# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1454426781 -3600
# Node ID 464edd03099a029db5b3554f9e63652753469966
# Parent  a85b5c3791dc4609634bcdc7f88e79a51d7f678b
mod_mam: Add a bit of randomness to cleanup intervals to keep some time between multiple instances

diff -r a85b5c3791dc -r 464edd03099a mod_mam/mod_mam.lua
--- a/mod_mam/mod_mam.lua	Tue Feb 02 16:22:46 2016 +0100
+++ b/mod_mam/mod_mam.lua	Tue Feb 02 16:26:21 2016 +0100
@@ -298,7 +298,7 @@
 		end
 	end);
 
-	module:add_timer(10, function()
+	module:add_timer(math.random(10, 60), function()
 		local user = next(cleanup);
 		if user then
 			module:log("debug", "Removing old messages for user %q", user);
@@ -308,7 +308,7 @@
 			end
 			cleanup[user] = nil;
 		end
-		return cleanup_interval;
+		return math.random(cleanup_interval, cleanup_interval * 2);
 	end);
 end