From e96111476a669396167c56e911384c59bf69f4e4 Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Tue, 16 May 2017 08:08:35 +1000
Subject: [PATCH] Skip updates if we're getting stacked low priority updates.

---
 src/stratifier.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/stratifier.c b/src/stratifier.c
index 332615e6..77c5a79e 100644
--- a/src/stratifier.c
+++ b/src/stratifier.c
@@ -1413,6 +1413,12 @@ static void block_update(ckpool_t *ckp, int *prio)
 	txntable_t *txns;
 	workbase_t *wb;
 
+	/* Skip update if we're getting stacked low priority updates too close
+	 * together. */
+	if (*prio < GEN_PRIORITY && time(NULL) < sdata->update_time + (ckp->update_interval / 2)) {
+		ret = true;
+		goto out;
+	}
 retry:
 	wb = generator_getbase(ckp);
 	if (unlikely(!wb)) {