Do not use modex recv to fetch the locality as this will automatically force retrieval of hostnames, which we are trying to avoid. Instead, use the database API to fetch that info.

cmr:v1.7.3:reviewer=hjelmn

This commit was SVN r29248.

ompi/proc/proc.c

@@ -151,9 +151,13 @@ int ompi_proc_complete_init(void)
         proc = (ompi_proc_t*)item;
         
         if (proc->proc_name.vpid != OMPI_PROC_MY_NAME->vpid) {
-            /* get the locality information */
+            /* get the locality information - do not use modex recv for
+             * this request as that will automatically cause the hostname
+             * to be loaded as well
+             */
             hwlocale = &(proc->proc_flags);
-            ret = ompi_modex_recv_key_value(OMPI_DB_LOCALITY, proc, (void**)&hwlocale, OPAL_HWLOC_LOCALITY_T);
+            ret = opal_db.fetch((opal_identifier_t*)&proc->proc_name, OMPI_DB_LOCALITY,
+                                (void**)&hwlocale, OPAL_HWLOC_LOCALITY_T);
             if (OMPI_SUCCESS != ret) {
                 errcode = ret;
                 break;
@@ -391,8 +395,13 @@ int ompi_proc_refresh(void) {
             proc->proc_hostname = ompi_process_info.nodename;
             proc->proc_arch = opal_local_arch;
         } else {
+            /* get the locality information - do not use modex recv for
+             * this request as that will automatically cause the hostname
+             * to be loaded as well
+             */
             hwlocale = &(proc->proc_flags);
-            ret = ompi_modex_recv_key_value(OMPI_DB_LOCALITY, proc, (void**)&hwlocale, OPAL_HWLOC_LOCALITY_T);
+            ret = opal_db.fetch((opal_identifier_t*)&proc->proc_name, OMPI_DB_LOCALITY,
+                                (void**)&hwlocale, OPAL_HWLOC_LOCALITY_T);
             if (OMPI_SUCCESS != ret) {
                 break;
             }