RDMA: Increasing RPCRDMA_MAX_DATA_SEGS

Our performance team has noticed that increasing
RPCRDMA_MAX_DATA_SEGS from 8 to 64 significantly
increases throughput when using the RDMA transport.

Signed-off-by: Steve Dickson <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
This commit is contained in:
Steve Dickson 2011-07-21 13:49:02 -04:00 • committed by Trond Myklebust
commit 2773395b34

View file

@ -109,7 +109,7 @@ struct rpcrdma_ep {
*/
/* temporary static scatter/gather max */
#define RPCRDMA_MAX_DATA_SEGS (8) /* max scatter/gather */
#define RPCRDMA_MAX_DATA_SEGS (64) /* max scatter/gather */
#define RPCRDMA_MAX_SEGS (RPCRDMA_MAX_DATA_SEGS + 2) /* head+tail = 2 */
#define MAX_RPCRDMAHDR (\
/* max supported RPC/RDMA header */ \