Cloned the PR from #19239

Author: adutta-newrelic

src/content/docs/infrastructure/host-integrations/host-integrations-list/postgresql/postgresql-integration.mdx

@@ -32,7 +32,7 @@ To install the PostgreSQL monitoring integration, you must run through the follo
 
 ### PostgreSQL versions [#postgresql-versions]
 
-Our integration is compatible with PostgreSQL until version 16.
+Our integration is compatible with PostgreSQL v17 and lower.
 
 ### Supported managed services [#supported-ms]
 
@@ -724,6 +724,10 @@ The PostgreSQL integration collects the following metrics. Some metric names are
     id="instanceSample"
     title="PostgresqlInstanceSample metrics"
   >
+
+  <Callout variant="tip">
+    With PostgreSQL v17, we renamed some metrics to better reflect their source tables. You can see the updated names indented below their earlier versions.
+  </Callout>
     <table>
       <thead>
         <tr>
@@ -740,7 +744,8 @@ The PostgreSQL integration collects the following metrics. Some metric names are
       <tbody>
         <tr>
           <td>
-            `bgwriter.checkpointsScheduledPerSecond`
+            `bgwriter.checkpointsScheduledPerSecond`<br/>
+            <span style={{ paddingLeft: "1em" }}>↳ `checkpointer.checkpointsScheduledPerSecond`</span>
           </td>
 
           <td>
@@ -750,7 +755,8 @@ The PostgreSQL integration collects the following metrics. Some metric names are
 
         <tr>
           <td>
-            `bgwriter.checkpointsRequestedPerSecond`
+            `bgwriter.checkpointsRequestedPerSecond`<br/>
+            <span style={{ paddingLeft: "1em" }}>↳ `checkpointer.checkpointsRequestedPerSecond`</span>
           </td>
 
           <td>
@@ -760,7 +766,8 @@ The PostgreSQL integration collects the following metrics. Some metric names are
 
         <tr>
           <td>
-            `bgwriter.buffersWrittenForCheckpointsPerSecond`
+            `bgwriter.buffersWrittenForCheckpointsPerSecond`<br/>
+            <span style={{ paddingLeft: "1em" }}>↳ `checkpointer.buffersWrittenForCheckpointsPerSecond`</span>
           </td>
 
           <td>
@@ -790,7 +797,8 @@ The PostgreSQL integration collects the following metrics. Some metric names are
 
         <tr>
           <td>
-            `bgwriter.buffersWrittenByBackendPerSecond`
+            `bgwriter.buffersWrittenByBackendPerSecond`<br/>
+            <span style={{ paddingLeft: "1em" }}>↳ `io.buffersWrittenByBackendPerSecond`</span>
           </td>
 
           <td>
@@ -810,7 +818,8 @@ The PostgreSQL integration collects the following metrics. Some metric names are
 
         <tr>
           <td>
-            `bgwriter.backendFsyncCallsPerSecond`
+            `bgwriter.backendFsyncCallsPerSecond`<br/>
+            <span style={{ paddingLeft: "1em" }}>↳ `io.backendFsyncCallsPerSecond`</span>
           </td>
 
           <td>
@@ -820,7 +829,8 @@ The PostgreSQL integration collects the following metrics. Some metric names are
 
         <tr>
           <td>
-            `bgwriter.checkpointWriteTimeInMillisecondsPerSecond`
+            `bgwriter.checkpointWriteTimeInMillisecondsPerSecond`<br/>
+            <span style={{ paddingLeft: "1em" }}>↳ `checkpointer.checkpointWriteTimeInMillisecondsPerSecond`</span>
           </td>
 
           <td>
@@ -830,7 +840,8 @@ The PostgreSQL integration collects the following metrics. Some metric names are
 
         <tr>
           <td>
-            `bgwriter.checkpointSyncTimeInMillisecondsPerSecond`
+            `bgwriter.checkpointSyncTimeInMillisecondsPerSecond`<br/>
+            <span style={{ paddingLeft: "1em" }}>↳ `checkpointer.checkpointSyncTimeInMillisecondsPerSecond`</span>
           </td>
 
           <td>