Merge pull request #271118 from varun-dhawan/varund-jan

[PostgreSQL] updates details for new metric "Database_Size"

Author: prmerger-automator[bot]

articles/postgresql/flexible-server/concepts-monitoring.md

@@ -6,7 +6,7 @@ ms.author: varundhawan
 ms.service: postgresql
 ms.subservice: flexible-server
 ms.topic: conceptual
-ms.date: 1/17/2024
+ms.date: 4/3/2024
 ---
 
 # Monitor metrics on Azure Database for PostgreSQL - Flexible Server
@@ -35,6 +35,7 @@ The following metrics are available for an Azure Database for PostgreSQL flexibl
 |**CPU Credits Consumed**        |`cpu_credits_consumed`       |Count     |Number of credits used by the flexible server. Applies to the Burstable tier.                                                                                                                                                                                                                                                                                                               |Yes            |
 |**CPU Credits Remaining**       |`cpu_credits_remaining`      |Count     |Number of credits available to burst. Applies to the Burstable tier.                                                                                                                                                                                                                                                                                                                        |Yes            |
 |**CPU percent**                 |`cpu_percent`                |Percent   |Percentage of CPU in use.                                                                                                                                                                                                                                                                                                                                                                   |Yes            |
+|**Database Size (preview)**     |`database_size_bytes`        |Bytes     |Database size in bytes.                                                                                                                                                                                                                                                                                                                                                                     |Yes            |
 |**Disk Queue Depth**            |`disk_queue_depth`           |Count     |Number of outstanding I/O operations to the data disk.                                                                                                                                                                                                                                                                                                                                      |Yes            |
 |**IOPS**                        |`iops`                       |Count     |Number of I/O operations to disk per second.                                                                                                                                                                                                                                                                                                                                                |Yes            |
 |**Maximum Used Transaction IDs**|`maximum_used_transactionIDs`|Count     |Maximum number of transaction IDs in use.                                                                                                                                                                                                                                                                                                                                                   |Yes            |