Bring periodic perf tests on GitHub back (#2037)

* test/fixtures: fix DeprecationWarning
* workflows/benchmarking: increase timeout
* test: switch pgbench to default(simple) query mode
* test/performance: ensure we don't have tables that we're creating
* workflows/pg_clients: remove unused env var
* workflows/benchmarking: change platform name

.github/workflows/benchmarking.yml

@@ -26,11 +26,11 @@ jobs:
     runs-on: [self-hosted, zenith-benchmarker]
 
     env:
-      POSTGRES_DISTRIB_DIR: "/usr/pgsql-13"
+      POSTGRES_DISTRIB_DIR: "/usr/pgsql-14"
 
     steps:
     - name: Checkout zenith repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     # actions/setup-python@v2 is not working correctly on self-hosted runners
     # see https://github.com/actions/setup-python/issues/162
@@ -88,7 +88,7 @@ jobs:
         # Plus time needed to initialize the test databases.
         TEST_PG_BENCH_DURATIONS_MATRIX: "300"
         TEST_PG_BENCH_SCALES_MATRIX: "10,100"
-        PLATFORM: "zenith-staging"
+        PLATFORM: "neon-staging"
         BENCHMARK_CONNSTR: "${{ secrets.BENCHMARK_STAGING_CONNSTR }}"
         REMOTE_ENV: "1" # indicate to test harness that we do not have zenith binaries locally
       run: |
@@ -96,7 +96,7 @@ jobs:
         # since it might generate duplicates when calling ingest_perf_test_result.py
         rm -rf perf-report-staging
         mkdir -p perf-report-staging
-        ./scripts/pytest test_runner/performance/ -v -m "remote_cluster" --skip-interfering-proc-check --out-dir perf-report-staging
+        ./scripts/pytest test_runner/performance/ -v -m "remote_cluster" --skip-interfering-proc-check --out-dir perf-report-staging --timeout 3600
 
     - name: Submit result
       env:

.github/workflows/pg_clients.yml

@@ -48,9 +48,6 @@ jobs:
         BENCHMARK_CONNSTR: "${{ secrets.BENCHMARK_STAGING_CONNSTR }}"
         TEST_OUTPUT: /tmp/test_output
         POSTGRES_DISTRIB_DIR: /tmp/neon/pg_install
-        # this variable will be embedded in perf test report
-        # and is needed to distinguish different environments
-        PLATFORM: github-actions-selfhosted
       shell: bash -ex {0}
       run: |
         # Test framework expects we have psql binary;