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From "Filipe Manana (JIRA)" <>
Subject [jira] [Assigned] (COUCHDB-1153) Database and view index compaction daemon
Date Wed, 15 Jun 2011 09:24:47 GMT


Filipe Manana reassigned COUCHDB-1153:

    Assignee: Filipe Manana

> Database and view index compaction daemon
> -----------------------------------------
>                 Key: COUCHDB-1153
>                 URL:
>             Project: CouchDB
>          Issue Type: New Feature
>         Environment: trunk
>            Reporter: Filipe Manana
>            Assignee: Filipe Manana
>            Priority: Minor
>              Labels: compaction
> I've recently written an Erlang process to automatically compact databases and they're
views based on some configurable parameters. These parameters can be global or per database
and are: minimum database fragmentation, minimum view fragmentation, allowed period and "abortion"
(whether an ongoing compaction should be stopped if it doesn't finish within the allowed period).
These fragmentation values are based on the recently added "data_size" parameter to the database
and view group information URIs (COUCHDB-1132).
> I've documented the .ini configuration here:
> The full patch is mostly a new module but also does some minimal changes and a small
refactoring to the view compaction code, not changing the current behaviour.
> Patch is at:
> By default the daemon is idle, without any configuration enabled. I'm open to suggestions
on additional parameters and a better configuration system.

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