Cluster Monitor, which is an auxilliary process need not call InitPostgres and

thus should not start a transaction

diff --git a/src/backend/postmaster/clustermon.c b/src/backend/postmaster/clustermon.c
index 75a68bd73cfda5ee0c03cbc5de2129f784e908d9..40377b2abe3f866d1451cf35fe8e2e79f1d0df52 100644 (file)
--- a/src/backend/postmaster/clustermon.c
+++ b/src/backend/postmaster/clustermon.c
@@ -122,19 +122,8 @@ ClusterMonitorInit(void)
                                                                                  ALLOCSET_DEFAULT_MAXSIZE);
        MemoryContextSwitchTo(ClusterMonitorMemCxt);
 
-       InitPostgres(NULL, InvalidOid, NULL, InvalidOid, NULL);
-
     SetProcessingMode(NormalProcessing);
 
-       /*
-        * Start a dummy transaction so that we start computing OldestXmin
-        * with the current latestCompletedXid, especially when this server is just
-        * started and joining the cluster
-        */
-       StartTransactionCommand();
-       (void) GetTopTransactionId();
-       CommitTransactionCommand();
-
        /*
         * Register this node with the GTM
         */