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-rw-r--r--xlators/nfs/server/src/nfs.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/xlators/nfs/server/src/nfs.c b/xlators/nfs/server/src/nfs.c
index 979fd2fb04d..f7def106005 100644
--- a/xlators/nfs/server/src/nfs.c
+++ b/xlators/nfs/server/src/nfs.c
@@ -493,6 +493,22 @@ nfs_init_state (xlator_t *this)
}
nfs->memfactor = GF_NFS_DEFAULT_MEMFACTOR;
+ if (dict_get (this->options, "nfs.mem-factor")) {
+ ret = dict_get_str (this->options, "nfs.mem-factor",
+ &optstr);
+ if (ret < 0) {
+ gf_log (GF_NFS, GF_LOG_ERROR, "Failed to parse dict");
+ goto free_foppool;
+ }
+
+ ret = gf_string2uint (optstr, &nfs->memfactor);
+ if (ret < 0) {
+ gf_log (GF_NFS, GF_LOG_ERROR, "Failed to parse uint "
+ "string");
+ goto free_foppool;
+ }
+ }
+
fopspoolsize = nfs->memfactor * GF_NFS_CONCURRENT_OPS_MULT;
/* FIXME: Really saddens me to see this as xlator wide. */
nfs->foppool = mem_pool_new (struct nfs_fop_local, fopspoolsize);
@@ -897,6 +913,16 @@ struct volume_options options[] = {
.description = "Use this option on systems that need Gluster NFS to "
"be associated with a non-default port number."
},
- { .key = {NULL} },
+ { .key = {"nfs.mem-factor"},
+ .type = GF_OPTION_TYPE_INT,
+ .description = "Use this option to make NFS be faster on systems by "
+ "using more memory. This option specifies a multiple "
+ "that determines the total amount of memory used. "
+ "Default value is 15. Increase to use more memory in "
+ "order to improve performance for certain use cases."
+ "Please consult gluster-users list before using this "
+ "option."
+ },
+ { .key = {NULL} },
};