merlimat commented on PR #15033:
URL: https://github.com/apache/pulsar/pull/15033#issuecomment-1252613717
> Here I use the default value of maxComponent, which is 16. Because I was
not sure what exact value to set.
> But on the whole, the buffer will be allocated lazily, which means fewer
wasted memory. To some extent, it achieves the purpose of saving memory.
Allocating many small buffers will have a significant large impact compared
to allocating 1 single large buffer:
1. Netty allocator synchronization
2. Scattered write on the socket from many small buffers
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