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From Jason Winshell <ja...@jasonwinshell.com>
Subject Super slow attachment upload speed on localhost
Date Wed, 12 Feb 2014 17:32:48 GMT
Hello,

I am finding that uploading an attachment to CouchDB 1.5 is incredibly slow when transferring
from curl. Both curl and Couch are running on localhost (no network). I switched to a curl
test after seeing the same problem with Futon and the Ektorp framework. I tried the loopback
address, 127.0.0.1 too.

For a 3MB file with curl I'm seeing a 22-25 second upload. curl says the average upload speed
is 146K/sec. What's going on? Why is Couch taking so long to process the attachment stream?
 

HELP!

Thanks

Jason

Platform: Mac OS X 10.9.1 (Mavericks), CouchdB 1.5, 16GB ram, 1TB disk, 2.2ghz i7

curl command:

 ~ > curl -vX PUT 'http://127.0.0.1:5984/justfiles/doc1/myrandom.dat' --data-binary @myrandom.dat
-H "Content-Type: application/octet-stream" > response
* About to connect() to 127.0.0.1 port 5984 (#0)
*   Trying 127.0.0.1...
* Adding handle: conn: 0x7fedaa004000
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0x7fedaa004000) send_pipe: 1, recv_pipe: 0
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0* Connected
to 127.0.0.1 (127.0.0.1) port 5984 (#0)
> PUT /justfiles/doc1/myrandom.dat HTTP/1.1
> User-Agent: curl/7.30.0
> Host: 127.0.0.1:5984
> Accept: */*
> Content-Type: application/octet-stream
> Content-Length: 3145728
> Expect: 100-continue
> 
< HTTP/1.1 100 Continue
} [data not shown]
 84 3072k    0     0   84 2608k      0   125k  0:00:24  0:00:20  0:00:04  125k< HTTP/1.1
201 Created
* Server CouchDB/1.5.0 (Erlang OTP/R16B01) is not blacklisted
< Server: CouchDB/1.5.0 (Erlang OTP/R16B01)
< Location: http://127.0.0.1:5984/justfiles/doc1/myrandom.dat
< ETag: "10-05bebacc7fc5273e6164a1d32e188b05"
< Date: Wed, 12 Feb 2014 17:28:34 GMT
< Content-Type: text/plain; charset=utf-8
< Content-Length: 68
< Cache-Control: must-revalidate
< 
{ [data not shown]
100 3072k  100    68  100 3072k      3   146k  0:00:22  0:00:20  0:00:02  112k
* Connection #0 to host 127.0.0.1 left intact
 ~ > cat response 
{"ok":true,"id":"doc1","rev":"10-05bebacc7fc5273e6164a1d32e188b05"}
 ~ > 
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