) = 13
> writev(13, [{NULL, 0},
> {"ID3\3\0\0\0\0\7vTCON\0\0\0\7\0\0\0Blues\0GEOB\0"...,
>  1024}], 2) = 1024
> writev(13, [{"", 0},
> {"\377\373\322\0\0\0\t\223GDK,2\340\207h\350\211e\206\\
> \16\240\367\37\255<k\211\324\36\343"..., 1024}], 2) = 1024
> MANY writev's happened.......
> writev(13, [{"\377\377\373\322\0>\0\17\374\0K\200\0\0\t
> \200\tp\0\0\1\0\0\1.
> \0\0\0 \0\0"..., 8190}, {"\377", 1}], 2) = 8191
> write(13, "\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377
> \377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377"..., 1133)
> = 1133
> lseek(13, 0, SEEK_SET)                  = 0
> futex(0xc48534, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0xc48530, {FUTEX_OP_SET, 0,
> FUTEX_OP_CMP_GT, 1}) = 1
> futex(0xc44d80, FUTEX_WAKE_PRIVATE, 1)  = 1
>
>
>
> ------------------------------------------------------------------------------
> Learn Graph Databases - Download FREE O'Reilly Book
> "Graph Databases" is the definitive new guide to graph databases and
> their applications. This 200-page book is written by three acclaimed
> leaders in the field. The early access version is available now.
> Download your free book today! http://p.sf.net/sfu/neotech_d2d_may
> _______________________________________________
> Cppcms-users mailing list
> Cpp...@li...
> https://lists.sourceforge.net/lists/listinfo/cppcms-users
>

-- 
Best regards,
Shiv Shankar Dayal