diff --git a/inventory/host_vars/db-koji01.iad2.fedoraproject.org b/inventory/host_vars/db-koji01.iad2.fedoraproject.org
index 7f5f301f0f..4568d6f6fc 100644
--- a/inventory/host_vars/db-koji01.iad2.fedoraproject.org
+++ b/inventory/host_vars/db-koji01.iad2.fedoraproject.org
@@ -27,7 +27,7 @@ max_parallel_maintenance_workers: 4
 max_parallel_workers: 16
 max_parallel_workers_per_gather: 2
 max_stack_depth: "6MB"
-max_worker_processes: 64
+max_worker_processes: 48
 mem_size: 262140
 nagios_Check_Services:
   swap: false
@@ -37,7 +37,7 @@ nrpe_procs_crit: 700
 #
 nrpe_procs_warn: 600
 num_cpus: 48
-shared_buffers: "8GB"
+shared_buffers: "30GB"
 swap: false
 vmhost: bvmhost-x86-01.iad2.fedoraproject.org
 volgroup: /dev/vg_guests
diff --git a/roles/postgresql_server/templates/postgresql.conf-15 b/roles/postgresql_server/templates/postgresql.conf-15
index a3910bd3d0..8e3981cdb4 100644
--- a/roles/postgresql_server/templates/postgresql.conf-15
+++ b/roles/postgresql_server/templates/postgresql.conf-15
@@ -143,7 +143,7 @@ temp_buffers = 8MB                      # min 800kB
 work_mem = 4MB
 maintenance_work_mem = 1GB              # min 1MB
 {% else %}
-work_mem = 64MB
+work_mem = 128MB
 maintenance_work_mem = 2GB              # min 1MB
 {% endif %}