Test weird parameters

.github/actions/neon-project-create/action.yml

@@ -63,7 +63,39 @@ runs:
               \"name\": \"Created by actions/neon-project-create; GITHUB_RUN_ID=${GITHUB_RUN_ID}\",
               \"platform_id\": \"aws\",
               \"region_id\": \"${REGION_ID}\",
-              \"settings\": { }
+              \"settings\": {
+                \"constraint_exclusion\": \"off\",
+                \"cpu_index_tuple_cost\": \"1.637272286893718e+308\",
+                \"cpu_operator_cost\": \"1.79769e+308\",
+                \"cpu_tuple_cost\": \"1.6957485653186957e+308\",
+                \"cursor_tuple_fraction\": \"0.4685070675008615\",
+                \"enable_async_append\": \"off\",
+                \"enable_bitmapscan\": \"on\",
+                \"enable_gathermerge\": \"on\",
+                \"enable_hashagg\": \"on\",
+                \"enable_hashjoin\": \"off\",
+                \"enable_incremental_sort\": \"on\",
+                \"enable_indexonlyscan\": \"on\",
+                \"enable_indexscan\": \"on\",
+                \"enable_material\": \"off\",
+                \"enable_mergejoin\": \"off\",
+                \"enable_nestloop\": \"off\",
+                \"enable_parallel_append\": \"off\",
+                \"enable_parallel_hash\": \"off\",
+                \"enable_partition_pruning\": \"on\",
+                \"enable_partitionwise_aggregate\": \"off\",
+                \"enable_partitionwise_join\": \"on\",
+                \"enable_seqscan\": \"on\",
+                \"enable_sort\": \"off\",
+                \"enable_tidscan\": \"off\",
+                \"from_collapse_limit\": \"1594910280\",
+                \"min_parallel_table_scan_size\": \"0\",
+                \"parallel_setup_cost\": \"1.79769e+308\",
+                \"parallel_tuple_cost\": \"6.288448285557434e+307\",
+                \"plan_cache_mode\": \"force_custom_plan\",
+                \"random_page_cost\": \"2.468072863935744e+307\",
+                \"seq_page_cost\": \"0.0\"
+              }
             }
           }")
 

.github/workflows/benchmarking.yml

@@ -153,7 +153,7 @@ jobs:
         # neon-captest-new: Run pgbench in a freshly created project
         # neon-captest-reuse: Same, but reusing existing project
         # neon-captest-prefetch: Same, with prefetching enabled (new project)
-        platform: [ neon-captest-new, neon-captest-reuse, neon-captest-prefetch, rds-aurora ]
+        platform: [ neon-captest-prefetch ]
 
     runs-on: dev
     container:
@@ -213,8 +213,24 @@ jobs:
     - name: Set database options
       if: matrix.platform == 'neon-captest-prefetch'
       run: |
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET geqo_seed=1.0"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET geqo_effort=10"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET seqscan_prefetch_buffers=647"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET default_statistics_target=1"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET jit_above_cost=-1.0"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET join_collapse_limit=1"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET geqo_selection_bias=2.0"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET geqo_pool_size=1574739104"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET geqo_generations=2147483647"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET enable_memoize=off"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET jit_inline_above_cost=-1.0"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET min_parallel_index_scan_size=0"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET geqo_threshold=2"
         psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET enable_seqscan_prefetch=on"
-        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET seqscan_prefetch_buffers=10"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET jit=off"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET jit_optimize_above_cost=1.79769e+308"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET geqo=on"
+        psql ${BENCHMARK_CONNSTR} -c "ALTER DATABASE main SET effective_cache_size=872767456"
       env:
         BENCHMARK_CONNSTR: ${{ steps.set-up-connstr.outputs.connstr }}