From 2da18b6724b7daf7c3a973515fc3d59e7d2c4622 Mon Sep 17 00:00:00 2001 From: Rajesh Amaravathi Date: Wed, 22 Feb 2012 14:51:53 +0530 Subject: transport/socket: configuring tcp window-size Till now, send and recieve buffer window sizes for sockets were set to a default glusterfs-specific value. Linux's default window sizes have been found to be better w.r.t performance, and hence, no more setting it to any default value. However, if one wishes, there's the new configuration option: network.tcp-window-size which takes a size value (int or human readable) and will set the window size of sockets for both clients and servers. Nfs clients will also be updated with the same. Change-Id: I841479bbaea791b01086c42f58401ed297ff16ea BUG: 795635 Signed-off-by: Rajesh Amaravathi Reviewed-on: http://review.gluster.com/2821 Tested-by: Gluster Build System Reviewed-by: Amar Tumballi Reviewed-by: Jeff Darcy Reviewed-by: Vijay Bellur --- xlators/protocol/server/src/server.c | 5 +++++ xlators/protocol/server/src/server.h | 2 ++ 2 files changed, 7 insertions(+) (limited to 'xlators/protocol/server/src') diff --git a/xlators/protocol/server/src/server.c b/xlators/protocol/server/src/server.c index 0f9195f9e66..bfac42a2799 100644 --- a/xlators/protocol/server/src/server.c +++ b/xlators/protocol/server/src/server.c @@ -1100,5 +1100,10 @@ struct volume_options options[] = { {.key = {"grace-timeout"}, .type = GF_OPTION_TYPE_INT, }, + {.key = {"tcp-window-size"}, + .type = GF_OPTION_TYPE_SIZET, + .min = GF_MIN_SOCKET_WINDOW_SIZE, + .max = GF_MAX_SOCKET_WINDOW_SIZE + }, { .key = {NULL} }, }; diff --git a/xlators/protocol/server/src/server.h b/xlators/protocol/server/src/server.h index 091a02ccba2..4c38c19719d 100644 --- a/xlators/protocol/server/src/server.h +++ b/xlators/protocol/server/src/server.h @@ -32,6 +32,8 @@ #define DEFAULT_BLOCK_SIZE 4194304 /* 4MB */ #define DEFAULT_VOLUME_FILE_PATH CONFDIR "/glusterfs.vol" +#define GF_MAX_SOCKET_WINDOW_SIZE (1 * GF_UNIT_MB) +#define GF_MIN_SOCKET_WINDOW_SIZE (0) typedef struct _server_state server_state_t; -- cgit