Stephan Ewen
@stephanewen.bsky.social
Building distributed systems and data infra.
Previously co-creator of Apache Flink (https://flink.apache.org/),
now building Restate (https://restate.dev/) to make distributed apps more easily resilient and scalable.
Previously co-creator of Apache Flink (https://flink.apache.org/),
now building Restate (https://restate.dev/) to make distributed apps more easily resilient and scalable.
Reposted by Stephan Ewen
Coming up in @restate.dev 1.3: Implement scatter/gather scenarios with ease, while keeping your application resilient to failures! Those sub tasks can fail, the orchestrator itself can fail, and yet this code will run to completion thanks to Restate "run to completion" semantics.
April 7, 2025 at 7:10 PM
Coming up in @restate.dev 1.3: Implement scatter/gather scenarios with ease, while keeping your application resilient to failures! Those sub tasks can fail, the orchestrator itself can fail, and yet this code will run to completion thanks to Restate "run to completion" semantics.
Reposted by Stephan Ewen
Exploring @restate.dev as a replacement for some long-running, complex, asynchronous orchestrators currently implemented in Step Functions. This 2023 post resonates hard. Lambda chain -> Step Functions is an increasingly common migration but comes up short vs RPC/ECS restate.dev/blog/we-repl...
March 26, 2025 at 6:10 PM
Exploring @restate.dev as a replacement for some long-running, complex, asynchronous orchestrators currently implemented in Step Functions. This 2023 post resonates hard. Lambda chain -> Step Functions is an increasingly common migration but comes up short vs RPC/ECS restate.dev/blog/we-repl...
Wow, what a blast from the past.
Thank you for bringing that back 🙂
This is from a talk "All roads lead to Rome" - hence the helmets.
Thank you for bringing that back 🙂
This is from a talk "All roads lead to Rome" - hence the helmets.
Technical/history trivia question.
Who are these people and what are they saying?
Some of you will know instantly.
@mainec.bsky.social @ellen-friedman.bsky.social @stephanewen.bsky.social @mersault.bsky.social
Who are these people and what are they saying?
Some of you will know instantly.
@mainec.bsky.social @ellen-friedman.bsky.social @stephanewen.bsky.social @mersault.bsky.social
March 25, 2025 at 10:28 PM
Wow, what a blast from the past.
Thank you for bringing that back 🙂
This is from a talk "All roads lead to Rome" - hence the helmets.
Thank you for bringing that back 🙂
This is from a talk "All roads lead to Rome" - hence the helmets.
Is this where we currently are?
March 13, 2025 at 2:40 PM
Is this where we currently are?
Reposted by Stephan Ewen
Restate is one of the coolest pieces of software I've encountered in quite awhile. Not often a tiny, well-crafted application comes along that forces you to fundamentally rethink software design.
Restate 1.2: a distributed durable execution engine, built from first principles
Restate 1.2 adds highly-available, distributed deployments and a graphical UI.
restate.dev
February 18, 2025 at 8:30 PM
Restate is one of the coolest pieces of software I've encountered in quite awhile. Not often a tiny, well-crafted application comes along that forces you to fundamentally rethink software design.
Reposted by Stephan Ewen
This post from @stephanewen.bsky.social is *really* thought provoking. Their architecture seems to unify both database and stream processing architecture into one thing.
I'm not totally sure what the implications of this are yet, but it seems important.
I'm not totally sure what the implications of this are yet, but it seems important.
The Anatomy of a Durable Execution Stack from First Principles
The architecture of Restate, a Durable Execution engine built from the ground up.
restate.dev
February 27, 2025 at 5:31 PM
This post from @stephanewen.bsky.social is *really* thought provoking. Their architecture seems to unify both database and stream processing architecture into one thing.
I'm not totally sure what the implications of this are yet, but it seems important.
I'm not totally sure what the implications of this are yet, but it seems important.
Reposted by Stephan Ewen
It’s really impressive! I almost went down the path of building a stateful functions implementation in Rust but discovered how much scaffolding was required to be useful. Really happy to see you all have put those pieces together with Restate!
January 27, 2025 at 1:38 PM
It’s really impressive! I almost went down the path of building a stateful functions implementation in Rust but discovered how much scaffolding was required to be useful. Really happy to see you all have put those pieces together with Restate!
Reposted by Stephan Ewen
Restate is much simpler than Flink, however, grasping what it does isn't straight forward given how differently it works. This tutorial is fantastic and worth the time:
A Gentle Introduction To Restate
YouTube video by Ahmed Farghal
www.youtube.com
January 26, 2025 at 8:49 PM
Restate is much simpler than Flink, however, grasping what it does isn't straight forward given how differently it works. This tutorial is fantastic and worth the time:
Reposted by Stephan Ewen
Regarding Restate and its distributed log, many people talk about Delos but Apache BookKeeper is also highly relevant/similar, so I like to remind people that it also exists! I've written extensively about how BookKeeper works if you're interested:
1\ medium.com/splunk-maas/...
1\ medium.com/splunk-maas/...
Apache BookKeeper Insights Part 1 — External Consensus and Dynamic Membership
Series Introduction
medium.com
January 25, 2025 at 8:28 AM
Regarding Restate and its distributed log, many people talk about Delos but Apache BookKeeper is also highly relevant/similar, so I like to remind people that it also exists! I've written extensively about how BookKeeper works if you're interested:
1\ medium.com/splunk-maas/...
1\ medium.com/splunk-maas/...
Reposted by Stephan Ewen
Great stuff. I'm watching the durable execution space closely and personally I'm quite bullish on it. I'll be writing my own thoughts on durable execution soon.
𝐄𝐯𝐞𝐫𝐲 𝐒𝐲𝐬𝐭𝐞𝐦 𝐢𝐬 𝐚 𝐋𝐨𝐠
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
Every System is a Log: Avoiding coordination in distributed applications
Distributed coordination makes application complex and brittle. Because all systems eventually build on logs, we can use a shared-log approach to eliminate most coordination. We discuss this conceptua...
restate.dev
January 24, 2025 at 4:58 PM
Great stuff. I'm watching the durable execution space closely and personally I'm quite bullish on it. I'll be writing my own thoughts on durable execution soon.
Reposted by Stephan Ewen
𝐄𝐯𝐞𝐫𝐲 𝐒𝐲𝐬𝐭𝐞𝐦 𝐢𝐬 𝐚 𝐋𝐨𝐠
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
Every System is a Log: Avoiding coordination in distributed applications
Distributed coordination makes application complex and brittle. Because all systems eventually build on logs, we can use a shared-log approach to eliminate most coordination. We discuss this conceptua...
restate.dev
January 24, 2025 at 1:15 PM
𝐄𝐯𝐞𝐫𝐲 𝐒𝐲𝐬𝐭𝐞𝐦 𝐢𝐬 𝐚 𝐋𝐨𝐠
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
𝐄𝐯𝐞𝐫𝐲 𝐒𝐲𝐬𝐭𝐞𝐦 𝐢𝐬 𝐚 𝐋𝐨𝐠
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
Every System is a Log: Avoiding coordination in distributed applications
Distributed coordination makes application complex and brittle. Because all systems eventually build on logs, we can use a shared-log approach to eliminate most coordination. We discuss this conceptua...
restate.dev
January 24, 2025 at 1:15 PM
𝐄𝐯𝐞𝐫𝐲 𝐒𝐲𝐬𝐭𝐞𝐦 𝐢𝐬 𝐚 𝐋𝐨𝐠
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
Here is an idea on how to drastically 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐚𝐧𝐝 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐨𝐧 in distributed apps.
A fun way to look at this is similar to the idea of Turning the Database Inside Out - like Turning the Microservice Inside Out.
restate.dev/blog/every-s...
👇
This is why we are building software and open-source communities. To get such messages from users, the best possible reward.
Kudos to the entire @restatedev.bsky.social team.
Kudos to the entire @restatedev.bsky.social team.
January 23, 2025 at 11:51 AM
This is why we are building software and open-source communities. To get such messages from users, the best possible reward.
Kudos to the entire @restatedev.bsky.social team.
Kudos to the entire @restatedev.bsky.social team.
My first post on @bsky.app - let's go!
First peek at distributed @restatedev.bsky.social: a database for durable execution.
Distributed setups scale, improve failover, and trade the dependency on persistent disk (eg EBS) with an S3 dependency. Restate replicates events internally to bridge S3's latency gap.
👇
restate.dev/blog/distrib...
Distributed setups scale, improve failover, and trade the dependency on persistent disk (eg EBS) with an S3 dependency. Restate replicates events internally to bridge S3's latency gap.
👇
restate.dev/blog/distrib...
Distributed Restate - A first look
A first look at distributed highly-available deployments of Restate and the architecture that supports those. We demonstate this through a geo-distributed active/active setup executing an order-proces...
restate.dev
December 6, 2024 at 3:15 PM
My first post on @bsky.app - let's go!
First peek at distributed @restatedev.bsky.social: a database for durable execution.
Distributed setups scale, improve failover, and trade the dependency on persistent disk (eg EBS) with an S3 dependency. Restate replicates events internally to bridge S3's latency gap.
👇
restate.dev/blog/distrib...
Distributed setups scale, improve failover, and trade the dependency on persistent disk (eg EBS) with an S3 dependency. Restate replicates events internally to bridge S3's latency gap.
👇
restate.dev/blog/distrib...
Distributed Restate - A first look
A first look at distributed highly-available deployments of Restate and the architecture that supports those. We demonstate this through a geo-distributed active/active setup executing an order-proces...
restate.dev
December 6, 2024 at 3:13 PM
First peek at distributed @restatedev.bsky.social: a database for durable execution.
Distributed setups scale, improve failover, and trade the dependency on persistent disk (eg EBS) with an S3 dependency. Restate replicates events internally to bridge S3's latency gap.
👇
restate.dev/blog/distrib...
Distributed setups scale, improve failover, and trade the dependency on persistent disk (eg EBS) with an S3 dependency. Restate replicates events internally to bridge S3's latency gap.
👇
restate.dev/blog/distrib...
Reposted by Stephan Ewen
The unofficial GIF-based pandas library documentation.
pandas.DataFrame.rolling
pandas.DataFrame.rolling
a panda bear is laying down in the grass .
Alt: a panda bear is rolling down in the grass. It's a side-ways roll, hlding some type of object. I give 10/10.
media.tenor.com
November 27, 2024 at 2:38 PM
The unofficial GIF-based pandas library documentation.
pandas.DataFrame.rolling
pandas.DataFrame.rolling