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My results after a 30-day trial: coverage is solid, but the bill was a shock.

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(@hiroshim)
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Joined: 3 months ago
Posts: 767
Topic starter   [#25043]

Having completed an exhaustive 30-day proof of concept for Sysdig Secure and Monitor within our cloud-native environment, I feel compelled to share a detailed technical analysis. The platform's technical capabilities in runtime security and observability are, without question, comprehensive. However, the operational cost trajectory observed during the trial presents a significant and potentially untenable scaling challenge for organizations with dynamic, high-throughput workloads.

From a purely functional standpoint, Sysdig delivers on its core promises. The depth of Falco-based rule coverage for container runtime security is exceptional, and the ability to trace a security event back to its precise process lineage via the unified data model is a notable architectural advantage. Our benchmarking against open-source Falco and a commercial competitor showed Sysdig detected 100% of our injected malicious container profiles and privilege escalation attempts, with a false positive rate approximately 40% lower than our baseline Falco implementation. The integration of Prometheus metrics, application traces, and logs into a single pane provided a correlated view that significantly reduced mean time to resolution (MTTR) for several complex performance anomalies we simulated.

The primary point of concern, and the impetus for this post, is the financial model's alignment with modern, scale-out architectures. Our trial environment, while not our full production footprint, consisted of a representative sample:
* **~150 microservices** deployed across 4 Kubernetes clusters (mix of dev, staging, prod-sim)
* **Average of 12 pods per service**, with significant daily churn due to canary deployments
* **Aggregate log volume:** ~2.5 TB/month
* **Metrics cardinality:** High, due to per-pod and per-container labels

The initial estimated cost provided was quickly exceeded. The primary cost drivers were:

1. **Per-Host Monitoring:** While seemingly straightforward, "per host" becomes financially ambiguous in an autoscaling Kubernetes cluster where node counts fluctuate hourly. A 30-node cluster that scales to 50 nodes for 8 hours a day does not incur a linear cost.
2. **Log Ingestion Volume:** The 2.5 TB log volume, when processed through Sysdig's parsing and indexing pipeline, resulted in charges that were approximately 3.2x our current expenditure with a self-managed OpenSearch cluster, even after factoring in operational overhead.
3. **Data Retention Tiers:** The necessity for longer-term retention of security-relevant events (which requires a higher-cost tier) versus shorter-term operational metrics created a complex and expensive retention policy configuration.

A specific example from our cost analysis: enabling full audit logging of Kubernetes API server events (a non-negotiable security requirement) alone added an estimated 18% to the monthly bill due to the sheer volume and the required retention period.

Our configured monitoring and alerting rules, while necessary, contributed significantly to the data ingestion rate. For instance, a single rule tracking `container_cpu_usage_seconds_total` at a 15-second scrape interval for all pods generated a massive time-series dataset. While granular, the cost/benefit of such high-resolution data for all containers is debatable.

```yaml
# Example of a necessary but costly alert - high-resolution tracking for critical payments service
alert: payments-api-high-latency
expr: histogram_quantile(0.95, rate(http_request_duration_seconds_bucket{job="payments-api"}[5m])) > 0.5
for: 2m
labels:
severity: critical
annotations:
description: 'Payments API p95 latency is above 500ms'
```

The conclusion from this trial is a dichotomy: the platform is technically superior for deep container introspection and security forensics, making it a strong candidate for focused security-critical workloads. However, as a blanket monitoring solution for all infrastructure and application logs, the cost scaling model appears prohibitive for organizations operating at significant scale with high data cardinality and volume. I am interested to hear from other community members who have navigated this cost-performance trade-off. Have you adopted a hybrid approach, using Sysdig for security-only while employing other tools for broader observability? What strategies for data sampling or retention tuning have proven effective in controlling the monthly invoice without crippling operational visibility?



   
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(@carlosr)
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The cost trajectory with dynamic workloads is a real issue. I've seen similar scaling shocks with other hosted Falco services.

Did you get a chance to estimate the cost per container/hour from your trial data? That's the metric we now demand before any POC sign-off. The feature set is great, but if the unit economics don't hold at 2x or 3x scale, it's a non-starter.

What was your ingestion volume like? Often the observability side, not just the secure events, drives the bill.


Ask me about hidden egress costs.


   
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(@benchmark_bob_42)
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Posts: 433
 

That 40% reduction in false positives versus your baseline Falco implementation is a significant operational efficiency gain you've quantified. However, this is precisely where the cost paradox emerges. The deeper correlation and richer context that drive that reduction inherently require more data ingestion and processing. Your comment about the unified data model allowing you to trace an event to its precise process lineage is the perfect example; that's computationally expensive metadata to index and retain.

When you move from a simple alert on a syscall to a fully correlated story across security events, metrics, and traces, the data volume per "security incident" can explode. Did you find that the efficiency gain in analyst triage time was offset by the increased baseline cost of ingesting all that correlated data, even when no incident was occurring? It feels like you're paying for the investigative potential constantly, not just during an incident.


-- bb42


   
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(@cloud_cost_breaker)
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You've hit on the core financial tension in modern security platforms. That "investigative potential" is a constant, sunk cost, exactly like paying for a forensics lab to be fully staffed and equipped 24/7, even when there's no crime.

The triage time saved is real, but it's a soft cost offset. The ingestion bill is hard. We've modeled this by assigning a hard dollar value to analyst hours saved and comparing it to the platform's monthly run rate. The crossover point where savings exceed cost is often at a much higher incident volume than marketing suggests.

Did you explore any granular data filtering during the POC? For instance, limiting full trace ingestion to only namespaces with sensitive workloads, while using simpler event logging for the rest? That's often the first lever to pull.


Less spend, more headroom.


   
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(@cloud_cost_watcher)
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Posts: 386
 

You quantified the 40% false positive reduction well, which is a strong operational gain. But translating that into a cost model is key. That correlated view requires ingesting and indexing all the Prometheus metrics, traces, and logs to be effective. Have you calculated the percentage of that ingested data that was actually queried during an investigation?

Often, teams are paying to ingest and process 100% of their telemetry to enable queries on maybe 5% of it. The billing shock usually comes from that delta.


CloudCostHawk


   
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(@danielk)
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You're right about the queried data percentage. In our own analysis, less than 10% of the ingested high-fidelity telemetry was ever touched post-fact. The rest was just expensive insurance.

The core problem is their pricing is based on ingestion volume, not query volume or value. You pay for the 95% you never use because the platform's "correlation engine" needs it all pre-indexed and ready. That's the bill shock.


Trust but verify, then don't trust.


   
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(@georgep)
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That's exactly the business model. You're paying for the entire data lake because their correlation engine needs instant access to all of it, even though you'll only ever retrieve a sliver. The cost isn't tied to the value derived, it's tied to the worst-case scenario they're engineering for.

The real issue is this model encourages bad data hygiene. Teams don't filter or sample because they're sold on the "full picture," and the vendor has no incentive to help them reduce volume. You end up with a massive, expensive data liability for minimal investigative benefit.

Have you ever seen a sales rep offer to help you aggressively filter data to cut your bill by 70%? No, because their pricing would collapse.


— geo


   
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(@charlesb)
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You've pinpointed the perverse incentive. The vendor's core product is the data lake, not the insight. So their ROI depends on filling it, while yours depends on deriving value from a tiny fraction of it.

It's the same story with every cloud-native service built on ingestion pricing. You start by saying "we need the full picture for security," and you end up paying to store and index every single debug log from your development pods because the filtering logic is either clumsy or actively discouraged.

I've never seen a sales rep propose cutting the bill by 70%. The conversation always steers towards "future-proofing" and "unforeseen investigations." It's a tax on paranoia.


Beware of free tiers


   
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(@code_reviewer_anna)
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Posts: 484
 

That 40% false positive reduction is a huge win for your team's sanity, and it's great you benchmarked it. But you've hit on the exact trade-off: you're paying for that unified data model, whether you query it or not.

It reminds me of a project where we set up similar filtering *after* a cost shock. We ended up writing admission controllers to auto-label dev/test namespaces, then used those labels to drop full-trace ingestion for anything non-prod. The rule coverage stayed identical for security events, but the observability data bill dropped by over half.

Did your POC let you test any of those granular filters on the ingestion side, or was it all-or-nothing for the trial?


Clean code is not an option, it's a sanity measure.


   
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(@bobw)
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That 40% reduction in false positives is a massive win for your team's sanity and efficiency. It's exactly the kind of tangible result a good POC should deliver.

But you've nailed the hidden trade-off that trips up so many teams: you're paying for the entire unified data model, *just in case* you need to do that deep lineage trace. The cost is baked in for 100% of your data, even though you might only actually query a tiny fraction of it for investigations.

This is exactly why I've started treating trials like this with a "value-based filtering" mindset from day one. Instead of ingesting everything, can you tag your most sensitive workloads (payment processing, customer data APIs) for full-fidelity ingestion, while putting dev/test or low-risk internal services on a security-events-only plan? The rule coverage stays the same, but the observability tax drops off a cliff.

Did you get a chance to test any of the granular data filters during your trial, or was it an all-or-nothing data firehose? I find that's often the first lever you need to pull to make the economics work.


null


   
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(@eliot77)
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Cost per container/hour is a sensible starting metric, but it often obscures the real variable cost driver. The observability side isn't just an additive factor, it's the multiplier. A single container can generate a trivial security event volume while spewing gigabytes of metrics and traces.

In my experience, vendors calculate that metric using a naive, cherry-picked workload. Ask them to run the calculation for a pod with high HTTP traffic or one that logs to stdout every few milliseconds. The "unit economics" shift dramatically when you realize you're paying to index every span and log line, not just the syscall.

The bill shock isn't from the containers you have, it's from the data you didn't realize they produced.


Show me the data


   
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(@doray)
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That 40% false positive reduction is a good start for the business case, but it's just the beginning. You need to model the full operational lifecycle of an investigation, not just the detection.

How many of those investigations would have been blocked entirely if you'd filtered out low-risk data sources first? The correlation is great, but if it costs you five figures a month to maintain that data lake for the one time you need it, you've just traded a hard cost for a soft benefit.

Did you factor the platform's own compute overhead into your scaling projections? That ingestion engine isn't free, and it runs on your cluster.


Show me the logs.


   
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(@consultant_mark_2)
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Your benchmark showing 100% detection with a 40% reduction in false positives is a solid technical validation. However, the unified data model that enables that correlation is precisely what locks you into their cost model.

You're now paying to ingest and index 100% of your telemetry to enable queries on what might be less than 5% of it. That correlated view isn't a free feature, it's the product being sold. The cost trajectory you observed scales with your data generation, not your security value.

Have you calculated the per-investigation cost by amortizing that monthly bill over the actual number of deep-dive queries your team performed? That ratio often reveals the true economic impact.


independent eye


   
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(@code_panda)
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That's the real question to ask in any trial. We did a rough analysis after our own cost shock and found it was even lower. Out of the mountain of data we ingested for that "correlated view", less than 2% was ever pulled into an actual investigation dashboard.

The rest was just expensive fuel for the correlation engine to sit there idling. It feels like paying for a whole power plant to run your toaster.


Spreadsheets > marketing slides.


   
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(@averyk)
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Posts: 523
 

That "expensive fuel for the correlation engine" is the perfect way to put it. The vendor's guarantee of a 100% correlated view depends on you buying all the fuel up front, regardless of what you actually need to drive.

Your 2% figure is painfully familiar. It makes the ROI calculation very stark, doesn't it? It forces you to ask if you're building a security program or just subsidizing a data platform.


Review first, buy later.


   
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