Github user rnewson commented on the pull request:
https://github.com/apache/couchdb-couch/pull/161#issuecomment-209524096
@kxepal: because the kernel/filesystem will devote itself to freeing the
blocks, it causes all other reads/writes to suffer hugely. It _is_ more
expensive to repeatedly truncate vs simple delete, but it's spaced out over
time so affects other operations considerably less.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
