Files
zlareb1andClaude Sonnet 4.6 35e48faf43 keeper stress: add Keeper stress test framework
Adds a stress testing framework for ClickHouse Keeper under
`tests/stress/keeper/`, wired into CI (PR gate + nightly workflows).

Key components:
- Workloads: `keeper_bench.py` runner with YAML-defined workload profiles
  (`prod_mix.yaml`, `read_requests.yaml`, `write_requests.yaml`, etc.)
- Scenarios: `core_no_faults.yaml` and `core_faults.yaml` with netem-based
  network fault injection (latency, jitter, packet loss)
- Fault framework: `faults/network.py` (netem), `faults/base.py` (step
  dispatcher with `kind: parallel` support)
- Metrics: `MetricsSampler` collects keeper stats, `sink.py` writes JSONL,
  ingested into CIDB via `ingest_keeper_metrics.py` post-hook
- Gates: scenario pass/fail conditions based on RPS, p99 latency, error rate
- Grafana dashboards for run details, 1vs1 comparison, historical progression

CI integration:
- PR job: 3 no-fault scenarios (prod-mix, read-multi, write-multi), ARM_LARGE,
  15 min each, runs when `src/Coordination/` or stress test files change
- Nightly (no-faults): all no-fault scenarios, default + rocks backends, ARM_LARGE
- Nightly (faults): all fault scenarios, default + rocks backends, ARM_LARGE
- Single `keeper_stress_job` config; mode detected via `Info().pr_number` and
  `Info().workflow_name` inside the job script

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>
2026-03-21 16:08:00 +00:00

32 lines
941 B
Python

from praktika import Job, Workflow
from ci.defs.defs import BASE_BRANCH, DOCKERS, SECRETS, ArtifactConfigs, ArtifactNames, BuildTypes
from ci.defs.job_configs import JobConfigs
binary_build_job = Job.Config.get_job(
JobConfigs.build_jobs, f"Build ({BuildTypes.ARM_BINARY})"
).set_provides(ArtifactNames.CH_ARM_BINARY, reset=True)
# No-fault run: Sun / Tue / Thu / Sat
workflow = Workflow.Config(
name="NightlyKeeperNoFaults",
event=Workflow.Event.SCHEDULE,
branches=[BASE_BRANCH],
jobs=[
binary_build_job,
JobConfigs.keeper_stress_job.set_name("Keeper Stress (No Faults)"),
],
artifacts=[
*ArtifactConfigs.clickhouse_binaries,
],
dockers=DOCKERS,
secrets=SECRETS,
enable_cache=True,
enable_report=True,
enable_cidb=True,
cron_schedules=["17 1 * * 0,2,4,6"],
pre_hooks=["python3 ./ci/jobs/scripts/workflow_hooks/store_data.py"],
)
WORKFLOWS = [workflow]