ByteBuf returned by BookKeeper triggers CRC Checksum calculation when calling "readBytes"
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type/bug
- Dominant language
- Java
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Description
**BUG REPORT**
***Describe the bug***
I have developting a Pulsar BrokerInterceptor. The BrokerInterceptor is able to process the data that Pulsar read from BookKeeper, without memory copies.
While analysing a flamegraph I have seen that the ByteBuf returned by BookKeeper shows this weird behaviour and uses lot of CPU.
This is a flame graph. The version of BookKeeper is based on latest 4.16.x
***To Reproduce***
See the flamegraph
***Expected behavior***
readBytes has very little overhead
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