From ff7acd334740c10d2d0ea2ab99395e0f1b8e0d61 Mon Sep 17 00:00:00 2001
From: Laurence Jones <laurence.jones@live.co.uk>
Date: Fri, 13 Oct 2023 12:53:42 +0100
Subject: [PATCH] Reset grokky once all patterns are compiled as we do not need
 to hold them in memoory (#2420)

---
 pkg/parser/unix_parser.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkg/parser/unix_parser.go b/pkg/parser/unix_parser.go
index a6992befe..2e4a8035b 100644
--- a/pkg/parser/unix_parser.go
+++ b/pkg/parser/unix_parser.go
@@ -148,6 +148,12 @@ func LoadParsers(cConfig *csconfig.Config, parsers *Parsers) (*Parsers, error) {
 		parsers.Ctx.Profiling = true
 		parsers.Povfwctx.Profiling = true
 	}
-
+	/*
+		Reset CTX grok to reduce memory footprint after we compile all the patterns
+	*/
+	parsers.Ctx.Grok = grokky.Host{}
+	parsers.Povfwctx.Grok = grokky.Host{}
+	parsers.StageFiles = []Stagefile{}
+	parsers.PovfwStageFiles = []Stagefile{}
 	return parsers, nil
 }