Re: Add sub-transaction overflow status in pg_stat_activity

On Mon, Dec 12, 2022 at 09:33:51AM -0800, Nathan Bossart wrote:
> On Mon, Dec 12, 2022 at 11:15:43AM -0500, Robert Haas wrote:
> > Any strenuous objections?
> 
> Nope.  In fact, +1.  Until more work is done to alleviate the performance
> issues, this information will likely prove useful.

The docs could use a bit of attention.  Otherwise +1.

diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 4efa1d5fca0..ac15e2ce789 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -5680,12 +5680,12 @@ FROM pg_stat_get_backend_idset() AS backendid;
         <returnvalue>record</returnvalue>
        </para>
        <para>
-        Returns a record of information about the backend's subtransactions.
-        The fields returned are <parameter>subxact_count</parameter> identifies
-        number of active subtransaction and <parameter>subxact_overflow
-        </parameter> shows whether the backend's subtransaction cache is
-        overflowed or not.
-       </para></entry>
+        Returns a record of information about the subtransactions of the backend
+        with the specified ID.
+        The fields returned are <parameter>subxact_count</parameter>, which
+        identifies the number of active subtransaction and
+        <parameter>subxact_overflow</parameter>, which shows whether the
+        backend's subtransaction cache is overflowed or not.
        </para></entry>
       </row>