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From "Filipe Manana (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COUCHDB-1266) Add stats field to _active_tasks
Date Sat, 17 Sep 2011 01:11:10 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-1266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13106979#comment-13106979
] 

Filipe Manana commented on COUCHDB-1266:
----------------------------------------

I just rebased the patch on current trunk, after Paul's view refactoring:

https://github.com/fdmanana/couchdb/commit/9c5481157fc47090a20fe098eb18a7cdcc823231

I'll rename this ticket's title, as the purpose is no longer to add a "stats" field but rather
to make _active_tasks more generic, less rigid, and allow different tasks to specify different
properties.

> 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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