Github user eiri commented on the pull request:
https://github.com/apache/couchdb-couch/pull/161#issuecomment-207643204
@rnewson My goal was not change the delete process, but to preserve
existing behaviour and the code does _exactly_ what've been done here
previously. My understanding from your comment in linked jira is that it was
done this way, so if Couch goes down during a long delete the file still be
purged on a restart.
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