[GitHub] jamesyfshao opened a new pull request #3869: add config to control kafka fetcher size and increase default

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

jamesyfshao opened a new pull request #3869: add config to control kafka fetcher size and increase default
URL: https://github.com/apache/incubator-pinot/pull/3869
 
 
   1. currently we hardcode the fetcher size to 500k. If this consumer fetched a larger message we will fail simple consumer silently and kafka consumer will get stuck. Our previous attempts try to fix this issue (https://github.com/apache/incubator-pinot/pull/3584) turns out to be not completed and we verify that we need one more fix
   
   2. we increase the default from 500k to 5m to handle more use-cases and pinot consumer should handle it fine for larger memory.

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