From: Vsevolod Stakhov <vsevolod@rspamd.com>
Date: Tue, 23 Apr 2024 14:40:43 +0000 (+0100)
Subject: [Minor] Jitter backpressure
X-Git-Tag: 3.9.0~58^2~1
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=26ac157abccadd0e62868f35438fb04ff41d7195;p=thirdparty%2Frspamd.git

[Minor] Jitter backpressure
---

diff --git a/src/plugins/fuzzy_check.c b/src/plugins/fuzzy_check.c
index 00c45a4425..7691e5c710 100644
--- a/src/plugins/fuzzy_check.c
+++ b/src/plugins/fuzzy_check.c
@@ -2681,6 +2681,7 @@ fuzzy_check_timer_callback(int fd, short what, void *arg)
 			double backpressure_time = MAX(session->rule->io_timeout * 0.1, 0.1) * session->retransmits;
 			/* Do not make delay more than 500ms for performance considerations */
 			backpressure_time = MIN(backpressure_time, 0.5);
+			backpressure_time = rspamd_time_jitter(backpressure_time * 0.5, 0.0);
 			/* Inverse to distinguish */
 			msg_debug_fuzzy_check("backpressure for %.2f milliseconds (server=%s), retransmits: %d;",
 								  backpressure_time * 1000,
@@ -2868,6 +2869,7 @@ fuzzy_controller_timer_callback(int fd, short what, void *arg)
 			double backpressure_time = MAX(session->rule->io_timeout * 0.1, 0.1) * session->retransmits;
 			/* Do not make delay more than 500ms for performance considerations */
 			backpressure_time = MIN(backpressure_time, 0.5);
+			backpressure_time = rspamd_time_jitter(backpressure_time * 0.5, 0.0);
 			/* Inverse to distinguish */
 			msg_debug_fuzzy_check("backpressure for %.2f milliseconds (server=%s), retransmits: %d;",
 								  backpressure_time * 1000,