diff --git a/snuba/datasets/configuration/events_analytics_platform/storages/eap_item_co_occurring_attrs.yaml b/snuba/datasets/configuration/events_analytics_platform/storages/eap_item_co_occurring_attrs.yaml
index 39e0babca2..d422e73782 100644
--- a/snuba/datasets/configuration/events_analytics_platform/storages/eap_item_co_occurring_attrs.yaml
+++ b/snuba/datasets/configuration/events_analytics_platform/storages/eap_item_co_occurring_attrs.yaml
@@ -25,5 +25,5 @@ schema:
     ]
   local_table_name: eap_item_co_occurring_attrs_1_local
   dist_table_name: eap_item_co_occurring_attrs_1_dist
-  partition_format: [date]
+  partition_format: [retention_days, date]
 allocation_policies: []
diff --git a/snuba/datasets/configuration/events_analytics_platform/storages/eap_items.yaml b/snuba/datasets/configuration/events_analytics_platform/storages/eap_items.yaml
index e7d32f3867..f521925b85 100644
--- a/snuba/datasets/configuration/events_analytics_platform/storages/eap_items.yaml
+++ b/snuba/datasets/configuration/events_analytics_platform/storages/eap_items.yaml
@@ -108,7 +108,7 @@ schema:
     ]
   local_table_name: eap_items_1_local
   dist_table_name: eap_items_1_dist
-  partition_format: [date]
+  partition_format: [retention_days, date]
 
 query_processors:
   - processor: UniqInSelectAndHavingProcessor
@@ -138,6 +138,7 @@ deletion_settings:
   is_enabled: 1
   max_rows_to_delete: 2000000
   bulk_delete_only: true
+  partition_column: timestamp
   tables:
     - eap_items_1_local
     - eap_items_1_downsample_8_local
diff --git a/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_512.yaml b/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_512.yaml
index 8e5e877010..c333a87df3 100644
--- a/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_512.yaml
+++ b/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_512.yaml
@@ -107,7 +107,7 @@ schema:
     ]
   local_table_name: eap_items_1_downsample_512_local
   dist_table_name: eap_items_1_downsample_512_dist
-  partition_format: [date]
+  partition_format: [retention_days, date]
 
 query_processors:
   - processor: UniqInSelectAndHavingProcessor
diff --git a/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_64.yaml b/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_64.yaml
index 0b2573c28f..9b2b8ff3df 100644
--- a/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_64.yaml
+++ b/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_64.yaml
@@ -108,7 +108,7 @@ schema:
     ]
   local_table_name: eap_items_1_downsample_64_local
   dist_table_name: eap_items_1_downsample_64_dist
-  partition_format: [date]
+  partition_format: [retention_days, date]
 
 query_processors:
   - processor: UniqInSelectAndHavingProcessor
diff --git a/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_8.yaml b/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_8.yaml
index 6b4cea2805..84d680f655 100644
--- a/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_8.yaml
+++ b/snuba/datasets/configuration/events_analytics_platform/storages/eap_items_downsample_8.yaml
@@ -107,7 +107,7 @@ schema:
     ]
   local_table_name: eap_items_1_downsample_8_local
   dist_table_name: eap_items_1_downsample_8_dist
-  partition_format: [date]
+  partition_format: [retention_days, date]
 
 query_processors:
   - processor: UniqInSelectAndHavingProcessor
diff --git a/snuba/datasets/configuration/issues/storages/search_issues.yaml b/snuba/datasets/configuration/issues/storages/search_issues.yaml
index 8c94760a23..83225d4c2d 100644
--- a/snuba/datasets/configuration/issues/storages/search_issues.yaml
+++ b/snuba/datasets/configuration/issues/storages/search_issues.yaml
@@ -68,6 +68,7 @@ schema:
     ]
   local_table_name: search_issues_local_v2
   dist_table_name: search_issues_dist_v2
+  partition_format: [retention_days, date]
 
 allocation_policies:
   - name: ConcurrentRateLimitAllocationPolicy
@@ -143,6 +144,7 @@ query_processors:
 deletion_settings:
   is_enabled: 1
   max_rows_to_delete: 2000000
+  partition_column: client_timestamp
   tables:
     - search_issues_local_v2
   allowed_columns:
diff --git a/snuba/datasets/configuration/json_schema.py b/snuba/datasets/configuration/json_schema.py
index ca8befa3cc..88c5063a5b 100644
--- a/snuba/datasets/configuration/json_schema.py
+++ b/snuba/datasets/configuration/json_schema.py
@@ -622,6 +622,10 @@ def registered_class_array_schema(
                 "items": {"type": "string"},
             },
         },
+        "partition_column": {
+            "type": "string",
+            "description": "Column used for partition splitting in lightweight deletes. When set, deletes can be split by toMonday(partition_column) to reduce per-mutation CPU.",
+        },
     },
     "required": ["is_enabled", "tables"],
     "additionalProperties": False,
diff --git a/snuba/datasets/deletion_settings.py b/snuba/datasets/deletion_settings.py
index 9c9ca432ae..67e7567837 100644
--- a/snuba/datasets/deletion_settings.py
+++ b/snuba/datasets/deletion_settings.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from dataclasses import dataclass, field
-from typing import Dict, List, Sequence
+from typing import Dict, List, Optional, Sequence
 
 from sentry_protos.snuba.v1.request_common_pb2 import TraceItemType
 
@@ -16,6 +16,7 @@ class DeletionSettings:
     allowed_columns: Sequence[str] = field(default_factory=list)
     max_rows_to_delete: int = MAX_ROWS_TO_DELETE_DEFAULT
     allowed_attributes_by_item_type: Dict[str, List[str]] = field(default_factory=dict)
+    partition_column: Optional[str] = None
 
 
 def get_trace_item_type_name(item_type: int) -> str: