pgpool2.git / summary / log / commit / refs

commit    bf517d8b9e5519b64ae0b04476914c4ebe052203
Author:   Tatsuo Ishii <ishii at sraoss.co.jp>
Date:     Sat Nov 14 11:40:52 2009 +0000

    Allow to change weight with reloading pgpool.conf


 pool_config.l | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/pool_config.l b/pool_config.l
index da652aaf9..79137b55b 100644
--- a/pool_config.l
+++ b/pool_config.l
@@ -1119,10 +1119,21 @@ int pool_get_config(char *confpath, POOL_CONFIG_CONTEXT context)
 
 			pool_debug("pool_config: weight slot number %d weight: %f", slot, v);
 			status = BACKEND_INFO(slot).backend_status;
-			if (context == INIT_CONFIG ||
-				(context == RELOAD_CONFIG && (context == RELOAD_CONFIG && (status == CON_UNUSED || status == CON_DOWN))))
+
+			if (context == INIT_CONFIG || context == RELOAD_CONFIG)
 			{
+				double old_v = pool_config->backend_desc->backend_info[slot].unnormalized_weight;
 				pool_config->backend_desc->backend_info[slot].unnormalized_weight = v;
+
+				/*
+				 * Log weight change event only when context is
+				 * reloading of pgpool.conf and weight is actually
+				 * changed
+				 */
+				if (context == RELOAD_CONFIG && old_v != v)
+				{
+					pool_log("Backend weight for backend%d changed from %f to %f. This will take effect from next client session.", slot, old_v, v);
+				}
 			}
 		}
 		else if (!strncmp(key, "backend_data_directory", 22) &&


[parent: ed14bc75f096]