### What this PR does / why we need Fix layerwise connector out of memory during large buffer transfer. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? By nightly. --------- Signed-off-by: nwpu-zxr <zhouxuerong2@huawei.com> Signed-off-by: Mengqing Cao <cmq0113@163.com> Co-authored-by: Mengqing Cao <cmq0113@163.com>