From 1b9c8e588e0ae730458833b2f5e1784bc7e13a20 Mon Sep 17 00:00:00 2001
From: remc010 <156826147+remc010@users.noreply.github.com>
Date: Thu, 12 Sep 2024 09:49:37 +0200
Subject: [PATCH] 714 # fix calculation of innodb_log_size_pct when using
 innodb_redo_log_capacity, instead of innodb_log_files_in_group and
 innodb_log_file_size

---
 mysqltuner.pl | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/mysqltuner.pl b/mysqltuner.pl
index 2f06e77..90875e8 100755
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -3179,10 +3179,16 @@ sub calculations {
     $myvar{"innodb_buffer_pool_instances"} = 1
       unless defined( $myvar{'innodb_buffer_pool_instances'} );
     if ( $myvar{'have_innodb'} eq "YES" ) {
-        $mycalc{'innodb_log_size_pct'} =
-          ( $myvar{'innodb_log_file_size'} *
-              $myvar{'innodb_log_files_in_group'} * 100 /
-              $myvar{'innodb_buffer_pool_size'} );
+        if ( defined $myvar{'innodb_redo_log_capacity'} ) {
+          $mycalc{'innodb_log_size_pct'} =
+            ( $myvar{'innodb_redo_log_capacity'} /
+                $myvar{'innodb_buffer_pool_size'} ) * 100;
+        } else {
+          $mycalc{'innodb_log_size_pct'} =
+            ( $myvar{'innodb_log_file_size'} *
+                $myvar{'innodb_log_files_in_group'} * 100 /
+                $myvar{'innodb_buffer_pool_size'} );
+        }
     }
     if ( !defined $myvar{'innodb_buffer_pool_size'} ) {
         $mycalc{'innodb_log_size_pct'}    = 0;