diff --git a/concourse/scripts/common.sh b/concourse/scripts/common.sh
index 00cf6f41..fceea135 100644
--- a/concourse/scripts/common.sh
+++ b/concourse/scripts/common.sh
@@ -2121,8 +2121,10 @@ function run_eloqkv_cluster_tests() {
         --txlog_rocksdb_cloud_bucket_name=${txlog_rocksdb_cloud_bucket_name} \
         --txlog_rocksdb_cloud_object_path=${txlog_rocksdb_cloud_object_path} \
         --txlog_rocksdb_cloud_s3_endpoint_url="${txlog_rocksdb_cloud_s3_endpoint_url}" \
-	      --max_processing_time_microseconds=1000 \
-	      --eloq_store_pages_per_file_shift=1 \
+        --max_processing_time_microseconds=1000 \
+        --eloq_store_pages_per_file_shift=1 \
+        --cache_evict_policy=LO_LRU \
+        --lolru_large_obj_threshold_kb=1 \
         --eloq_store_cloud_endpoint="${txlog_rocksdb_cloud_s3_endpoint_url}" \
         --eloq_store_cloud_access_key="${rocksdb_cloud_aws_access_key_id}" \
         --eloq_store_cloud_secret_key="${rocksdb_cloud_aws_secret_access_key}" \
diff --git a/data_substrate b/data_substrate
index f94af001..c8fdcc4f 160000
--- a/data_substrate
+++ b/data_substrate
@@ -1 +1 @@
-Subproject commit f94af0016144ddbf8579e8284ccae2e0a953b319
+Subproject commit c8fdcc4f2b367737145826cf64b797bd0b8bba7a