codelipenghui opened a new pull request #6052: [PIP-54] Acknowledgement for batch message local index URL: https://github.com/apache/pulsar/pull/6052 Fixes #5969 ### Motivation Add support for ack batch message local index. Can be disabled at broker side by set batchIndexAcknowledgeEnable=false at broker.conf PIP-54 documentation will be created soon. ### Modifications 1. Managed cursor support track and persistent local index of batch message. 2. Client support send batch index ack to broker. 3. The batch messages with index ack information dispatched to the client. 4. Client skip the acked index. ### Verifying this change New unit tests added ### Does this pull request potentially affect one of the following parts: *If `yes` was chosen, please highlight the changes* - Dependencies (does it add or upgrade a dependency): (no) - The public API: (no) - The schema: (no) - The default values of configurations: (no) - The wire protocol: (yes) - The rest endpoints: (no) - The admin cli options: (no) - Anything that affects deployment: (no) ### Documentation - Does this pull request introduce a new feature? (yes)
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