erobot opened a new pull request #8749:
URL: https://github.com/apache/pulsar/pull/8749
Fixes #8734
### Motivation
Batch message should reserve some buffers for subsequent messages. See #8734
for performance impact case.
### Modifications
Double buffer size everytime when not enough room. For new size, use
maxMessageSizeInBytes for max hint and current buffer size + requiredSpace for
min.
### Verifying this change
Can fix performance impact case of #8734.
### Does this pull request potentially affect one of the following parts:
- 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: (no)
- The rest endpoints: (no)
- The admin cli options: (no)
- Anything that affects deployment: (no)
### Documentation
- Does this pull request introduce a new feature? (no)
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