Merge pull request #87 from rtkwlf/AWN-193027

[AWN-193027] Remediation context for google.postgresqlMaxConnections

en/google/sql/postgresql-max-connections.md

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+[![CloudSploit](https://cloudsploit.com/img/logo-new-big-text-100.png "CloudSploit")](https://cloudsploit.com)
+
+# GOOGLE / SQL / PostgreSQL Max Connections
+
+## Quick Info
+
+| | |
+|-|-|
+| **Plugin Title** | PostgreSQL Max Connections |
+| **Cloud** | GOOGLE |
+| **Category** | SQL |
+| **Description** | Ensure that max_connections is configured with optimal value for PostgreSQL instances. |
+| **More Info** | An optimal value should be set for max_connections (maximum number of client connections) to meet the database workload requirements. If this no value is set for max_connections flag, instance assumes default value which is calculated per instance memory size. |
+| **GOOGLE Link** | https://cloud.google.com/sql/docs/postgres/flags#setting_a_database_flag |
+| **Recommended Action** | Ensure that all PostgreSQL database instances have max_connections flag and it value is set. |
+
+## Detailed Remediation Steps
+1. Log into the Google Cloud Platform Console.
+2. Scroll down the left navigation panel and click on "SQL". 
+3. On the "SQL" page, select the SQL Instance which needs to be verified by clicking on the checkbox next to its name.
+4. Scroll down to the Flags section.
+5. To set a flag that has not been set on the instance before, click Add item, choose the `max_connections` flag from the drop-down menu, and set its value.
+6. Click Save to save your changes.
+7. Confirm your changes under Flags on the Overview page.