binarycopycode commented on issue #2475:
URL: https://github.com/apache/brpc/issues/2475#issuecomment-1865406094
以上为本地虚拟机测试。后来在两台有mlx的RDMA网卡的服务器上测试又不一样了。其中tcp能传1G的数据，但是到2G就出现一样的Broken
pipe错误，但是RDMA可以传2G数据，但是4G数据被iobuf的限制给写死了，这个有办法解决吗？ @Tuvie
是否能去掉这个限制，还是只能自己手动分段传数据了？
```
int IOBuf::append_user_data_with_meta(void* data,
size_t size,
void (*deleter)(void*),
uint64_t meta) {
if (size > 0xFFFFFFFFULL - 100) {
LOG(FATAL) << "data_size=" << size << " is too large";
return -1;
}
......
}
```
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