Question 1

What critical alerts should my on-call team prioritize for Catalyst agents?

Accepted Answer

Your on-call team should first prioritize alerts tied to durable execution state consistency and external dependency failures. Track stuck workflow instances, failed external tool or model call retries, and growing work queues across your Catalyst deployments. Note that durable execution does not guarantee exactly-once delivery, so avoid alerting on single transient failures that do not block core work completion.

Question 2

How do I set concurrency limits and backpressure for Catalyst agent runs?

Accepted Answer

To set concurrency limits and backpressure for Catalyst agent runs, start by properly aligning key guardrails with your external model and connected tool rate limits. Use Catalyst’s appropriate built-in flow controls tied to Dapr’s service-to-service limits to enforce backpressure effectively during sudden load spikes. Keep in mind that observability data is not an official audit record, so cross-check with your critical workflow state logs for full compliance.

Question 3

What runbook steps fix stuck or looping Catalyst agent workflows?

Accepted Answer

The core steps to fix stuck or looping Catalyst agent workflows are validating persisted state, isolating issues via replay tools, adjusting workflow definitions, and clearing stuck state entries. Inspect persisted state for unprocessed external calls or unresolved branching logic, use Catalyst’s replay tools to pinpoint loop or block locations, then refine definitions or clear stale state entries. Note that containing stuck runs does not prevent future incidents, so pair fixes with proactive alerting.

Question 4

How do I handle rate limits from external model and tool providers?

Accepted Answer

Use Catalyst’s built-in throttling and retry logic alongside Dapr circuit breakers to manage external model and tool provider rate limits. Map your agent’s external API call volumes to each provider’s documented rate limits, carefully configure matching guardrails, and temporarily pause calls during provider outages to prevent cascading failures. Note that durable execution does not guarantee exactly-once delivery, so avoid redundant retries that could trigger over-limit errors.

Question 5

What capacity planning steps fit growing Catalyst agent workloads?

Accepted Answer

The optimal starting point for capacity planning growing Catalyst agent workloads is tying resource allocation to measured workflow demand. Use Catalyst’s built-in execution metrics to map granular resource usage to your underlying infrastructure, align capacity with peak agent load volumes and external dependency constraints. Note that Catalyst’s observability data is not an official audit record, so cross-reference with workflow state logs for accurate capacity forecasting efforts.

Question 6

How do I track queue growth for Catalyst agent workflows?

Accepted Answer

Use Catalyst’s native queue metrics to track pending workflow work items and their age over time. Set critical thresholds aligned with your service processing objectives to flag sustained queue growth, and monitor these metrics alongside granular workflow state data. Note that durable execution does not guarantee exactly-once delivery, so avoid overreacting to temporary queue blips without cross-checking full workflow state details first.

Question 7

How do I detect stuck or looping durable agent workflow runs?

Accepted Answer

You can detect stuck or looping durable agent workflow runs using Diagrid Catalyst’s native production-grade observability and monitoring tooling. Track unupdated workflow execution timestamps, failed periodic heartbeat signals from connected agent nodes, and configure critical alerts tied to workflow state persistence gaps and external backend service API call timeout thresholds. Alerting only flags identified critical issues and cannot auto-resolve all stuck workflow scenarios without predefined operational runbook procedural steps.

Question 8

How do I manage concurrency limits and backpressure for agent workflows?

Accepted Answer

You can manage concurrency limits and backpressure for agent workflows using Diagrid Catalyst, the AI-native agentic durable execution platform built on Dapr. It supports tiered, per-distinct-agent-type workload caps aligned with external public cloud service provider rate constraints, plus targeted queue-based backpressure to block excess incoming traffic and prevent system-wide workflow overload. Keep in mind that overly strict caps may delay non-priority agent runs without clear operational benefit.

Question 9

How do I manage rate limits from LLM and external tool providers?

Accepted Answer

You can manage LLM and external tool provider rate limits using Diagrid Catalyst’s built-in agentic durable execution capabilities for production AI agents. Batch non-critical external API calls, implement exponential backoff retry logic tied to each provider’s documented rate limit signals across common LLM and tool vendors, queue excess pending requests for deferred background processing instead of immediate failure. This setup does not override permanent, hard-coded provider rate limit constraints.

Question 10

What should I do when agent workflow queues grow unexpectedly?

Accepted Answer

You can resolve unexpected agent workflow queue growth with targeted, structured troubleshooting tailored to your Catalyst-based production AI agent environments. First clear stuck workflow runs, adjust agent workflow concurrency limits, then systematically audit queue backlogs to pinpoint bottlenecks from failed external API calls or misconfigured workflow timeouts. Be aware that unaddressed queue growth may degrade critical performance of active agent workflow runs before full remediation is complete.

Question 11

How do I plan capacity for growing durable agent workflow workloads?

Accepted Answer

You can plan capacity for growing agentic durable execution workflow workloads using Diagrid Catalyst by tracking workflow state persistence rates and external dependency call throughput trends over time. Map observed growth patterns to scaling requirements for both the execution plane and external dependency infrastructure layers to align with projected demand shifts. This planning does not account for unforeseen spikes in non-uniform agent workloads.

Question 12

What should an on-call engineer check first for agent workflow outages?

Accepted Answer

An on-call engineer should first validate workflow state persistence and recent execution heartbeat statuses when troubleshooting production Catalyst agent workflow outages. Use Catalyst’s Dapr-native tooling to cross-reference critical failed production run logs, confirm external service availability, and streamline initial diagnostic checks to quickly isolate root causes. Note that initial targeted checks may not uncover subtle misconfigured workflow logic or unhandled non-deterministic execution gaps.

Question 13

How do I set up alerts for stuck agent workflow runs?

Accepted Answer

Start configuring alerts for stuck agent workflow runs by prioritizing workflow heartbeat gaps and key unprocessed task queue backlogs. Leverage Catalyst’s built-in durable execution state tracking to map targeted alert triggers to specific workflow stagnation metrics for detecting prolonged inactivity, cutting down on false positive alerts from normal execution variability. Note that alerts for probabilistic agent steps may need adjusted thresholds due to their inconsistent execution timing.

Question 14

How do I configure concurrency limits and backpressure for agent workflows?

Accepted Answer

Start by defining per-workflow concurrency boundaries aligned with external API and LLM model rate limits to manage agent workflow load effectively. Leverage Diagrid Catalyst’s built-in backpressure mechanisms to queue excess tasks instead of dropping them, and tie configured limits to real-time runtime state tracking for dynamic adjustment. Avoid setting overly restrictive limits that could starve critical agent workflows during unexpected peak load conditions.

Question 15

How do I monitor and mitigate workflow task queue growth?

Accepted Answer

Proactively monitor workflow task queue backlog relative to your processing capacity using Catalyst’s native observability tools to spot growth early for your production AI agent workflows. Scale processing pools dynamically, adjust concurrency per individual workload, prioritize high-priority workflow runs, align processing resources to match real-time demand, and tune for your specific environment. Avoid overprovisioning capacity, as this adds unnecessary operational overhead without meaningful performance gains.

Question 16

What should an on-call engineer check first for agent workflow issues?

Accepted Answer

An on-call engineer should first check core Catalyst, built on Dapr, agentic durable execution runtime health and recent workflow state changes for production AI agents. Review key recent failed task logs, critical queue backlog metrics, and active alert triggers to quickly narrow down the specific root cause of agent workflow issues. Note that probabilistic agent steps may have unexpected delayed failure signals that require additional targeted investigation into workflow anomalies.

Question 17

How do I plan capacity as agent workflow volume increases?

Accepted Answer

Start by tracking workflow processing rates and queue backlogs to forecast capacity needs for growing agent workflow volumes using Diagrid Catalyst. Implement layered scaling for your dynamic processing pools, align capacity limits with proper external provider rate limits to avoid costly bottlenecks, and refine forecasts regularly as load shifts. Avoid relying solely on static capacity projections, as dynamic workload variability can shift your actual capacity needs unexpectedly.

Question 18

What key alert signals should I monitor for Catalyst agent workflows?

Accepted Answer

Prioritize four core targeted alert signals for Catalyst agent workflows. These include stuck workflow runs, exceeded LLM or critical external tool rate limits, growing work queues, and failed state persistence, mapped to your production deployment’s tailored observability streams, avoiding generic alerts that miss LLM-specific workflow failures. Keep in mind probabilistic LLM interactions can create unforeseen edge cases that standard monitoring overlooks.

Question 19

How do I define service objectives for probabilistic agent workflows?

Accepted Answer

Start by separating deterministic workflow metrics from probabilistic LLM-driven outcomes when setting service objectives. Categorize objectives into execution reliability for durable steps, and quality thresholds for probabilistic outputs, without rigid success ties to variable LLM results. Avoid overloading service objectives with metrics dependent on non-deterministic LLM behavior, as these can cause misaligned alerting and reporting.

Question 20

What operational alert signals indicate Catalyst agent workflow reliability issues?

Accepted Answer

Key operational alert signals for Catalyst agent workflow reliability issues include workflow task queue backlogs, external model/tool API rate limit breaches, and failed non-replayable task attempts. Use Catalyst’s native observability tools to tie these alerts directly to active workflow run states, enabling targeted real-time triage without raw audit logs. Note these tools do not serve as official audit records and do not cover every non-deterministic LLM failure scenario.

Question 21

What’s the right way to set service objectives for probabilistic agent workflows?

Accepted Answer

The right way to set critical service objectives for probabilistic agent workflows is to align these objectives to overall workflow outcomes instead of rigid, narrow success thresholds. Next, map objectives across both key deterministic steps like data validation and probabilistic steps such as model inference, grouping similar probabilistic tasks to establish consistent, clear guardrails. Importantly, these objectives cannot account for every possible edge case tied to probabilistic model behavior.

Question 22

What alerts should I prioritize for agentic durable execution workflows?

Accepted Answer

Prioritize alerts for agentic durable execution workflows that block end user value or lead to significant queue backlog first. Track stuck workflow runs, repeated unplanned duplicate executions, breaches of concurrency limits, and errors originating from key external model or critical tool calls during active workflow execution. Avoid alerting on transient, expected probabilistic failures like potentially low-confidence model outputs to avoid unnecessary operational noise and wasted monitoring and alerting time.

Question 23

What runbook steps resolve stuck, looping or duplicated agent workflow runs?

Accepted Answer

The standard runbook fix for stuck, looping or duplicated agent workflow runs begins with validating stored workflow state in durable execution layers. Next, inspect for unhandled external call timeouts, stuck concurrency locks or duplicate trigger events, then reset or terminate any identified problematic workflow runs as needed per runbook guidance. Avoid overwriting durable execution state without first confirming the exact root cause of the observed workflow disruption before taking action.

Question 24

How do I handle rate limits from model and tool providers for agent workflows?

Accepted Answer

The recommended first step for handling external model and tool provider rate limits in agent workflows is to use tailored built-in backpressure and retry logic. Cache repeated tool or model calls where possible, queue excess runs to process once rate limits reset rather than failing immediately. Avoid ignoring these rate limits, as this can lead to temporary provider restrictions for your workload, and avoid overstating full avoidance of such issues.

Question 25

How do I run post-incident reviews for probabilistic agent workflow failures?

Accepted Answer

Effective post-incident reviews for probabilistic agent workflow failures start with targeted root cause separation and clear categorization. First, separate deterministic root causes from probabilistic ones, document variability in key probabilistic steps such as model outputs, track consistent repeat failure patterns, and refine guardrails or retry logic to reduce future recurrence. Do not assign blame solely to probabilistic model behavior without first validating underlying workflow configuration gaps.

Question 26

How should I define service objectives for agent workloads with probabilistic steps?

Accepted Answer

A recommended first step for defining service objectives for agent workloads with probabilistic steps is separating deterministic and probabilistic workstreams. Next, map clear, specific success criteria to each deterministic workstream first, then set key outcome-focused targets for probabilistic phases such as model inference runs. It is important to note that durable execution does not provide exactly-once delivery, so avoid tying core service objectives to single model inference attempts on their own.

Question 27

What critical signals should I alert on for agentic durable execution workloads?

Accepted Answer

Prioritize high-impact signals that disrupt workflow progress over trivial transient errors for agentic durable execution workload alerts on agent platforms. Track stuck workflow runs, duplicated execution instances, and breached concurrency limits as your core alert triggers. Remember that observability data for durable execution is not an official audit record, so avoid using these alerts solely for formal compliance audit and reporting purposes.

Question 28

What runbook steps resolve stuck, looping or duplicated agent execution runs?

Accepted Answer

The core initial step to resolve stuck, looping or duplicated agent execution runs on agent platforms is validating workflow state against durable execution records to confirm the root cause. For stuck runs, check for unhandled tool or model timeouts; for duplicated runs, review concurrency control configurations. It is critical to note that containment steps for duplicated runs do not prevent future instances without additional guardrails, as containment is not prevention.

Question 29

How do I configure concurrency limits and backpressure for agent workloads?

Accepted Answer

Properly configuring concurrency limits and backpressure for agent workloads starts with aligning limits to both your agent platform’s capacity and external provider rate limits. Next, implement backpressure at the execution layer to queue excess work rather than dropping requests outright. Note that durable execution does not offer exactly-once delivery assurances, so backpressure will not fully remove duplicate run risks across all scenarios.

Question 30

How should I manage rate limits from external model and tool providers?

Accepted Answer

You can effectively manage external model and tool provider rate limits with a targeted, service-aligned approach. Implement client-side rate limiting tied to each provider’s official quotas, queue excess requests within durable execution workflows for agent platforms, and add service-tailored exponential backoff fallback retry logic. Note that observability data for agent runs is not an official audit record, so you must add appropriate compliance tagging to all collected rate limit logs.

Question 31

How do I run post-incident reviews for probabilistic agent execution failures?

Accepted Answer

Effective post-incident reviews for probabilistic agent execution failures follow a structured, categorized approach. Begin by separating deterministic workflow errors from probabilistic failures like model hallucinations or transient tool errors for agent platforms, then quantify the incident’s overall impact and identify gaps in guardrails for non-deterministic workflow steps. Remember that containment for these failures does not prevent all future instances, as model behavior can vary unpredictably.

Question 32

How can I validate my agent’s probabilistic work meets established service objectives?

Accepted Answer

You can validate your probabilistic agent’s work against established service objectives using targeted scenario-based testing. Run carefully curated test suites that simulate varied model outputs and tool interactions, then compare outcomes against pre-defined success criteria, track both happy path and edge cases to confirm proper alignment. This testing does not cover every unforeseen probabilistic edge scenario, as it cannot account for all unplanned real-world variability that may arise during deployment.

Question 33

What steps can I take to debug stuck or looping agent runs on Catalyst?

Accepted Answer

You can troubleshoot stuck or looping Catalyst agent runs using targeted observability checks and runbook steps. First review execution logs for unhandled tool errors or model timeouts, then check durable execution state tracking to confirm pending work items. Validate concurrency limits and retry policies to rule out configuration issues. Note that some transient probabilistic delays may be mistaken for looping runs.

Question 34

How do I manage rate limits from model and tool providers for agent workloads?

Accepted Answer

You can manage external provider rate limits for agent runs using configurable backpressure and retry logic. Integrate rate limit tracking directly into your agent execution workflow, and adjust concurrency limits to align with provider quotas. Use buffered queues to smooth traffic spikes and avoid abrupt failures. Keep in mind that this setup does not override hard provider rate limits, only mitigates their impact.

Question 35

What steps should I take to monitor and resolve growing agent execution queues?

Accepted Answer

You can monitor and resolve growing agent execution queues using targeted observability and backpressure controls. Track queue depth and processing rate via built-in execution metrics, then adjust concurrency limits or add temporary capacity to reduce backlog. Route high-priority work first to minimize impact on critical workloads. Note that unaddressed queue growth may still lead to delayed runs without proactive tuning.

Question 36

What first checks should an on-call engineer perform for agent platform incidents?

Accepted Answer

An on-call engineer should start with core execution health checks when responding to agent platform incidents. First verify durable execution state tracking to confirm active runs and failed work items, then check model and tool provider availability. Review recent configuration changes to identify potential root causes. Keep in mind that some transient issues may resolve on their own without immediate intervention.

Question 37

What steps are involved in post-incident reviews for probabilistic agent run failures?

Accepted Answer

You can conduct effective post-incident reviews for probabilistic agent run failures with a structured, collaborative workflow. First separate deterministic configuration issues from probabilistic model or tool variability, document both observed outcomes and full operational context, then gather cross-functional team input to surface, evaluate and prioritize actionable improvements. Keep in mind that some probabilistic failures may lack clear root causes, requiring sustained ongoing monitoring rather than rushed, immediate fixes.

Question 38

How do I assess if Catalyst fits mixed deterministic and probabilistic agent work?

Accepted Answer

You can validate Catalyst’s fit for your mixed deterministic and probabilistic agent workloads with key targeted steps. First, map your agent workloads’ deterministic and probabilistic execution boundaries. It builds on Dapr, supporting both workflow types with durable execution that handles retries and partial failures, plus you’ll validate integration with existing tool and model provider setups. Note durable execution does not eliminate duplicate run risk, so design your workflows for idempotency.

Question 39

What key architectural differences separate agentic durable execution tools?

Accepted Answer

Start with your team’s core agent workflow requirements when comparing agentic durable execution tools. Key architectural distinctions include support for mixed deterministic and probabilistic work, native Dapr integration, built-in concurrency controls, differing priorities between compliance logging and streamlined operational workflows, and some platforms prioritizing compliance logging. Note that observability data is not a formal audit record, so you will need to plan for supplementary logging to complement your monitoring setup.

Question 40

What factors should I use to compare Catalyst to other durable execution platforms?

Accepted Answer

Start your comparison of Catalyst to other durable execution platforms by aligning key comparison factors to your team’s unique agent workload and operational needs. Catalyst integrates with Dapr to support both deterministic and probabilistic work, includes built-in tool and model provider hooks, and natively handles agentic workflows without custom layer builds. Finally, note that durable execution does not enforce exactly-once delivery across all scenarios, so design your workflows for idempotency.

Question 41

What procurement considerations matter for agentic durable execution tools?

Accepted Answer

Prioritize procurement factors aligned with your team’s long-term scaling and compliance goals when selecting an agentic durable execution tool. Look for platforms that support mixed workflow types, integrate with your existing toolchain, offer clear operational support pathways, and ensure their architecture fits your team’s established DevOps practices. Remember that containment does not prevent external tool rate limit impacts, so plan targeted fallback measures to address these potential disruptions.

Question 42

How do I validate a platform’s reliability for production agentic work?

Accepted Answer

Start by testing the platform against your team’s most complex agent workload scenarios first. Validate handling of stuck, looping, or duplicated runs, concurrency limits, and model/tool provider rate limit responses. Review built-in runbook support and escalation pathways for on-call teams. Note that durable execution does not offer exactly-once delivery semantics under common deployment configurations, so design workloads to handle duplicate runs.

Question 43

What architectural tradeoffs exist for agentic durable execution platforms?

Accepted Answer

Prioritize architectural tradeoffs for agentic durable execution platforms that align with your team’s operational and compliance requirements first. Balance support for diverse workflow types, robust toolchain integration, and key built-in reliability features like backpressure and concurrency controls, while ensuring direct alignment with your existing DevOps and monitoring workflows. Remember that containment does not prevent all external tool errors, so build critical targeted fallback logic into your operational stack.

Question 44

How do I resolve stuck, looping, or duplicated agent runs in production?

Accepted Answer

Start runbook triage for stuck, looping, or duplicated agent runs by first checking execution state records and concurrency locks. Catalyst surfaces unacknowledged tool calls, stuck workflow steps, and duplicate execution IDs via its built-in observability layer; teams can reset stuck steps or throttle concurrent runs to resolve loops, while deduplication logic flags and suppresses redundant submissions. Note that Catalyst does not automatically resolve probabilistic tool rate limit errors that trigger repeated failed execution loops.

Question 45

How do I escalate incidents between agent and platform teams for Catalyst deployments?

Accepted Answer

Start with a shared, documented escalation playbook aligned to Catalyst’s operational boundaries. Map incident severity tiers to specific team contacts, with clear handoff criteria for when agent-specific logic failures shift to platform execution support. Include trigger points for cross-team syncs to validate probabilistic workflow state and resolve execution bottlenecks. Note that this framework does not override pre-defined team ownership of probabilistic workflow error resolution.

Day-2 Operations & Reliability