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https://issues.apache.org/jira/browse/COUCHDB-1266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Filipe Manana updated COUCHDB-1266:
-----------------------------------
Description:
This proposal is simply to allow the output of _active_tasks to be less rigid.
Basically to allow each task to be able to output different JSON fields.
Somethings like the status text simply go away. Instead application can built
it based on more granular fields provided by _active_tasks.
Some examples:
1) "progress" (an integer percentage, for all tasks)
2) "database" (for compactions and indexer tasks)
3) "design_document" (for indexer and view compaction tasks)
4) "source" and "target" (for replications)
5) "docs_read", "docs_written", "doc_write_failures",
"missing_revs_found", "missing_revs_checked", "source_seq",
"checkpointed_source_seq" and "continuous" for replications
was:
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
Summary: Make _active_tasks more flexible (was: Add stats field to
_active_tasks)
> Make _active_tasks more flexible
> --------------------------------
>
> 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 allow the output of _active_tasks to be less
> rigid. Basically to allow each task to be able to output different JSON
> fields.
> Somethings like the status text simply go away. Instead application can built
> it based on more granular fields provided by _active_tasks.
> Some examples:
> 1) "progress" (an integer percentage, for all tasks)
> 2) "database" (for compactions and indexer tasks)
> 3) "design_document" (for indexer and view compaction tasks)
> 4) "source" and "target" (for replications)
> 5) "docs_read", "docs_written", "doc_write_failures",
> "missing_revs_found", "missing_revs_checked", "source_seq",
> "checkpointed_source_seq" and "continuous" for replications
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