[jira] [Commented] (COUCHDB-3054) chttpd cache invalidation is slow

["Robert Newson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/COUCHDB-3054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15371006#comment-15371006 ] 

Robert Newson commented on COUCHDB-3054:
----------------------------------------

my final statement about closing dbs is false as it turns out, obviously it reopens the db in order to keep_sending_changes

> chttpd cache invalidation is slow
> ---------------------------------
>
>                 Key: COUCHDB-3054
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-3054
>             Project: CouchDB
>          Issue Type: Bug
>            Reporter: Robert Newson
>
> The chttpd_auth_cache module follows the changes feed of the clustered _users database in order to invalidate the cache whenever a document changes.
> This can take over a minute to occur. It turns out we kill the changes feed process when we receive a heartbeat and restart the feed, leading to a long delay.
> We do want to stop periodically in order to close databases that might have been compacted.



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