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https://issues.apache.org/jira/browse/HBASE-13252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mikhail Antonov updated HBASE-13252:
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Release Note:
For a long time, HBase supported 2 types of connections - managed, which were
cached and closed automatically when not needed, and unmanaged, where user is
responsible for closing the connections by calling #close() on them.
The concept of managed connections in HBase (deprecated before) has now been
extinguished completely, and now all callers are responsible for managing the
lifecycle of connections they acquire.
was:
For a long time, HBase supported 2 types of connections - managed, which were
cached and closed automatically when not needed, and unmanaged, where user was
responsible for closing the connections by calling #close() on them.
The concept of managed connections in HBase (deprecated before) has now been
extinguished, and now all callers are responsible for managing the lifecycle of
connections they acquire.
> Get rid of managed connections and connection caching
> -----------------------------------------------------
>
> Key: HBASE-13252
> URL: https://issues.apache.org/jira/browse/HBASE-13252
> Project: HBase
> Issue Type: Sub-task
> Components: API
> Affects Versions: 2.0.0
> Reporter: Mikhail Antonov
> Assignee: Mikhail Antonov
> Fix For: 2.0.0
>
> Attachments: HBASE-13252-v0.patch, HBASE-13252-v1.patch,
> HBASE-13252-v1.patch, HBASE-13252-v2.patch, HBASE-13252-v2.patch,
> HBASE-13252-v3.patch, HBASE-13252-v4.patch, HBASE-13252-v5.patch
>
>
> (Need to):
> - Remove CONNECTION_INSTANCES from ConnectionManager
> - Remove HConnectionKey
> - Remove 'managed' property from ClusterConnection, HCI and places where
> it's used now
> - AFAIS this property isn't visible to client (ClusterConnection is private
> interface), so technically this would not even be backward-incompatible
> change, and no release note needed?
> - In fact, ConnectionManager can be removed, too.
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