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        before being able to upvote. Upvoting indicates when questions and answers are useful. (https://stackoverflow.com/help/whats-reputation) What's reputation and how do I get it?  Instead, you can save this post to reference later.     Save this post for later Not now           (https://cdn.sstatic.net/Sites/stackoverflow/Img/apple-touch-icon.png?v=c78bd457575a) (/questions/5963080/disable-request-buffering-in-nginx) disable request buffering in nginx  (/questions/ask) Ask Question     (2011-05-11 10:56:26Z) Asked 13 years, 11 months ago  Modified (?lastactivity) (2015-04-29 10:13:14Z) 9 years, 11 months ago  (Viewed 32,484 times) Viewed 32k times         This question shows research effort; it is useful and clear  (69:3:31e,16:96938565d3877009,10:1744305280,16:6befe54ba3e787cb,7:5963080,8b30fddd9fbe9ce10a6f4e4be1cd0855446bec727308e87d1ba1ab532821ce66) 11  (This question does not show any research effort; it is unclear or not useful)    (69:3:31e,16:c88d4796e77e8b7b,10:1744305280,16:0e4e645d0b00f3ad,7:5963080,f1c69cbd323f43fd318be1a96698cfbae6a26ba1c43cd771d9ecdc2e6d3fbec4)      Save this question.  (/posts/5963080/timeline)    Show activity on this post.    It seems that nginx buffers requests before passing it to the updstream server,while it is OK for most cases for me it is very bad :) My case is like this: I have nginx as a frontend server to proxy 3 different servers: apache with a typical php app shaveet(a open source comet server) built by me with python and gevent a file upload server built again with gevent that proxies the uploads to rackspace cloudfiles 
while accepting the upload from the client.  #3 is the problem, right now what I have is that nginx buffers all the request and then sends that to the file upload server which in turn sends it to cloudfiles instead of sending each chunk as it gets it (those making the upload faster as i can push 6-7MB/s to cloudfiles). The reason I use nginx is to have 3 different domains with one IP if I can't do that I will have to move the fileupload server to another machine.  (/questions/tagged/file-upload) (show questions tagged 'file-upload') file-upload  (/questions/tagged/nginx) (show questions tagged 'nginx') nginx  (/questions/tagged/asyncfileupload) (show questions tagged 'asyncfileupload') asyncfileupload  (/questions/tagged/gevent) (show questions tagged 'gevent') gevent      (/q/5963080) (Short permalink to this question) Share  Share a link to this question     Copy link (https://creativecommons.org/licenses/by-sa/3.0/) (The current license for this post: CC BY-SA 3.0) CC BY-SA 3.0     (/posts/5963080/edit) () Improve this question  Follow (69:3:31e,16:e985a910aad29142,10:1744305280,16:6e885de8c0bf6a2b,7:5963080,26105a3633501b2a5c52df7ef130ac4f8b40b21b2b888bba152b105ef478c25b)  Follow this question to receive notifications       (/posts/5963080/revisions) (show all edits to this post) edited (2011-05-11 10:59:20Z) May 11, 2011 at 10:59    (/users/211359/karl-von-moor) (Karl von Moor's user avatar)    (/users/211359/karl-von-moor) Karl von Moor (reputation score) 8,614 (4 gold badges)  4  4 gold badges (42 silver badges)  42  42 silver badges (52 bronze badges)  52  52 bronze badges     asked (2011-05-11 10:56:26Z) May 11, 2011 at 10:56   (/users/334886/uriel-katz) (Uriel Katz's user avatar)    (/users/334886/uriel-katz) Uriel Katz Uriel Katz (reputation score) 187 (1 gold badge)  1  1 gold badge (2 silver badges)  2  2 silver badges (11 bronze badges)  11  11 bronze badges        3 (number of 'useful comment' votes received) 4   just so everybody knows,according to ppl in #nginx and #lighttpd it is not possible to disable request buffering on both of them :( – (/users/334886/uriel-katz) (187 reputation) Uriel Katz  Commented (2011-05-11 12:25:03Z, License: CC BY-SA 3.0) May 11, 2011 at 12:25        For your #3, did you use the http server support built in gevent < 1.0? The latest gevent does not have http support, only wsgi, so I was wondering what to use. I guess I can use Django... – (/users/118536/andr%c3%a9-cruz) (510 reputation) André Cruz  Commented (2012-04-29 10:04:04Z, License: CC BY-SA 3.0) Apr 29, 2012 at 10:04      (number of 'useful comment' votes received) 1   If you server can be assigned multiple IPs then it is possible to bind dedicated upload server to second IP. Consequence is that you need separate host name for it and this may cause cross-domain policy issues on client. – (/users/446210/gertas) (17,155 reputation) gertas  Commented (2012-07-19 07:51:57Z, License: CC BY-SA 3.0) Jul 19, 2012 at 7:51        (Use comments to ask for more information or suggest improvements. Avoid answering questions in comments.) Add a comment |  (Expand to show all comments on this post)          4 Answers 4   Sorted by:  (/questions/5963080/disable-request-buffering-in-nginx?answertab=scoredesc#tab-top) Reset to default   (scoredesc) Highest score (default)  (trending) Trending (recent votes count more)  (modifieddesc) Date modified (newest first)  (createdasc) Date created (oldest first)            This answer is useful  (70:3:31e,16:7c48f8284105ad33,10:1744305280,16:e468a7db2b8880da,8:28056033,4ec3da274cb0e0b546cafb0bf514014217ead934cc058c4297b9705edcf47708) 14  (This answer is not useful)    (70:3:31e,16:46eaf8bcad9903a0,10:1744305280,16:55a1cb2a5ec51d32,8:28056033,6fff1592f9f7a8fbd575fffef62dc9f998496538817eb701cbfdfb0be03b085e)      Save this answer.  (Loading when this answer was accepted…)     (/posts/28056033/timeline)    Show activity on this post.    As soon as this [1] feature is implemented, Nginx is able to act as reverse proxy without buffering for uploads (bug client requests).
It should land in 1.7 which is the current mainline. [1] (http://trac.nginx.org/nginx/ticket/251) http://trac.nginx.org/nginx/ticket/251  Update This feature is available since 1.7.11 via the flag proxy_request_buffering on | off;  (http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_request_buffering) http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_request_buffering    (/a/28056033) (Short permalink to this answer) Share  Share a link to this answer     Copy link (https://creativecommons.org/licenses/by-sa/3.0/) (The current license for this post: CC BY-SA 3.0) CC BY-SA 3.0     (/posts/28056033/edit) () Improve this answer  Follow (70:3:31e,16:70b60585543444ea,10:1744305280,16:50cf26ba6464e434,8:28056033,99ca9f3858af1a3ff1591c7f4398d680d84cb0f9f6734c3b59bf299a91a8cb7f)  Follow this answer to receive notifications       (/posts/28056033/revisions) (show all edits to this post) edited (2015-04-29 10:13:14Z) Apr 29, 2015 at 10:13         answered (2015-01-20 22:07:04Z) Jan 20, 2015 at 22:07   (/users/1821792/vanthome) (vanthome's user avatar)    (/users/1821792/vanthome) vanthome vanthome (reputation score) 4,934 (39 silver badges)  39  39 silver badges (46 bronze badges)  46  46 bronze badges        1 (number of 'useful comment' votes received) 1   Version 1.7.11 published on March 24th 2015 brought this feature – (/users/1086156/basbebe) (577 reputation) basbebe  Commented (2015-04-09 20:40:11Z, License: CC BY-SA 3.0) Apr 9, 2015 at 20:40        (Use comments to ask for more information or suggest improvements. Avoid comments like “+1” or “thanks”.) Add a comment |  (Expand to show all comments on this post)             This answer is useful  (70:3:31e,16:8dc8afe8519bc340,10:1744305280,16:5bbb080e8ba18ba8,8:12288463,823f52ab6c27cbafe78054fce5482dbffe394964ac641c5dd12f4834e57ece3d) 5  (This answer is not useful)    (70:3:31e,16:84378b63d136bc87,10:1744305280,16:51a807dec02769d6,8:12288463,3cb20302b8ffcde5bb2033edb2bc9ee1884293ef2b2f02e9071c3da051a23439)      Save this answer.  (Loading when this answer was accepted…)     (/posts/12288463/timeline)    Show activity on this post.    According to (http://gunicorn.org/deploy.html) Gunicorn , they suggest you use nginx to actually buffer clients and prevent slowloris attacks. So this buffering is likely a good thing. However, I do see an option further down on that link I provided where it talks about removing the proxy buffer, it's not clear if this is within nginx or not, but it looks as though it is. Of course this is under the assumption you have Gunicorn running, which you do not. Perhaps it's still useful to you. EDIT: I did some research and that buffer disable in nginx is for outbound, long-polling data. Nginx states on their (http://wiki.nginx.org/HttpProxyModule) wiki site that inbound requests have to be buffered before being sent upstream. "Note that when using the HTTP Proxy Module (or even when using FastCGI), the entire client request will be buffered in nginx before being passed on to the backend proxied servers. As a result, upload progress meters will not function correctly if they work by measuring the data received by the backend servers."    (/a/12288463) (Short permalink to this answer) Share  Share a link to this answer     Copy link (https://creativecommons.org/licenses/by-sa/3.0/) (The current license for this post: CC BY-SA 3.0) CC BY-SA 3.0     (/posts/12288463/edit) () Improve this answer  Follow (70:3:31e,16:bf6513a50f112068,10:1744305280,16:373dc19db38362e8,8:12288463,ad4fb14c3808f910e5a336a570754e152778e4cdda31ddc0119be654010084ac)  Follow this answer to receive notifications       (/posts/12288463/revisions) (show all edits to this post) edited (2012-09-06 16:14:49Z) Sep 6, 2012 at 16:14         answered (2012-09-05 19:30:54Z) Sep 5, 2012 at 19:30   (/users/1298523/scape) (scape's user avatar)    (/users/1298523/scape) scape scape (reputation score) 707 (13 silver badges)  13  13 silver badges (29 bronze badges)  29  29 bronze badges           (Use comments to ask for more information or suggest improvements. Avoid comments like “+1” or “thanks”.) Add a comment |  (Expand to show all comments on this post)          This answer is useful  (70:3:31e,16:a7b17730d7eea3cd,10:1744305280,16:92f8672388ce9d8a,8:29827961,5b64465324cceec6113037de43b5a854b58321cb11fbd65091a2b72f87f12e17) 5  (This answer is not useful)    (70:3:31e,16:3f86ecb1ebfe55df,10:1744305280,16:9e301b03df8e4fe5,8:29827961,24679d2e5ea4f3d945424c87ac45d9bf021667ad6b9e930add76f1a6a0223535)      Save this answer.  (Loading when this answer was accepted…)     (/posts/29827961/timeline)    Show activity on this post.    Now available in nginx since version nginx-1.7.11. See documentation (http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_request_buffering) http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_request_buffering  To disable buffering the upload specify proxy_request_buffering off;     (/a/29827961) (Short permalink to this answer) Share  Share a link to this answer     Copy link (https://creativecommons.org/licenses/by-sa/3.0/) (The current license for this post: CC BY-SA 3.0) CC BY-SA 3.0     (/posts/29827961/edit) () Improve this answer  Follow (70:3:31e,16:c6551a9a1839e2cc,10:1744305280,16:e2b1a4b4f0d1152a,8:29827961,a9ef267e8be01f2c975a66b36a22003007ce239e1f5429f1eb86d60e16d210a7)  Follow this answer to receive notifications       answered (2015-04-23 15:28:48Z) Apr 23, 2015 at 15:28   (/users/3016377/philip) (Philip's user avatar)    (/users/3016377/philip) Philip Philip (reputation score) 51 (2 silver badges)  2  2 silver badges (2 bronze badges)  2  2 bronze badges           (Use comments to ask for more information or suggest improvements. Avoid comments like “+1” or “thanks”.) Add a comment |  (Expand to show all comments on this post)             This answer is useful  (69:3:31e,16:587bfa56682d0247,10:1744305280,16:acdaf01e9571059b,7:6533280,4890ec0f650c05dd62b8cdc7cb632985a11b9917ad34b7fc0e6426ec4c3afba5) -1  (This answer is not useful)    (69:3:31e,16:096bc195941b87f4,10:1744305280,16:95f656787b5e0dd9,7:6533280,52f5a0b50d6d35adf24ac312cf81e46d49aa8d65a47ceb95c136c4253e23d211)      Save this answer.  (Loading when this answer was accepted…)     (/posts/6533280/timeline)    Show activity on this post.    I'd look into haproxy to fulfill this need.    (/a/6533280) (Short permalink to this answer) Share  Share a link to this answer     Copy link (https://creativecommons.org/licenses/by-sa/3.0/) (The current license for this post: CC BY-SA 3.0) CC BY-SA 3.0     (/posts/6533280/edit) () Improve this answer  Follow (69:3:31e,16:dfc50f96309e201e,10:1744305280,16:9ee36fa1f58cd1f7,7:6533280,74deca68ca498f7cc97a88edebb8b8af45364c76230cf62f0ffb51e8cf799915)  Follow this answer to receive notifications       answered (2011-06-30 10:18:08Z) Jun 30, 2011 at 10:18   (/users/105456/tmc) (tmc's user avatar)    (/users/105456/tmc) tmc tmc (reputation score) 726 (7 silver badges)  7  7 silver badges (15 bronze badges)  15  15 bronze badges        1   HA proxy doesn't support SSL, other that that AFAIK it only processes first request's headers in keep-alive session. – (/users/446210/gertas) (17,155 reputation) gertas  Commented (2012-07-19 07:47:14Z, License: CC BY-SA 3.0) Jul 19, 2012 at 7:47        (Use comments to ask for more information or suggest improvements. 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