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107 changes: 107 additions & 0 deletions src/content/docs/case-study/temporal.io
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---
title: temporal.io workflow orchestration platform case study
author: Adlan Ilyasov <IlyaAdlan>
tags: temporal, workflow, orchestration, backend, distributed-systems
---

# Temporal.io Case Study: Workflows That Won't Let You Down

## What Even is Temporal?

So I stumbled on Temporal.io while looking for ways to make our backend more reliable - and man, this thing is cool. It's like if your regular backend workflows had a safety net. Originally built by the same folks who made AWS Step Functions, but way more flexible.

Big names like Uber and Netflix use it for important stuff like payments and ride matching. The key thing? Your workflows **never** die, even if servers crash. As someone who's lost sleep over failed transactions, that got my attention.

## A Bit of Backstory

- 2019: Some smart ex-AWS engineers (including Maxim Fateev) built it
- 2021: Went open source which was huge
- 2024: Now has better Python/Go support and plays nice with Kubernetes

## The Good Stuff

Here's why I think Temporal stands out:

### 1. It's Like Time Travel for Your Code
You know when your server crashes mid-process? With Temporal, it picks up right where it left off. No more:
- Duplicate orders
- Half-completed signups
- "Did that payment go through?" moments

### 2. You Can Write Real Code
Unlike AWS Step Functions where you're stuck with JSON configurations, Temporal lets you use actual programming languages:

```python
@workflow.defn
class OrderWorkflow:
async def run(self, order_id: str):
try:
await payment_processing(order_id) # This will retry if fails!
await ship_order(order_id)
except Error as e:
await send_failure_email(order_id)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

## The Beauty of Temporal

The beauty? If the conversion fails at 3AM, Temporal picks it right back up. No more waking up to failed jobs.

## Real-World Use Cases

From what I've seen, Temporal shines for:

### 1. Financial Systems
- Payment processing that can't fail
- Fraud detection pipelines
- Reconciliation jobs

### 2. E-commerce
- Order fulfillment that survives outages
- Inventory management
- Abandoned cart recovery

### 3. DevOps
- Deployment orchestration
- Data pipeline management
- Backup operations

## The Good, The Bad, and The Ugly

### 👍 Why I Like It
- **Reliability**: Stuff actually completes
- **Visibility**: See every workflow's status
- **Flexibility**: Use real code, not just YAML

### 👎 Pain Points
- **Learning Curve**: Took me 2 weekends to get comfortable
- **Operational Overhead**: Need to run the Temporal server
- **Debugging**: Can be tricky when things go wrong

## Alternatives Compared (Chatgpt provided this "graph")

| Tool | Best For | Why Temporal Might Be Better |
|---------------------|---------------------|-------------------------------------|
| AWS Step Functions | AWS shops | More coding flexibility |
| Airflow | Scheduled jobs | Better for real-time ops |
| Celery | Simple tasks | Built-in retries & state |

## Should You Use Temporal? (Based on My Research)

After digging through docs, case studies, and developer forums, here's what I've learned about when Temporal makes sense:

**Consider Temporal when:**
- Your application **can't afford lost workflows** (payments, medical systems, etc.)
- You're currently **writing tons of retry/recovery code** for failed operations
- Your team has **bandwidth to learn** a new paradigm (it's not plug-and-play)

**Probably overkill for:**
- Simple **scheduled tasks** (cron jobs handle these fine)
- Teams without **distributed systems experience** (there's a learning curve)
- Projects where **"good enough" reliability** is acceptable

## Where I Found the Best Info

1. [Temporal Documentation](https://docs.temporal.io/) - The concepts section helped most
2. [Uber's Engineering Blog](https://eng.uber.com/) - Real war stories about why they built it
3. [Community Discussions](https://community.temporal.io/) - Saw actual pain points people hit
4. [ChatGPT] Helped with writing this in a fitting way for Github
107 changes: 107 additions & 0 deletions src/content/docs/temporal.io
Original file line number Diff line number Diff line change
@@ -0,0 +1,107 @@
---
title: temporal.io workflow orchestration platform case study
author: Adlan Ilyasov <IlyaAdlan>
tags: temporal, workflow, orchestration, backend, distributed-systems
---

# Temporal.io Case Study: Workflows That Won't Let You Down

## What Even is Temporal?

So I stumbled on Temporal.io while looking for ways to make our backend more reliable - and man, this thing is cool. It's like if your regular backend workflows had a safety net. Originally built by the same folks who made AWS Step Functions, but way more flexible.

Big names like Uber and Netflix use it for important stuff like payments and ride matching. The key thing? Your workflows **never** die, even if servers crash. As someone who's lost sleep over failed transactions, that got my attention.

## A Bit of Backstory

- 2019: Some smart ex-AWS engineers (including Maxim Fateev) built it
- 2021: Went open source which was huge
- 2024: Now has better Python/Go support and plays nice with Kubernetes

## The Good Stuff

Here's why I think Temporal stands out:

### 1. It's Like Time Travel for Your Code
You know when your server crashes mid-process? With Temporal, it picks up right where it left off. No more:
- Duplicate orders
- Half-completed signups
- "Did that payment go through?" moments

### 2. You Can Write Real Code
Unlike AWS Step Functions where you're stuck with JSON configurations, Temporal lets you use actual programming languages:

```python
@workflow.defn
class OrderWorkflow:
async def run(self, order_id: str):
try:
await payment_processing(order_id) # This will retry if fails!
await ship_order(order_id)
except Error as e:
await send_failure_email(order_id)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

## The Beauty of Temporal

The beauty? If the conversion fails at 3AM, Temporal picks it right back up. No more waking up to failed jobs.

## Real-World Use Cases

From what I've seen, Temporal shines for:

### 1. Financial Systems
- Payment processing that can't fail
- Fraud detection pipelines
- Reconciliation jobs

### 2. E-commerce
- Order fulfillment that survives outages
- Inventory management
- Abandoned cart recovery

### 3. DevOps
- Deployment orchestration
- Data pipeline management
- Backup operations

## The Good, The Bad, and The Ugly

### 👍 Why I Like It
- **Reliability**: Stuff actually completes
- **Visibility**: See every workflow's status
- **Flexibility**: Use real code, not just YAML

### 👎 Pain Points
- **Learning Curve**: Took me 2 weekends to get comfortable
- **Operational Overhead**: Need to run the Temporal server
- **Debugging**: Can be tricky when things go wrong

## Alternatives Compared (Chatgpt provided this "graph")

| Tool | Best For | Why Temporal Might Be Better |
|---------------------|---------------------|-------------------------------------|
| AWS Step Functions | AWS shops | More coding flexibility |
| Airflow | Scheduled jobs | Better for real-time ops |
| Celery | Simple tasks | Built-in retries & state |

## Should You Use Temporal? (Based on My Research)

After digging through docs, case studies, and developer forums, here's what I've learned about when Temporal makes sense:

**Consider Temporal when:**
- Your application **can't afford lost workflows** (payments, medical systems, etc.)
- You're currently **writing tons of retry/recovery code** for failed operations
- Your team has **bandwidth to learn** a new paradigm (it's not plug-and-play)

**Probably overkill for:**
- Simple **scheduled tasks** (cron jobs handle these fine)
- Teams without **distributed systems experience** (there's a learning curve)
- Projects where **"good enough" reliability** is acceptable

## Where I Found the Best Info

1. [Temporal Documentation](https://docs.temporal.io/) - The concepts section helped most
2. [Uber's Engineering Blog](https://eng.uber.com/) - Real war stories about why they built it
3. [Community Discussions](https://community.temporal.io/) - Saw actual pain points people hit
4. [ChatGPT] Helped with writing this in a fitting way for Github