Increase kMaxIovCount to 64
commit5233184a72551b72440ee0a32005360f2b66070f
authorJason Rahman <jprahman@meta.com>
Fri, 11 Nov 2022 00:10:36 +0000 (10 16:10 -0800)
committerFacebook GitHub Bot <facebook-github-bot@users.noreply.github.com>
Fri, 11 Nov 2022 00:10:36 +0000 (10 16:10 -0800)
tree99ee77140d63f3d2c662826f5261c9bd54cef6d4
parent76ce5bc61b3de6012b8c51ec269abd8e5d6748d9
Increase kMaxIovCount to 64

Summary:
We've observed more coalesce() calls triggering memory
copies, and thus memory bw saturation. Give a little more margin with the
embedded ioVec cache.

Differential Revision: D41130351

fbshipit-source-id: 55c8cbf1098b0488743f1cc66c94fe0c4ef37a5e
third-party/mcrouter/src/mcrouter/lib/carbon/CarbonQueueAppender.h