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From "Paul Carey (JIRA)" <j...@apache.org>
Subject [jira] Created: (COUCHDB-180) Too many view files may be held open, rendering CouchDB unusable
Date Sat, 20 Dec 2008 16:39:44 GMT
Too many view files may be held open, rendering CouchDB unusable
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                 Key: COUCHDB-180
                 URL: https://issues.apache.org/jira/browse/COUCHDB-180
             Project: CouchDB
          Issue Type: Bug
          Components: JavaScript View Server
    Affects Versions: 0.9
         Environment: OS X 10.5.5
            Reporter: Paul Carey
         Attachments: test_for_open_files.js

On trunk (rev 728285), CouchDB will hold onto view files for a certain request pattern. 

Once a threshold of open files has been exceeded, all requests to CouchDB will result in {error,emfile}.

The attached test case runs through the following sequence n times.

delete db
create db
create doc
query non existant view
create view
query view

On my machine a value of about 250 for n is enough for the threshold to be exceeded. Regardless,
running lsof clearly shows CouchDB holding multiple refs to the same view file.

 

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