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Ensure that the pmix server system-level rendezvous file is only output by the HNP #4341

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Merged
merged 1 commit into from
Oct 14, 2017
Merged

Ensure that the pmix server system-level rendezvous file is only output by the HNP #4341

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6 changes: 3 additions & 3 deletions contrib/scaling/scaling.pl
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@
my @options = ("", "", "", "-mca mpi_add_procs_cutoff 0 -mca pmix_base_async_modex 1", "-mca mpi_add_procs_cutoff 0 -mca pmix_base_async_modex 1 -mca async_mpi_init 1 -mca async_mpi_finalize 1");
my @starterlist = qw(mpirun prun srun aprun);
my @starteroptionlist = (" --novm",
"",
" --system-server-only",
" --distribution=cyclic --ntasks-per-node=",
" -N");

Expand Down Expand Up @@ -267,7 +267,7 @@ ()
# if we are going to use the dvm, then we
if ($starter eq "prun") {
# need to start it
$cmd = "orte-dvm -mca pmix_system_server 1 2>&1 &";
$cmd = "orte-dvm --system_server 2>&1 &";
if ($myresults) {
print FILE "\n\n$cmd\n";
}
Expand Down Expand Up @@ -341,7 +341,7 @@ ()
}
if ($havedvm) {
if (!$SHOWME) {
$cmd = "prun --terminate";
$cmd = "prun --system-server-only --terminate";
system($cmd);
}
$havedvm = 0;
Expand Down
6 changes: 4 additions & 2 deletions orte/orted/pmix/pmix_server.c
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Original file line number Diff line number Diff line change
Expand Up @@ -273,8 +273,10 @@ int pmix_server_init(void)
}

/* if requested, tell the server to drop a system-level
* PMIx connection point */
if (orte_pmix_server_globals.system_server) {
* PMIx connection point - only do this for the HNP as, in
* at least one case, a daemon can be colocated with the
* HNP and would overwrite the server rendezvous file */
if (orte_pmix_server_globals.system_server && ORTE_PROC_IS_HNP) {
kv = OBJ_NEW(opal_value_t);
kv->key = strdup(OPAL_PMIX_SERVER_SYSTEM_SUPPORT);
kv->type = OPAL_BOOL;
Expand Down