Question 1

What’s the difference between workflow and conversation agent state?

Accepted Answer

Workflow and conversation agent states serve distinct, non-interchangeable roles in production systems. Workflow execution state tracks deterministic agent steps and progress, with automatic persistence from its execution layer, while conversation state holds user session context and chat history, often needing dedicated session storage, with business data typically stored in separate dedicated stores. Mixing these states can complicate compliance and scaling for production workloads, so keeping them separate is advisable.

Question 2

Will agent session state survive restarts or deployments?

Accepted Answer

Agent’s critical session state will survive restarts, deployments, and regional failures only when stored in a durable, shared datastore. The execution layer automatically persists your agent’s session state to your configured store, as long as the store replicates data across multiple failure domains. Local in-memory storage will lose session state during any infrastructure disruption, so it is not a viable option for production workloads or long-running deployments.

Question 3

What’s the difference between a cache and system of record for agent state?

Accepted Answer

The core difference between a cache and a system of record for agent state is their intended use and data retention practices. A cache temporarily stores agent state to enable fast access, and may automatically evict data to free storage space. A system of record holds immutable, durable state until explicit deletion, supporting compliance and recovery workflows. Using a cache in place of a system of record carries risk of permanent data loss for critical agent operations.

Question 4

What happens with large payloads in agent execution state?

Accepted Answer

Unmanaged large payloads within agent execution states can lead to avoidable performance and operational strain. Many execution layer implementations offload large data to external object storage, retaining only lightweight references in the core execution state to optimize workflow speed and failure recovery efficiency. Failing to use this offloading may result in slower recovery times and elevated operational overhead, with no universal standard for how execution layers handle unoffloaded large payloads.

Question 5

How do permissions interact with immutable agent execution state?

Accepted Answer

Permissions for immutable agent execution state prioritize access control over modification to support critical audit and compliance requirements. These permissions carefully define which users can view existing stored execution records, since the immutable state cannot be altered, edited, or removed at all after it is first formally written. Overly broad permissions can still expose sensitive execution data to unauthorized external and internal users, even for these unchangeable stored records.

Question 6

What questions to ask before using a general datastore for agent state?

Accepted Answer

Teams should ask targeted, relevant questions before using a general-purpose datastore for agent state storage. Key considerations include whether the store supports durable replication, granular access controls, and efficient handling of both small and large state payloads of varying sizes across concurrent workloads. General datastores may lack native support for durable execution state semantics, leading to extra operational work for teams managing their agent state workflows.

Question 7

What’s the difference between workflow execution state and conversation state?

Accepted Answer

Teams must separate workflow execution state from conversation state for production agents. Catalyst persists workflow execution state to track progress, retries, and durable execution context, while conversation session state needs dedicated storage for chat history. Large conversation payloads may require object storage instead of constrained execution stores. Failing to separate this can bloat execution stores and break access control boundaries.

Question 8

How does agent session state survive restarts or regional failures?

Accepted Answer

Production agent session state must persist across restarts, deployments, and regional failures. Catalyst uses configured durable storage to save session context, so pod restarts or zone outages do not erase user conversation history. Teams should avoid in-memory caches for critical session state, as these are lost on process termination. This relies on selecting a persistent store aligned with uptime requirements.

Question 9

How should I select state store types for different parts of my AI agent’s state workloads?

Accepted Answer

You should match your agent’s state store type to the criticality and latency needs of each discrete state workload. For non-critical transient state like intermediate prompt outputs or temporary context snippets, use low-latency caches; for durable, auditable state like completed workflow steps or validated user inputs, use transactional systems of record. Avoid mixing these store types for a single state flow without proper bridging to prevent unintended data inconsistencies.

Question 10

What happens when large payloads are added to agent execution state?

Accepted Answer

Storing large payloads in agent execution state stores can degrade workflow performance and increase overhead. Catalyst may offload large payloads to object storage automatically, or teams can separate large data from core execution state explicitly. Standard execution stores are not optimized for large blobs, so dedicated object storage is often better. Poorly managed large payloads can bloat storage and slow workflow execution.

Question 11

How do permissions interact with immutable agent execution records?

Accepted Answer

Carefully aligned access permissions and write protections are essential for immutable agent execution records. These records cannot be fully altered after being written to local persistent storage, so teams must clearly separate write and read access controls; Catalyst provides base permission guards, but additional store-level access controls may be needed for sensitive workflow-related data. Overly permissive read access can expose critical workflow details to unauthorized external parties within an organization.

Question 12

What questions should I ask before using a general-purpose datastore for agent state?

Accepted Answer

You should vet general-purpose datastores thoroughly before using them for agent state storage. Ask key targeted questions covering support for durable consistent state, large payload handling, granular permission controls, and regional failure resilience. These general-purpose stores often lack native optimizations for durable agent execution workflows, which can lead to inconsistent state and degraded performance when an unoptimized store is chosen without proper review.

Question 13

How do I separate workflow execution state from agent conversation state?

Accepted Answer

You should clearly separate workflow execution state and agent conversation state using dedicated targeted storage approaches. Assign workflow execution state to Catalyst’s integrated durable execution stores that persist critical step data and progress tracking, and conversation state to dedicated session stores that retain chat history or important user context across individual agent turns. Avoid mixing these storage types, as this can potentially break workflow determinism or complicate session cleanup efforts.

Question 14

Will an agent’s conversation session survive a platform restart or deployment?

Accepted Answer

Most durable execution layers like Catalyst preserve agent conversation sessions across key platform restarts and scheduled deployments. These layers replicate active user session state to redundant, geographically dispersed storage locations across multiple availability zones, ensuring continuity even when individual nodes fail or routine deployments take place across your entire cloud infrastructure. You should confirm the detailed session retention policies align with your team’s specific recovery requirements for long-running, high-stakes conversational sessions.

Question 15

How do large payloads affect agent durable execution state storage?

Accepted Answer

Large payloads negatively impact durable execution state storage and critical large-scale workflow performance. They raise critical storage resource demands, slow key state replication across underlying execution layers, and many common platforms enforce payload size limits pushing teams to simply offload large data to external object storage. Failing to offload these payloads may result in delayed workflow steps or failed retries, a common risk tied to unoptimized durable execution workflow setups.

Question 16

What permissions and immutability matter for agent state stores?

Accepted Answer

Properly configured permissions and targeted immutability for agent state stores deliver key security and compliance benefits. Permissions restrict access to sensitive agent state data only for authorized operational teams, while immutability preserves unalterable records to block unauthorized modification of critical workflow data or user conversation history. When combined, these controls help mitigate risks from improper access or tampering. That said, overly strict immutability rules can create unnecessary operational friction by complicating necessary state cleanup for completed sessions.

Question 17

How do I assign the right datastores for each AI agent state category?

Accepted Answer

You should map each distinct AI agent state type to a dedicated datastore aligned with its core purpose. Workflow execution state needs durable, immutable stores for auditability, conversation state uses fast low-latency stores, business data uses dedicated relational or object stores, retrieval corpora use vector stores. Avoid general-purpose datastores without verifying they support your team’s access control and durability needs.

Question 18

When should I use a cache vs a system of record for agent state?

Accepted Answer

You should use a cache for transient, easily regenerated agent state, while critical durable agent state belongs in a system of record. Caches provide fast access to frequently used non-critical data like important recent conversation snippets, while systems of record store immutable, critical state such as workflow execution history or core business data. You should not use a cache as the sole storage for state requiring long-term durability or auditability.

Question 19

How should teams separate agent workflow state from business application data?

Accepted Answer

Teams should separate agent workflow state from business application data by using dedicated durable execution stores for workflow state. Workflow state tracks each individual run’s progress, retries and specific contextual details, while business data refers to core application records such as user profiles, transaction logs or other operational records. General-purpose business storage lacks built-in safeguards tailored to durable execution reliability, so mixing the two can undermine execution consistency.

Question 20

How do vector stores fit into agentic durable execution state storage?

Accepted Answer

Vector stores are most appropriately used for agent retrieval corpora rather than core agentic durable execution state storage for most production deployments. They store embedded contextual data to enable simple, fast, relevant similarity searches during key retrieval workflows to support tailored agent responses, separate from critical formal workflow progress or conversation history. You should avoid using them as a formal system of record, as they lack built-in durable execution safeguards.

State Stores & Persistence