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https://issues.apache.org/jira/browse/ZOOKEEPER-4956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18022978#comment-18022978
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Li Wang commented on ZOOKEEPER-4956:
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Implementation Details:
* DnsSrvHostProvider: New HostProvider implementation that performs DNS SRV
lookups to discover ZooKeeper servers
* HostConnectionManager: Extracted connection management and reconfiguration
logic from StaticHostProvider into a reusable component
* StaticHostProvider Refactoring: Modified to use HostConnectionManager for
consistent connection management and reconfiguration handling across different
providers
* Configuration: Added zookeeper.hostProvider.dnsSrvRefreshIntervalMs client
property for DNS refresh intervals
> Provide a HostProvider that uses DNS SRV record for dynamic server discovery
> ----------------------------------------------------------------------------
>
> Key: ZOOKEEPER-4956
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4956
> Project: ZooKeeper
> Issue Type: New Feature
> Components: java client
> Environment: *
> Reporter: Li Wang
> Priority: Major
>
> Currently, ZooKeeper clients use static configuration of server endpoints
> through connection strings. This creates operational challenges in dynamic
> environments like cloud deployments, container orchestration platforms, and
> auto-scaling scenarios.
> For example, server topology change requires updating all client
> configurations and potentially restarting al client applications.
> This ticket provides a `DnsSrvHostProvider` that leverages DNS SRV records
> for dynamic service discovery, allowing clients to automatically discover
> ZooKeeper servers without hardcoded configuration.
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