diff --git a/.github/workflows/msvc2022-qt6-drivers.yml b/.github/workflows/msvc2022-qt6-drivers.yml
index 86a67b1de..45b80c67a 100644
--- a/.github/workflows/msvc2022-qt6-drivers.yml
+++ b/.github/workflows/msvc2022-qt6-drivers.yml
@@ -3,6 +3,10 @@
 # Forces TLS connections with the caching_sha2_password and certificate validation, also validates
 # certificate's CN for issuer and subject.
 
+# ccache
+# ---
+# Uses /ccache_drivers folder and the compressed cache size is 1.8G (after whole workflow finishes)
+
 name: MSVC2022 Qt6.7 TinyDrivers
 
 on:
diff --git a/.github/workflows/msys2-ucrt64-drivers.yml b/.github/workflows/msys2-ucrt64-drivers.yml
index c2fe4463f..4f474c037 100644
--- a/.github/workflows/msys2-ucrt64-drivers.yml
+++ b/.github/workflows/msys2-ucrt64-drivers.yml
@@ -4,6 +4,11 @@
 # to the MySQL >= 8.0.34 or >=8.1, there is some problem in TLS 1.2 and 1.3 connection, it can't
 # select correct cipher. I will revert this back in the future when it will be fixed.
 
+# ccache
+# ---
+# Uses /ccache_msys2_gcc folder and compressed cache size is 1.2G (after whole workflow finishes)
+# Uses /ccache_msys2_clang folder and compressed cache size is 1G (after whole workflow finishes)
+
 # Notes
 # ---
 # Build folders must be manually deleted after bumping version numbers because ccache doesn't get it
diff --git a/.github/workflows/vcpkg-windows-drivers.yml b/.github/workflows/vcpkg-windows-drivers.yml
index 23c18e791..be9e274b3 100644
--- a/.github/workflows/vcpkg-windows-drivers.yml
+++ b/.github/workflows/vcpkg-windows-drivers.yml
@@ -1,3 +1,7 @@
+# ccache
+# ---
+# Uses /ccache_vcpkg_drivers folder and compressed cache size is 90M (after whole workflow finishes)
+
 name: Vcpkg Windows TinyDrivers
 
 on: workflow_dispatch
diff --git a/.github/workflows/vcpkg-windows.yml b/.github/workflows/vcpkg-windows.yml
index 027ff66b4..7a1d4f87a 100644
--- a/.github/workflows/vcpkg-windows.yml
+++ b/.github/workflows/vcpkg-windows.yml
@@ -2,6 +2,10 @@
 # ---
 # Queries/uses only SQLite database.
 
+# ccache
+# ---
+# Uses /ccache_vcpkg folder and the compressed cache size is 80M (after whole workflow finishes)
+
 name: Vcpkg Windows
 
 on: workflow_dispatch