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Posted to notifications@couchdb.apache.org by "Chris Elder (JIRA)" <ji...@apache.org> on 2017/05/23 19:33:04 UTC
[jira] [Closed] (COUCHDB-3409) CouchDB has intermittent 30sec
delays
[ https://issues.apache.org/jira/browse/COUCHDB-3409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris Elder closed COUCHDB-3409.
--------------------------------
Resolution: Not A Bug
This is an environmental issue caused by running a docker CouchDB image inside of a Vagrant development environment.
> CouchDB has intermittent 30sec delays
> -------------------------------------
>
> Key: COUCHDB-3409
> URL: https://issues.apache.org/jira/browse/COUCHDB-3409
> Project: CouchDB
> Issue Type: Bug
> Components: HTTP Interface
> Reporter: Chris Elder
>
> CouchDB has intermittent 30 delays processing requests when CouchDB is installed in a docker image. This occurs for PUT, POST and GET operations.
> The following is a shell script used to replicate the error:
> (the database insert_test was created manually)
> Problem usually occurs after 100 to 300 inserts during testing.
> --------------------------
> #!/bin/bash
> for i in {1..500}
> do
> echo "Test insert $i"
> curl -H 'Content-Type: application/json' \
> -X POST http://127.0.0.1:15984/insert_test \
> -d '{"name": "marble"}'
> done
> --------------------------
> The following is an extract of the log showing a 30 second delay on a POST operation.
> [notice] 2017-05-03T20:46:29.549696Z nonode@nohost <0.17192.22> de7d93ef52 127.0.0.1:15984 10.0.2.2 undefined POST /connecttest 201 ok 4
> [notice] 2017-05-03T20:47:00.397842Z nonode@nohost <0.17198.22> 8d31c7ad19 127.0.0.1:15984 10.0.2.2 undefined POST /connecttest 201 ok 30838
> [notice] 2017-05-03T20:47:00.414558Z nonode@nohost <0.17808.22> f75a66f6cb 127.0.0.1:15984 10.0.2.2 undefined POST /connecttest 201 ok 3
> [notice] 2017-05-03T20:47:00.437651Z nonode@nohost <0.17809.22> 0c53e2bbcf 127.0.0.1:15984 10.0.2.2 undefined POST /connecttest 201 ok 13
> The following is the default.ini used:
> -----------------------------------------------
> ; CouchDB Configuration Settings
> ; Custom settings should be made in this file. They will override settings
> ; in default.ini, but unlike changes made to default.ini, this file won't be
> ; overwritten on server upgrade.
> [chttpd]
> bind_address = 0.0.0.0
> [couchdb]
> ; Specify the location of the database in container.
> ; Optionally, these directories can be mounted in the host via docker.
> database_dir = /opt/couchdb/data/
> view_index_dir = /opt/couchdb/data/
> uri_file = /opt/couchdb/data/couch.uri
> ; only allow the admin user to connect
> ; Uncomment the following statement to enable admin user security.
> ; default_security = admin_only
> ; allow delayed commits since peer manages savepoints and flushing to disk
> delayed_commits = true
> [cluster]
> ; peer maintains a single replica
> n = 1
> ; adjust q to set the level of parallelism locally
> ; recommended to have no more than 10 million documents/shard (q)
> ; for 100 million documents, q=10 -- at a minimum
> q = 8
> [log]
> writer = file
> file = /opt/couchdb/logs/couchdb.log
> level = info
> ; Uncomment the following two statements to enable admin user security.
> ; [httpd]
> ; www-authenticate = Basic realm="administrator"
> [couch_httpd_auth]
> ; Uncomment the following statement to enable admin user security.
> ; require_valid_user = true
> iterations = 1000 ; iterations for password hashing
> ; Uncomment the following two statements to enable admin user security.
> ; [admins]
> ; admin = admin
> [attachments]
> compressible_types = text/*, application/javascript, application/json, application/xml, application/octet-stream
> -----------------------------------------------
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