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https://issues.apache.org/jira/browse/COUCHDB-1441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13230531#comment-13230531
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Dave Cottlehuber commented on COUCHDB-1441:
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should have added that this requires admin access to DB or server to do this,
its not a DoS opportunity. More like "rm -rf may cause premature data & job
loss".
> _rewrite handler loops cause cpu load and swap of death
> -------------------------------------------------------
>
> Key: COUCHDB-1441
> URL: https://issues.apache.org/jira/browse/COUCHDB-1441
> Project: CouchDB
> Issue Type: Bug
> Components: HTTP Interface
> Environment: debian testing
> Reporter: Ronny Pfannschmidt
>
> when creating a simple _rewrite loop, the db will start to eat cpu and take
> more & more memory
> for testing i created:
> {"_id":"_design/loopa","rewrites":[{"from":"","to":"../loopb/_rewrite"}]}
> {"_id":"_design/loopb","rewrites":[{"from":"","to":"../loopa/_rewrite"}]}
> accessing $dburi/_design/loopa/_rewrite/ will start the loop
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