diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 00000000..eb1125ad
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,9 @@
+# This file contains a list of commits that are not likely what you
+# are looking for in a blame, such as mass reformatting or renaming.
+# You can set this file as a default ignore file for blame by running
+# the following command.
+#
+# $ git config blame.ignoreRevsFile .git-blame-ignore-revs
+
+# big format
+aaddec81945750222721659be65ecd6bf2503c6a