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From "Joel Bernstein (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-13220) Allow jdbc Streaming Expression to lazily cache connections
Date Thu, 18 Apr 2019 22:30:00 GMT

     [ https://issues.apache.org/jira/browse/SOLR-13220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joel Bernstein updated SOLR-13220:
----------------------------------
    Summary: Allow jdbc Streaming Expression to lazily cache connections  (was: jdbc Streaming
Expression should lazily cache connections)

> Allow jdbc Streaming Expression to lazily cache connections
> -----------------------------------------------------------
>
>                 Key: SOLR-13220
>                 URL: https://issues.apache.org/jira/browse/SOLR-13220
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>            Priority: Major
>
> The jdcb Streaming Expression currently opens and closes the database connection with
each call. This hinders performance and scalability. This ticket will allow the jdbc stream
to lazily cache the connection in a cache managed by the stream handler.
> The connectionUrl will be hashed to create a key to the cache. The connection will also
be refreshed (closed/opened) periodically to ensure that they are not timed out during periods
of inactivity.



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