diff --git a/tsg_olap/installation/apache_druid/readme.md b/tsg_olap/installation/apache_druid/readme.md
new file mode 100644
index 0000000..d31b22d
--- /dev/null
+++ b/tsg_olap/installation/apache_druid/readme.md
@@ -0,0 +1 @@
+Create ingestion tasks for tsg olap latest stable version.
diff --git a/tsg_olap/installation/hos/readme.md b/tsg_olap/installation/hos/readme.md
new file mode 100644
index 0000000..f733a33
--- /dev/null
+++ b/tsg_olap/installation/hos/readme.md
@@ -0,0 +1 @@
+create hos buckets for tsg olap latest stable version.
diff --git a/tsg_olap/installation/kafka/readme.md b/tsg_olap/installation/kafka/readme.md
new file mode 100644
index 0000000..5c9a0bc
--- /dev/null
+++ b/tsg_olap/installation/kafka/readme.md
@@ -0,0 +1 @@
+create kafka topics for tsg olap latest stable version.
diff --git a/tsg_olap/installation/mariadb/readme.md b/tsg_olap/installation/mariadb/readme.md
new file mode 100644
index 0000000..187f181
--- /dev/null
+++ b/tsg_olap/installation/mariadb/readme.md
@@ -0,0 +1 @@
+create mariadb tables for tsg olap latest stable version.