[GitHub] [pulsar] eolivelli commented on issue #16680: PIP-191: Support batched message using entry filter

[GitBox <gi...@apache.org>]

eolivelli commented on issue #16680:
URL: https://github.com/apache/pulsar/issues/16680#issuecomment-1191420830

   I understand the problem, and I have already thought about it, because I am the author of some filters (especially the JMS Selectors Filter) but we have to clarify more this PIP.
   
   1. It is not clear to me if you want to push all the messages metadata in the main header of the entry or only the metatadata of the first entry, or only the KEY.
   2. we have to clarify the new message format of the entry and update the protocol documents
   3. existing EntryFilters won't be able to work well with the new format, we must find a way to make them fail and not process garbage
   4. the same problem applies to Interceptors and Protocol Handlers (like KOP), we must make it clear in this PIP what is the upgrade path and give some suggestions to the developers of such components
   
   


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