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Navigate logical layers of code changes, visualize relationships, and explore their blast radius. WalkthroughAdds a DeepSeek V4 Pro aggregate performance deployment and benchmark job. A reusable workflow supports preflight validation, execution, result checks, cleanup, and artifact upload. Nightly CI invokes the workflow and waits for it before Slack notification. ChangesDeepSeek V4 Pro nightly performance
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: 🔵 Low · up to The nightly benchmark can lose its performance artifacts and skip result verification if the frontend Pod is replaced mid-run. Looking up the current frontend Pod before copying fixes this. The risk is confined to CI, so the change is mergeable with that follow-up. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
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Actionable comments posted: 1
- 🪄 Fix CodeRabbit comments on this PR
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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @.github/workflows/deepseek-v4-pro-nightly.yml:
- Around line 147-148: Update the perf artifact copy step to resolve the current
frontend Pod immediately before copying, rather than using the potentially stale
FRONTEND value. Use the existing frontend deployment and component labels to
select the Pod, then copy from it only when a Pod name is available.
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📒 Files selected for processing (6)
.github/ci/deepseek-v4-pro-agg/kustomization.yaml.github/ci/deepseek-v4-pro-agg/patch-deploy.yaml.github/ci/deepseek-v4-pro-agg/patch-perf.yaml.github/filters.yaml.github/workflows/deepseek-v4-pro-nightly.yml.github/workflows/nightly-ci.yml
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dmitry-tokarev-nv
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Approving at 09d5ff264e. No P0 or P1 is open, but the new P2 below means that the nightly can stay red after the NCCL fix. Please read it before you merge.
- [P2] New: the inherited trace does not fit the 7,200 s Job deadline or the 1,048,576-token context.
patch-perf.yaml:22. Please size the nightly workload. - [P2] I agree with the open thread at
deepseek-v4-pro-nightly.yml:157. The names are fixed, but cleanup selects only the label of the current run. Please also delete the fixed names before preflight. - [P3] On the CodeRabbit thread at
deepseek-v4-pro-nightly.yml:148, a stale name turns the run red, not green. Its committable suggestion fails every preflight-only run, so do not commit it as written.
This nightly workflow cannot run on a PR. The main evidence is dispatch run 36509765198 at 404fe70a6b, the only full run, and it failed on the NCCL error that the description names. The rebase to 09d5ff264e changed only the needs line of notify-slack. The job DeepSeek V4 Pro aggregated perf in Nightly CI Pipeline has not run yet.
What I tested.
- The triggers are
workflow_callfromnightly-ci.ymlandworkflow_dispatch, so a fork PR cannot start the workflow. The token hascontents: read, and both external actions are pinned by SHA. - The overlay renders offline with kubectl 1.36.3 and kustomize v5.8.1. The patches reach
dsv4-pro-agganddsv4-bench. The result asks for 8 GB200 GPUs on 2 arm64 nodes and mounts the existingshared-model-cachePVC. The worker runs withHF_HUB_OFFLINE=1, so the run downloads no weights. - The expression of the Verify step passes the smoke export (3 of 3 requests) and fails the full export (72 of 3,541 requests, 3,469 errors). A failed benchmark fails the job.
- actionlint 1.7.12 reports nothing new in the changed workflows, except the runner label that existing jobs also use. It caught the wrong input name and the wrong output name that I planted.
- In
nightly-ci.yml, the new job needs the vLLM build and the ACR copy. Onlynotify-slackwaits for it, so a failure alerts Slack and blocks no other job. - I did not look at the model cache or the trace files on the cluster.
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Previously reported defects still present:
- Original discussion: Still present: the overlay does not override TRACE_FILE, so the benchmark inherits /model-cache/traces/64k_400_90kv_agent_new_noschedule_short_15perc.jsonl from recipes/deepseek-v4/perf/perf.yaml while the workflow still enforces a 7200-second job deadline and zero AIPerf errors.
- Original discussion: The current overlay still inherits the 15% trace through the upstream perf Job without overriding TRACE_FILE. The open discussion's verified context-overflow records and minimum decode time therefore still cause the 7,200-second Job or zero-error result check to fail.
- Original discussion: Verified still present: the overlay leaves the upstream 15% trace and 7,200-second Job deadline unchanged. The previously reported over-context requests and required decode time can still cause benchmark errors or timeout, which makes the zero-error verification fail.
- Original discussion: Verified still present: the overlay leaves the upstream 15% trace selected, while the inherited Job has a 7,200-second deadline and verification rejects any error. The previously reported oversized/context-overflow workload has not been changed.
dmitry-tokarev-nv
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Approving again at d494a24290. The new commit fixes the leftover problem on the thread by lavanyavijayk, and no P0 or P1 is open.
- [P2] Still open, and this commit does not change it: the inherited trace does not fit the 7,200 s Job deadline.
patch-perf.yaml:22, on my earlier thread. - [P2] Fixed, on the thread by lavanyavijayk: a leftover from a lost runner no longer blocks the next full run. The fix follows my ask there, and my evidence is in my reply.
- [P3] Fixed, on the CodeRabbit thread: the Collect step now finds the current frontend Pod inside the
$FRONTENDguard, as I advised there. - [P3] New: a lost run still leaves its two credential secrets in the namespace.
deepseek-v4-pro-nightly.yml:95.
This nightly workflow cannot run on a PR, and no dispatch run exists at d494a24290. I ran the two changed steps offline against a kubectl stub. The dispatch runs that I used are 36509765198 and 36483614436, both before this commit. No run of the job DeepSeek V4 Pro aggregated perf in Nightly CI Pipeline exists yet.
What I measured for the Collect step and the workflow syntax.
| Collect case | 09d5ff264e |
d494a24290 |
|---|---|---|
| The first frontend Pod was replaced | fails on kubectl cp |
copies from the running replacement |
| No running frontend Pod, or only a Pending one | fails on kubectl cp |
copies nothing and passes, then Verify fails on the missing export |
kubectl get pods fails |
makes no lookup | fails |
Preflight-only run, with FRONTEND empty |
makes no lookup | makes no lookup |
- actionlint 1.7.12 reports nothing new between
09d5ff264eandd494a24290. It caught both defects that I planted in the changed steps: a wrong input name and an unknown step ID. bash -npasses on every step script at both heads.
dmitry-tokarev-nv
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I approve again at a06a5e7c4a. This commit changes only the image of the benchmark Job, and no P0 or P1 is open.
- [P2] Open, and this commit does not change it: the inherited trace does not fit the 7,200 s Job deadline.
patch-perf.yaml:22, on my thread. - [P3] Open, and this commit does not change it: a lost run leaves its two credential secrets in the namespace.
deepseek-v4-pro-nightly.yml:95, on my thread. mainrequires resolved threads, so my two threads hold the auto-merge until you fix or resolve them. The threads by lavanyavijayk atdeepseek-v4-pro-nightly.yml:168and by nv-tusharma atpatch-deploy.yaml:53are also open.- Note, not a finding: the Job now uses
python:3.12-slimfrom Docker Hub, as the upstream recipe does. Today, Docker Hub serves the removed pin as the linux/amd64 image of that tag. When Docker Hub moves the tag, the Job can get a different image.
No run of this workflow exists at a06a5e7c4a, and the job DeepSeek V4 Pro aggregated perf in Nightly CI Pipeline has no run yet. A preflight-only dispatch at this commit can show that the cluster accepts the new Job in a server-side dry run.
What I measured for the image change.
- I rendered the overlay offline with kubectl 1.36.3 (kustomize v5.8.1) and the same edits as the Render step. From
d494a24290toa06a5e7c4a, one line changes. The Job image goes fromdocker.io/library/python@sha256:44ff437b…topython:3.12-slim. The pull policy staysIfNotPresent, and the Job still has no pull secret and still runs on amd64 nodes. - Control: my render of
d494a24290is identical to therendered.yamlartifact of run 36509765198, after I replace the run key and the vLLM image. A merge with the currentmainrenders the same asa06a5e7c4a. - On Docker Hub today, the
python:3.12-slimindex issha256:f77ac9e4…. Its linux/amd64 entry issha256:44ff437b…, version 3.12.14-slim-trixie. A tag that does not exist returnsmanifest unknown. - An early version of this PR,
04a51f3371, recorded the same tag, index, and amd64 digest inbenchmark-image.json. Its README says "Preflight verifies platform digests, reproducible rendering". So the pin kept the benchmark image fixed. - In runs 36509765198 and 36492265405, the cluster pulled
docker.io/library/python@sha256:44ff437b…in 3.332 s and 3.626 s, with no pull secret.python:3.12-slimis a short name for the same Docker Hub repository. In run 36509765198, other pods in the namespace usedghcr.io/ai-dynamo/grove/grove-initc:v0.1.0-alpha.12, a tag with no digest, andbusybox:1.37.0@sha256:9db7b599…, a short name. - This repository has no registry mirror configuration. I did not measure the node configuration or the Docker Hub pull limit of the cluster. Neither is in the repository or in the CI logs.
- The fixes in
d494a24290follow my earlier asks, so this approval partly covers my own advice.
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
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dmitry-tokarev-nv
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I approve again at 4ec2547084. Both fixes hold, and no P0 or P1 is open. One new P2 is open on my new thread. main requires resolved threads, so that thread now holds the auto-merge.
- [P2] Fixed in
753b3434d5: the inherited trace. My evidence is on my thread. - [P3] Fixed in
d96ebf6e89: the Secrets of a lost run. My evidence is on my thread. - [P2] New: each nightly copies and keeps about 3.2 GB of
inputs.json.deepseek-v4-pro-nightly.yml:164. - Note, not a finding:
notify-slackinnightly-ci.ymlwaits for this job. With the new 900-minute limit, the Nightly Slack summary can wait up to 15 hours for this job. The old limit was 5 hours. - Note, not a finding: the benchmark step has no step limit now. Only a complete or a failed Job ends its loop. If the benchmark Pod never starts, the deployment keeps its 8 GB200 GPUs until the 12-hour Job deadline. The old step limit was 125 minutes.
The rebase to 4ec2547084 changed no line of this PR. No run of this workflow exists at 753b3434d5, d96ebf6e89, or 4ec2547084, and the job DeepSeek V4 Pro aggregated perf in Nightly CI Pipeline has no run yet. So the first full nightly is the first GPU run of the new sweep. The two fixes follow my asks, so this approval partly covers my own advice.
What I tested in this round.
- I rendered the overlay offline at
a06a5e7c4a,753b3434d5,d96ebf6e89, a merge ofd96ebf6e89withmain, and4ec2547084. The last four render the same. - I ran the command of the Job locally with AIPerf 0.12.0 against the AIPerf mock server, and I ran the Verify step on its output. The details are on my threads.
- For the lost-run test, I ran the Preflight, Deploy, benchmark, Collect, and Clean up steps of each commit offline against a
kubectlstub. - The 12-hour deadline fits the 900-minute job limit, with 720 minutes for the Job and 170 minutes for the other step limits. The workflow reads the renewed tbot kubeconfig directly. The repository shows no other time limit for this namespace.
- I did not run anything on a cluster or on a GPU.
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
dmitry-tokarev-nv
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Approved at 16a41f7d20, with one open P2. I reopened the inputs.json thread, because the new delete fails for the frontend user, and then the Collect step copies no results.
- [P2]
deepseek-v4-pro-nightly.yml:165: the frontend runs asdynamo(uid 1000) and cannot delete the files that the Job wrote as root. The thread has the measurement and the ask.
This P2 does not block the merge by itself. Auto-merge now waits for the reopened thread. The first nightly will show the P2, or one ls -ln of a run folder on shared-model-cache.
Notes that do not block the merge.
- No earlier run left
inputs.jsonon the PVC. Run 36509765198 used the trace workload, which does not write the file. The smoke runs of #14893 wrote AIPerf output to/tmp/aiperfin the pod. No run used the synthetic workload yet. - If the delete has permission, the fix works. It removes
inputs.jsonfrom the run folder and from the artifact, and it keeps the results and the folders of other runs. - The fix changes only the folder of the current run, so older run folders stay on the PVC. The copied folder of run 36509765198 holds 7 files, 9,743,658 bytes in total.
- I did not measure the file permissions on
shared-model-cache, because I did not look at the cluster.
Signed-off-by: Saravana Periyasamy <saperiyasamy@nvidia.com>
Summary
Run the upstream DeepSeek-V4-Pro aggregated deployment and existing upstream synthetic AIPerf Job after the nightly vLLM image is copied to ACR. The GCP Kustomize overlay supplies the shared model cache, scheduling, and nightly runtime image pinned to its ARM64 digest.
Match the GitLab nightly workload sizes and counts: 8,192 input tokens, 1,024 output tokens, concurrency
1 8 64 128 256 512 1024, 16 warmup requests per concurrency,3 × concurrencymeasured requests, and seed 100. Reuserecipes/deepseek-v4/deepseek-v4-pro/vllm/disagg/gb200/perf.yamlagainst the aggregated endpoint; its command and AIPerf 0.12.0 remain unchanged. Allow the benchmark's 12-hour deadline, collect every sweep's artifacts, and require each of the seven results to have the expected request count, zero errors, and positive output.Reuse the deployment runner's bundled tools for preflight, live logs, artifacts, and cleanup. Keep explicit per-run pull secrets and artifact paths. Six YAML files; no scripts, tests, README, or docs added.
Validation
753b3434d5.gc-dev-02; the rendered aggregated DGD and ComputeDomain are unchanged.ncclCommWindowRegisterwithNCCL error: unhandled cuda error. That runtime failure remains unresolved.OPS-8657
Summary by CodeRabbit