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From "Paul Joseph Davis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (COUCHDB-1266) Add stats field to _active_tasks
Date Tue, 30 Aug 2011 23:32:09 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-1266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paul Joseph Davis updated COUCHDB-1266:
---------------------------------------

    Attachment: alternate-api.patch

After thinking about it for a few more minutes there's no reason to even carry the prop list
around, we can just give couch_task_status an API to mutate its internal task representation.
This saves even more code and makes the whole thing quite a bit more friendly.

> Add stats field to _active_tasks
> --------------------------------
>
>                 Key: COUCHDB-1266
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1266
>             Project: CouchDB
>          Issue Type: Improvement
>            Reporter: Filipe Manana
>            Assignee: Filipe Manana
>             Fix For: 1.2
>
>         Attachments: alternate-api.patch
>
>
> This proposal is simply to add a "stats" field to the _active_tasks results. This field
can be an arbitrary JSON value and each task can set it to whatever is appropriate for it.The
following patch also defines some basic stats for the existing tasks:
> 1) database compaction - # changes done, total changes, # of revisions copied, # of attachments
copied and progress (an integer percentage, same as what is exposed in the existing text field
"status");
> 2) view compaction - # of ids copied, total number of ids, # of kvs copied, total number
of kvs and progress
> 3) view indexing - # changes done, total changes, # inserted kvs, # deleted kvs, progress
> 4) replication - # missing revisions checked, # missing revisions found, # docs read,
# docs written, # doc write failures, source seq number, checkpointed source seq number, progress.
> A screenshot of Futon with 3 different tasks:
> http://dl.dropbox.com/u/25067962/active_tasks_stats.png
> Patch at:
> https://github.com/fdmanana/couchdb/compare/task_stats.diff

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