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-rw-r--r--src/bin/pg_upgrade/server.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/bin/pg_upgrade/server.c b/src/bin/pg_upgrade/server.c
index 7d17280ecb4..79ec3f04c0e 100644
--- a/src/bin/pg_upgrade/server.c
+++ b/src/bin/pg_upgrade/server.c
@@ -239,6 +239,9 @@ start_postmaster(ClusterInfo *cluster, bool report_and_exit_on_error)
* we only modify the new cluster, so only use it there. If there is a
* crash, the new cluster has to be recreated anyway. fsync=off is a big
* win on ext4.
+ *
+ * Force vacuum_defer_cleanup_age to 0 on the new cluster, so that
+ * vacuumdb --freeze actually freezes the tuples.
*/
snprintf(cmd, sizeof(cmd),
"\"%s/pg_ctl\" -w -l \"%s\" -D \"%s\" -o \"-p %d%s%s %s%s\" start",
@@ -247,7 +250,7 @@ start_postmaster(ClusterInfo *cluster, bool report_and_exit_on_error)
BINARY_UPGRADE_SERVER_FLAG_CAT_VER) ? " -b" :
" -c autovacuum=off -c autovacuum_freeze_max_age=2000000000",
(cluster == &new_cluster) ?
- " -c synchronous_commit=off -c fsync=off -c full_page_writes=off" : "",
+ " -c synchronous_commit=off -c fsync=off -c full_page_writes=off -c vacuum_defer_cleanup_age=0" : "",
cluster->pgopts ? cluster->pgopts : "", socket_string);
/*