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-rw-r--r--doc/src/sgml/monitoring.sgml9
1 files changed, 3 insertions, 6 deletions
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index dc49177c78c..7dcddf478a1 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -687,12 +687,9 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
<structfield>leader_pid</structfield> <type>integer</type>
</para>
<para>
- Process ID of the parallel group leader if this process is or
- has been involved in parallel query, or null. This field is set
- when a process wants to cooperate with parallel workers, and
- remains set as long as the process exists. For a parallel group leader,
- this field is set to its own process ID. For a parallel worker,
- this field is set to the process ID of the parallel group leader.
+ Process ID of the parallel group leader, if this process is a
+ parallel query worker. <literal>NULL</literal> if this process is a
+ parallel group leader or does not participate in parallel query.
</para></entry>
</row>