From 0b94df86a6e8a8b17d02dd0552a6324a200cd020 Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Tue, 19 Mar 2024 16:46:46 +0100
Subject: [PATCH] Make value for SET SESSION `wsrep_sync_wait` configurable

---
 pkg/icingadb/db.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/icingadb/db.go b/pkg/icingadb/db.go
index 4ff3e0dd..91901608 100644
--- a/pkg/icingadb/db.go
+++ b/pkg/icingadb/db.go
@@ -54,6 +54,10 @@ type Options struct {
 	// MaxRowsPerTransaction defines the maximum number of rows per transaction.
 	// The default is 2^13, which in our tests showed the best performance in terms of execution time and parallelism.
 	MaxRowsPerTransaction int `yaml:"max_rows_per_transaction" default:"8192"`
+
+	// WsrepSyncWait defines which kinds of SQL statements catch up all pending sync between nodes first, see:
+	// https://mariadb.com/kb/en/galera-cluster-system-variables/#wsrep_sync_wait
+	WsrepSyncWait int `yaml:"wsrep_sync_wait" default:"7"`
 }
 
 // Validate checks constraints in the supplied database options and returns an error if they are violated.