Gunnar Morling 🌍 @gunnarmorling
Software engineer @Decodableco · Ex-lead of Debezium · Spec lead of Bean Validation 2.0 · Creator of JfrUnit, kcctl and MapStruct · Java Champion · 🚴 morling.dev Hamburg, Germany Joined February 2014-
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📝 "Denormalizing Change Event Streams for Document Stores" I wrote a thing! Introducing the ARRAY_AGG() UDF in @Decodableco, for creating derived denormalized views of the data of multiple change event streams 🤓. 👉 dcbl.link/array-agg-1
Can't attend #kafkaSummit #bangalore in person? You're in luck, because we're live-streaming an entire track of #apacheKafka content, and it's completely FREE. Register for your streaming pass today! kafka-summit.org/events/kafka-s…
Making my #1BRC Devoxx UK slides and I got sidetracked. I tried adopting merykitty's temperature parsing to numbers in general... It kind of works (with limitations), but Integer.parseInt() is twice as fast hehe... *facepalm*.
Yo /r/java, get your act together!
Yo /r/java, get your act together!
🤿Dive into the world of Debezium snapshots with @gunnarmorling from @Decodableco. Learn how snapshots and log-based change events work under the hood & how they solve common tasks when running CDC pipelines. Add it your #KafkaSummit agenda now -> cnfl.io/3UaINpL
This was a really good read. Talks to how important it is to understand why you are doing something.
This was a really good read. Talks to how important it is to understand why you are doing something.
We need more articles like this from @Decodableco About everything goes wrong and the fix decodable.co/blog/flink-sql…
👇 How to take your data from an RDBMS like MySQL in real-time into a search index such as OpenSearch, denormalizing it along the way with just a few lines of SQL? Find out in this new post by @gunnarmorling!
👇 How to take your data from an RDBMS like MySQL in real-time into a search index such as OpenSearch, denormalizing it along the way with just a few lines of SQL? Find out in this new post by @gunnarmorling!
Excited to introduce our first speaker for the "Data Streams x ML" event on May 3 in Bangalore: @gunnarmorling! If you're interested in streaming, you simply can't miss Gunnar's talk. Register here: lu.ma/datastreamsxml #realtimeml
👇 ICYMI--The latest edition of "Checkpoint Chronicle" is out, the monthly newsletter by @rmoff and yours truly, collecting the latest links from the data streaming universe 🤓.
👇 ICYMI--The latest edition of "Checkpoint Chronicle" is out, the monthly newsletter by @rmoff and yours truly, collecting the latest links from the data streaming universe 🤓.
Apparently some people are surprised that you can run a 13 year old self-contained Jar on the latest JVM. And thinking about other language ecosystems, it is actually pretty freaking amazing and not something that we talk about enough.
Oh, wow, how cool is that: my recent DB/S3 storage job interview question nerdsniped @vojaydev to write an entire blog post discussing the problem, and how to go about when being asked this, at great length. Thanks a lot! Great read, recommend interested folks to check it out!
Oh, wow, how cool is that: my recent DB/S3 storage job interview question nerdsniped @vojaydev to write an entire blog post discussing the problem, and how to go about when being asked this, at great length. Thanks a lot! Great read, recommend interested folks to check it out!
🚴♀️ Felt like seeing the sea today, so I took the bike and cycled to the sea. Via beautiful Lübeck to Travemünde, my first 100 km trip for the season. Last ten km were a bit of a pain, but feeling definitely in better shape than last year at the same time.
📰 "CheckMate: Evaluating Checkpointing Protocols for Streaming Dataflows" Insightful paper by Siachamis et al., comparing latency, recovery time, etc. of checkpointing approaches: coordinated (as employed by Flink), uncoordinated, communication-induced. arxiv.org/pdf/2403.13629…
Dealing with duplicated outbox events doesn't have to be complex, when the producer provides a sequence value 👇.
Dealing with duplicated outbox events doesn't have to be complex, when the producer provides a sequence value 👇.
"How do you build a service which needs to persist a record in a database and store a corresponding file in S3?"--Someone asked me this, and I think it makes for a great SWE technical interview question. You can discuss design considerations, failure modes, testing, etc.
How many more shapes can the JFR context take? Let's see - jbachorik.github.io/posts/differen… #java #jfr @OpenJDK #observability #performance #profiling
Maciej Walkowiak 🍃 @maciejwalkowiak
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Database Internals Bo.. @therealdatabass
4K Followers 1 Following Database Internals book by @ifesdjeen, published by @OReillyMedia Discord: https://t.co/o1CnTcIX9J Errata: https://t.co/nxjS1MdLBG@novoj @gunnarmorling We get these in the Datadog profiler by instrumenting the Error constructor, they show up as "exception events"
Can't attend #kafkaSummit #bangalore in person? You're in luck, because we're live-streaming an entire track of #apacheKafka content, and it's completely FREE. Register for your streaming pass today! kafka-summit.org/events/kafka-s…
#apacheKafka, #kafkaStreams, #apacheFlink, and #kafkaConnect... there's so many great sessions to take in at #kafkaSummit #bangalore this week. Hear which Diptiman will be attending, then register so you can come say hi! 👋 kafka-summit.org/events/kafka-s…
New @golang video is up- 1 billion rows aggregated in ~2.5 seconds! #1brc 1 BILLION row challenge in Go - 2.5 Seconds! youtu.be/O1IFQav9FQg
Nice that stores into primitive arrays are now automatically combined into larger stores for common patterns (versus requiring non obvious code) github.com/openjdk/jdk/pu…
Making my #1BRC Devoxx UK slides and I got sidetracked. I tried adopting merykitty's temperature parsing to numbers in general... It kind of works (with limitations), but Integer.parseInt() is twice as fast hehe... *facepalm*.
🙇♂️ Humbled and honoured to be part of the fantastic #ApacheKafka #community 🙏 THX to @confluentinc for running this program and featuring this year's cohort of #communityCatalysts 🤩
Meet #ConfluentCatalyst @hpgrahsl! Hans-Peter shared how he got involved in the @apachekafka/@ApacheFlink community, what he enjoys most about being a part of it & advice for new devs. Learn more about our Catalysts of the week→ cnfl.io/3vV53uC
Wooohooo! Next to Hans Peter! Check him out, he rocks!
Even side-by-side with the amazing @FTisiot ... this doesn't happen very often 😎 developer.confluent.io/community/
🤿Dive into the world of Debezium snapshots with @gunnarmorling from @Decodableco. Learn how snapshots and log-based change events work under the hood & how they solve common tasks when running CDC pipelines. Add it your #KafkaSummit agenda now -> cnfl.io/3UaINpL
This was a really good read. Talks to how important it is to understand why you are doing something.
@gunnarmorling This question is really inspiring and excellent for sparking technical discussions during interviews. Therefore, my answer to it escalated a bit 😅. Here are my 2 cents: linkedin.com/pulse/solving-… Enjoy and thank you for the great content!
Last two days I was dealing with a issue that I couldn't just solve. I used a Strimzi Debezium Operator on K8S for doing CDC from MongoDB to Kafka. I've tried everything. I've written also to Debezium. Finally a collegue found the problem.
We need more articles like this from @Decodableco About everything goes wrong and the fix decodable.co/blog/flink-sql…
👇 How to take your data from an RDBMS like MySQL in real-time into a search index such as OpenSearch, denormalizing it along the way with just a few lines of SQL? Find out in this new post by @gunnarmorling!
📝 "Denormalizing Change Event Streams for Document Stores" I wrote a thing! Introducing the ARRAY_AGG() UDF in @Decodableco, for creating derived denormalized views of the data of multiple change event streams 🤓. 👉 dcbl.link/array-agg-1
Tiered storage for Kafka is a classic tarpit idea. It makes all the sense in the world, but it doesn't work in practice. Check out our latest blog post to learn why. warpstream.com/blog/tiered-st…
@gunnarmorling @Decodableco As always great blog post! I can very well see how useful this custom UDF will be for customer projects in the field.
I've just published my first english blog post today. I wanted to post it since 3 years... How Query Rewrite Option for #oracle Materialized Views led to a Performance Nightmare? Is it a bug or a a feature? Happy to get some feedback why this happens😊 👉carokruetzi.hashnode.dev/query-rewrite-…
Excited to introduce our first speaker for the "Data Streams x ML" event on May 3 in Bangalore: @gunnarmorling! If you're interested in streaming, you simply can't miss Gunnar's talk. Register here: lu.ma/datastreamsxml #realtimeml
Hello, #bangalore! The only thing I love more than coffee is interactive coffee. 😅 Thankfully, there's plenty of that here to help me be properly caffeinated for #kafkaSummit later this week. There's still time to register! Use promo code PRMMTP24. kafka-summit.org/events/kafka-s…
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