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Posted to dev@couchdb.apache.org by "Chris Anderson (JIRA)" <ji...@apache.org> on 2010/04/14 19:16:48 UTC
[jira] Created: (COUCHDB-736) stale-ok view queries can return
inconsistent partial results
stale-ok view queries can return inconsistent partial results
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Key: COUCHDB-736
URL: https://issues.apache.org/jira/browse/COUCHDB-736
Project: CouchDB
Issue Type: Bug
Affects Versions: 0.11
Reporter: Chris Anderson
since r796805 requests to views with the stale=ok option have returned partially computed index results. This changed the semantics of views. This ticket is about maintaining the old semantics.
This should be changed so stale=ok only returns what would be returned by a normal view request. stale=partial would be an OK name for an option to provide the current behavior.
The best way to fix this would be to store the NewGroup sent on the partial_update cast in #group_state.partial_group instead of #group_state.group
This will also eliminate the (rare) changes of serving inconsistent results with a regular view query.
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[jira] Commented: (COUCHDB-736) stale-ok view queries can return
inconsistent partial results
Posted by "Adam Kocoloski (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/COUCHDB-736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12856982#action_12856982 ]
Adam Kocoloski commented on COUCHDB-736:
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We'll need to make sure to save this partial_group to disk somehow. We can't go back to the old way of requiring a (potentially huge) first pass at indexing to complete successfully before we save durable checkpoints.
> stale-ok view queries can return inconsistent partial results
> -------------------------------------------------------------
>
> Key: COUCHDB-736
> URL: https://issues.apache.org/jira/browse/COUCHDB-736
> Project: CouchDB
> Issue Type: Bug
> Affects Versions: 0.11
> Reporter: Chris Anderson
>
> since r796805 requests to views with the stale=ok option have returned partially computed index results. This changed the semantics of views. This ticket is about maintaining the old semantics.
> This should be changed so stale=ok only returns what would be returned by a normal view request. stale=partial would be an OK name for an option to provide the current behavior.
> The best way to fix this would be to store the NewGroup sent on the partial_update cast in #group_state.partial_group instead of #group_state.group
> This will also eliminate the (rare) changes of serving inconsistent results with a regular view query.
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[jira] Updated: (COUCHDB-736) stale-ok view queries can return
inconsistent partial results
Posted by "Paul Joseph Davis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/COUCHDB-736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paul Joseph Davis updated COUCHDB-736:
--------------------------------------
Skill Level: Regular Contributors Level (Easy to Medium)
> stale-ok view queries can return inconsistent partial results
> -------------------------------------------------------------
>
> Key: COUCHDB-736
> URL: https://issues.apache.org/jira/browse/COUCHDB-736
> Project: CouchDB
> Issue Type: Bug
> Affects Versions: 0.11
> Reporter: Chris Anderson
>
> since r796805 requests to views with the stale=ok option have returned partially computed index results. This changed the semantics of views. This ticket is about maintaining the old semantics.
> This should be changed so stale=ok only returns what would be returned by a normal view request. stale=partial would be an OK name for an option to provide the current behavior.
> The best way to fix this would be to store the NewGroup sent on the partial_update cast in #group_state.partial_group instead of #group_state.group
> This will also eliminate the (rare) changes of serving inconsistent results with a regular view query.
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