From 1394875c3478646cfe2b0f20fe805ee832200dad Mon Sep 17 00:00:00 2001
From: Morris Jette <jette@schedmd.com>
Date: Wed, 9 Apr 2014 15:04:05 -0700
Subject: [PATCH] Slow down "lazy" scheduling
Rather than attempting a scheduling loop as frequently as every
1 second, wait 3 seconds for performance reasons.
---
src/slurmctld/controller.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/slurmctld/controller.c b/src/slurmctld/controller.c
index c3ca0f029a4..3ea3852ce7c 100644
--- a/src/slurmctld/controller.c
+++ b/src/slurmctld/controller.c
@@ -1557,7 +1557,8 @@ static void *_slurmctld_background(void *no_data)
job_limit = INFINITE;
job_sched_cnt = 0;
slurm_mutex_unlock(&sched_cnt_mutex);
- } else if (job_sched_cnt) {
+ } else if (job_sched_cnt &&
+ (difftime(now, last_sched_time) >= 3)) {
slurm_mutex_lock(&sched_cnt_mutex);
job_limit = 0; /* Default depth */
job_sched_cnt = 0;
--
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