perf: avoid querying cost center allocation repeatedly

erpnext/accounts/doctype/cost_center_allocation/cost_center_allocation.py

@@ -154,3 +154,7 @@ class CostCenterAllocation(Document):
 					).format(d.cost_center),
 					InvalidChildCostCenter,
 				)
+
+	def clear_cache(self):
+		frappe.clear_cache(doctype="Cost Center")
+		return super().clear_cache()

erpnext/accounts/general_ledger.py

@@ -8,6 +8,7 @@ import frappe
 from frappe import _
 from frappe.model.meta import get_field_precision
 from frappe.utils import cint, flt, formatdate, get_link_to_form, getdate, now
+from frappe.utils.caching import request_cache
 from frappe.utils.dashboard import cache_source
 
 import erpnext
@@ -222,6 +223,7 @@ def distribute_gl_based_on_cost_center_allocation(gl_map, precision=None, from_r
 	return new_gl_map
 
 
+@request_cache
 def get_cost_center_allocation_data(company, posting_date, cost_center):
 	cost_center_allocation = frappe.db.get_value(
 		"Cost Center Allocation",