Add prefix in redis sink key to adapt the business

---
name: "Feature request"
about: As a user, I want to request a New Feature on the product
title: Add prefix in redis sink key to adapt the business
labels: feature-request
assignees: jefftlin

---

**Is your feature request related to a problem? Please describe.**
Yes.We can config our redis key with what we like to describe to identify our business.
**Describe the solution you'd like**
Adding a column named "keyPrefix" in redis config.And Set the key according to whether the column is set.