Allow disabling send size zerocopy for rdma #2267
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请问什么情况下需要zero copy，什么情况下不能做zero copy呢？ |
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理论上都应该做zero copy。关闭zery copy主要用来做debug。 |
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372046933
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Jun 1, 2023
src/brpc/rdma/rdma_endpoint.cpp
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| return -1; | ||
| } | ||
| len = from[current]->copy_to(buf, len); | ||
| base::IOBuf tmp; |
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use of undeclared identifier 'base'
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bazel compile failed: |
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What problem does this PR solve?
Issue Number:
Problem Summary:
What is changed and the side effects?
Changed: For convenience of debugging, allow user disabling send size zerocopy with gflags rdma_send_zerocopy
Side effects:
Performance effects(性能影响): If user does not set rdma_send_zerocopy to false, there is no effect for performance
Breaking backward compatibility(向后兼容性):
Check List: