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https://issues.apache.org/jira/browse/COUCHDB-1986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13885207#comment-13885207
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Alexander Shorin commented on COUCHDB-1986:
-------------------------------------------
Repost from dev@ ML with small fixes.
I added a bit more logging to ibrowse and couch_replicator and it seems that it
takes ~120 secs to transfer single document with 9MB attachment in case
remote->local where remote is the same localhost. Here is the output:
{code}
[info] [<0.342.0>] <0.336.0>: requesting post
"http://127.0.0.1:27786/couch_test_rep_db_b/_revs_diff";
[{"Accept","application/json"},
{"Content-Type","application/json"},
{"User-Agent","CouchDB/0.0.0"}]
[info] [<0.342.0>] <0.336.0>: got response in 0 sec
[info] [<0.342.0>] <0.336.0>: requesting put
"http://127.0.0.1:27786/couch_test_rep_db_b/doc9?new_edits=false";
[{"Accept","application/json"},
{"Content-Length",9019252},
{"Content-Type","multipart/related;boundary=\"d0b1be0e0754a41b1dd5db669ed0f29b\""},
{"User-Agent","CouchDB/0.0.0"}]
[info] [<0.342.0>] <0.336.0>: got response in 120 sec
[info] [<0.342.0>] <0.336.0>: requesting post
"http://127.0.0.1:27786/couch_test_rep_db_b/_revs_diff";
[{"Accept","application/json"},
{"Content-Type","application/json"},
{"User-Agent","CouchDB/0.0.0"}]
[info] [<0.342.0>] <0.336.0>: got response in 0 sec
{code}
the test fails with timeout during transferring of the third document.
And here is more interesting logs:
https://www.friendpaste.com/7BOCpdlWxnDpmRWXsNQjI7
I added logging around gen_tcp:send call at:
https://github.com/apache/couchdb/blob/master/src/ibrowse/ibrowse_http_client.erl#L560
do_send/2 >>> - before gen_tcp:send call
do_send/2 <<< - after gen_tcp:send call
Note how the timings rapidly starts but very soon it hits some limitation and
transfer goes by very short chunks which are split by the gen_tcp:send call and
timeout lasts always around 200 milliseconds. Also sometimes the next message
arrives from ibrowse tracing:
2014-1-29_9:6:25:259 -- (127.0.0.1:55867) - Inactivity timeout triggered.
Shutting down connection
Any ideas?
> 04-replication-large-atts.t times out
> -------------------------------------
>
> Key: COUCHDB-1986
> URL: https://issues.apache.org/jira/browse/COUCHDB-1986
> Project: CouchDB
> Issue Type: Bug
> Components: Replication
> Affects Versions: 1.5.0
> Reporter: Jan Lehnardt
>
> 04-replication-large-atts.t gets stuck around 558, sometimes a little earlier
> or later, but it times out eventually, regardless of the timeout. I tried
> doubling and such.
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