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From "Robert Newson (JIRA)" <>
Subject [jira] [Commented] (COUCHDB-1642) Unmanaged file handle resource
Date Sat, 12 Jan 2013 12:26:12 GMT


Robert Newson commented on COUCHDB-1642:

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

> Unmanaged file handle resource
> ------------------------------
>                 Key: COUCHDB-1642
>                 URL:
>             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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