RDSC-3533 Update RDI documentation, part 1

Author: stoyanr

content/embeds/rdi-db-reqs.md

@@ -3,7 +3,6 @@
   quickstart or for development, 125MB and a single shard is sufficient.
 * If you are deploying RDI for a production environment then secure this database with a password
   and TLS.
-* Provide the installation with the required RDI database details.
 * Set the database's
   [eviction policy]({{< relref "/operate/rs/databases/memory-performance/eviction-policy" >}}) to `noeviction`. Note that you can't set this using
   [`rladmin`]({{< relref "/operate/rs/references/cli-utilities/rladmin" >}}),

content/embeds/rdi-vm-reqs.md

@@ -1,7 +1,7 @@
 * **CPU**: A minimum of 4 CPU cores. You should consider adding
   2-6 extra cores on top of this if your dataset is big and you want to ingest the
   baseline snapshot as fast as possible.
-* **RAM**: 2GB 
+* **RAM**: 8GB 
 * **Disk**: On top of the OS footprint,
   RDI requires 20GB in the `/var` folder and 1GB in the `/opt` folder (to
   store the log files). This allows space for upgrades.

content/integrate/redis-data-integration/installation/_index.md

@@ -18,6 +18,6 @@ weight: 2
 ---
 
 The guides in this section explain the options you have for installing and upgrading RDI.
-Before you use RDI, you must also configure your source database to use the CDC connector. See the
+Before you use RDI, you must also configure your source database to enable CDC. See the
 [Prepare source databases]({{< relref "/integrate/redis-data-integration/data-pipelines/prepare-dbs" >}})
 section to learn how to do this.