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From "Jyrki Pulliainen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (COUCHDB-743) Sending attachments via new HTTP API is slow if attachment size is bigger than 1024 bytes
Date Mon, 19 Apr 2010 10:50:50 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12858450#action_12858450
] 

Jyrki Pulliainen commented on COUCHDB-743:
------------------------------------------

Seems like the 100 continue timeout. Below is the output of the curl


start:13:48:02.577094054
* About to connect() to 127.0.0.1 port 5984 (#0)
*   Trying 127.0.0.1... connected
* Connected to 127.0.0.1 (127.0.0.1) port 5984 (#0)
> PUT /test/0/attachment?rev=1-967a00dff5e02add41819138abb3284d HTTP/1.1
> User-Agent: curl/7.19.5 (i486-pc-linux-gnu) libcurl/7.19.5 OpenSSL/0.9.8g zlib/1.2.3.3
libidn/1.15
> Host: 127.0.0.1:5984
> Accept: */*     
> Content-Type: text/plain
> Content-Length: 1025
> Expect: 100-continue
>                 
* Done waiting for 100-continue
< HTTP/1.1 201 Created
< Server: CouchDB/0.10.0 (Erlang OTP/R13B)
< Location: http://127.0.0.1:5984/test/0/attachment
< Date: Mon, 19 Apr 2010 10:48:04 GMT
< Content-Type: text/plain;charset=utf-8
< Content-Length: 64
< Cache-Control: must-revalidate
<                 
{"ok":true,"id":"0","rev":"2-12b3cf68d8d3ef1279205787939e2e27"}
* Connection #0 to host 127.0.0.1 left intact
* Closing connection #0
end:13:48:04.596758573


> Sending attachments via new HTTP API is slow if attachment size is bigger than 1024 bytes
> -----------------------------------------------------------------------------------------
>
>                 Key: COUCHDB-743
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-743
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Database Core, HTTP Interface
>    Affects Versions: 0.10, 0.10.1
>         Environment: Ubuntu Karmic (9.10) with CouchDB 0.10.0. According to IRC conversations,
also reproduced with 0.10.1
>            Reporter: Jyrki Pulliainen
>
> When using HTTP PUT to store attachments the request takes exactly one second to finish
when the attachment size is 1025 bytes or more. This behaviour does not occur with inline
attachments.
> Here's a bash script to reproduce the behaviour (requires curl and python >= 2.6)
> #!/bin/sh
> size=1025
> curl -X DELETE http://localhost:5984/test
> curl -X PUT http://localhost:5984/test
> docid=0
> while true; do
>     rev=`curl -s -X PUT http://localhost:5984/test/$docid --data-binary '{}' | python
-c "import json; import sys; print json.load(sys.stdin)['rev']"`
>     echo -n "start:"; date '+%H:%M:%S.%N'
>     head -c $size /dev/urandom | curl -s -X PUT -H 'Content-Type: text/plain' http://localhost:5984/test/$docid/attachment\?rev=$rev
--data-binary @-
>     echo -n "end:"; date '+%H:%M:%S.%N'
>     docid=$(($docid+1))
> done

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