Data enthusiast, father, bookworm. Views are my own.
Joined November 2008
- Tweets 956
- Following 452
- Followers 169
- Likes 226
51 Photos and videos
Managed to spot the ClickHouse billboard at Shibuya Crossing last night! #SpottedClickHouse @clickhouse-jp #clickhouse-japan
1
47
Hellmar_Becker retweeted
25 Nov 2025
Today is the 25.11 release & community call.
Feature overview, live demos, Q&A.
Will you be there?
clickhouse.com/company/event…
2
2
11
1,403
Hellmar_Becker retweeted
27 Oct 2025
At Netflix, scale drives everything.
Their logging system ingests 5 PB/day, averaging 10M events/sec across 40K microservices to serve 300M subscribers.
See how they did it with some key optimizations in fingerprinting, serialization, and queries.
54
247
2,947
11,821,532
25 Aug 2025
100
Hellmar_Becker retweeted
15 Aug 2025
Real-time analytics just got easier. The fully managed @ClickHouseDB sink connector is now generally available on Confluent Cloud. It’s now simpler than ever to stream data from Apache Kafka® directly into ClickHouse.
Read how it works -> cnfl.io/4oS6FvY
3
5
21
4,945
Hellmar_Becker retweeted
13 Mar 2025
CTO of @ClickHouseDB Alexey Milovidov, shows a mind blowing demo of air traffic telemetry indexed in ClickHouse. 150B records and immersive UI to explore it. This is only possible in ClickHouse. adsb.exposed ✈️
1
5
14
1,096
9 Mar 2025
New blog about visitor segmentation in @ClickHouseDB with theta sketches is out. Link in the reply below
1
34
Hellmar_Becker retweeted
5 Feb 2025
New distributed systems protocol write-up!
Virtual Consensus (Delos) heavily inspired the new architecture in Confluent’s Kora engine, powering Freight Clusters. This write-up dives into Virtual Consensus in Delos paper and why it makes sense as the default log replication protocol in the era of object storage and hybrid environments.
jack-vanlightly.com/blog/202…
2
27
107
14,732
16 Jan 2025
Call for Speakers for DDD Europe, EventCentric, Data Mesh Live - 2025 is open on Sessionize and I've just submitted a session! sessionize.com/aardling2025/
13
12 Jan 2025
How to aggregate timeseries data in @ClickHouseDB, keeping the latest values per interval
blog.hellmar-becker.de/2025/… #clickhouse #sql #analytics #rollup
48
5 Jan 2025
3
69
13 Oct 2024
See you on Oct 22!
10 Oct 2024
Attention @Druidio & @ApacheKafka enthusiasts in the Munich area!
Our event, "Streamline Your Data w/ #Kafka & #Druid: Achieve Real-Time Insights" is Oct 22 w/ @Implydata's @Hellmar_Becker & @Reply_DE's Majid Azimi, hosted by Reply.
Register for free: bit.ly/3XOTMWM
1
54
Hellmar_Becker retweeted
1 Oct 2024
October 17, Zurich, Switzerland:
Streaming Analytics Stack: @apachekafka & @Implydata / @druidio for Time-series data at @Swisscom, with Imply's @Hellmar_Becker: bit.ly/4gGC00n
2
178
Hellmar_Becker retweeted
10 Jul 2024
TIL how to access secrets stored in 1Password from CLI scripts, e.g. to populate an environment variable using an API key stashed in my password manager
til.simonwillison.net/macos/…
7
14
207
36,168
Hellmar_Becker retweeted
13 Jun 2024
"Unlocking the Power of #IoT: A comprehensive approach to real-time insights featuring @Nestle," with @confluentinc, @awscloud, @Reply_UK / @Reply_DE, and @implydata
@Hellmar_Becker
bit.ly/4b3WpK5
2
209
31 May 2024
Call for Presentations for Flink Forward Berlin 2024 is open on Sessionize and I've just submitted a session! sessionize.com/flink-forward…
40
Hellmar_Becker retweeted
30 Apr 2024
"Let's Do Data Lineage in @apachekafka, @ApacheFlink and @Druidio!"
June 10 at #bbuzz with @Hellmar_Becker: bit.ly/3xVJbA3
2
1
144
Hellmar_Becker retweeted
29 Feb 2024
Meetup Alert! Join Hellmar Becker & Thomas Iffland in Frankfurt on Thursday, Mar 7th for an Apache Kafka® meetup hosted by @ThinkportGmbH! If you are in Frankfurt, this will be a meetup you won’t want to miss!
meetup.com/frankfurt-apache-…
1
3
992