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From "Jyrki Pulliainen (JIRA)" <j...@apache.org>
Subject [jira] Created: (COUCHDB-743) Sending attachments via new HTTP API is slow if attachment size is bigger than 1024 bytes
Date Mon, 19 Apr 2010 09:10:50 GMT
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: 0.10.1, 0.10
         Environment: Ubuntu Karmic (9.10) with CouchDB 0.10.0. According to IRC conversations,
also reproduced with 0.10.1
            Reporter: Jyrki Pulliainen


#!/bin/sh

size=1025
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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