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https://issues.apache.org/jira/browse/COUCHDB-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13551899#comment-13551899
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Robert Newson commented on COUCHDB-1642:
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CouchDB enforces a cap on file descriptor usage through the max_dbs_open
configuration property. Idle databases are closed to allow other databases to
be opened. I don't recognize Erlang or CouchDB in the rest of your assertions.
Can you describe the problem you're encountering in detail, preferably with
error output from CouchDB?
> Unmanaged file handle resource
> ------------------------------
>
> Key: COUCHDB-1642
> URL: https://issues.apache.org/jira/browse/COUCHDB-1642
> Project: CouchDB
> Issue Type: Bug
> Components: Database Core
> Reporter: James Bowery
>
> Attempting to use couchapp, I ran into an issue that a lot of other people
> have encountered, and that is the fact that Erlang's aggressive parallelism
> inside couchdb is not tempered by awareness of the limit on the number of
> file handles that can be allocated in the OS. In ordinary -- serialized --
> systems this isn't much of a problem. Perhaps this is actually an Erlang
> issue but it does crop up in couchdb due to the potential handling of large
> numbers of files.
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