[jira] [Updated] (COUCHDB-1791) Initial index of views is highly fragmented

["James Howe (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COUCHDB-1791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

James Howe updated COUCHDB-1791:
--------------------------------

    Affects Version/s: 1.2.1
    
> Initial index of views is highly fragmented
> -------------------------------------------
>
>                 Key: COUCHDB-1791
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1791
>             Project: CouchDB
>          Issue Type: Improvement
>          Components: JavaScript View Server
>    Affects Versions: 1.2.1
>            Reporter: James Howe
>
> {code:javascript}
> function(doc) {
>   if (doc.a === 'b') { emit(doc._id, null); }
> }
> {code}
> This view, running on CouchDB 1.2.1, takes 16 minutes to index from scratch on an inactive database, creating a 2.5GB file.
> After compaction, the file is then only 157MB.
> Can we do something about this waste of disk I/O, such that the initial index is smaller to start with?

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