Peter Zaitsev
@peterzaitsev.bsky.social
Founder at Percona, Altinity, FerretDB,Coroot - Open Source, Data, Observability: Entrepreneur, Investor, Advisor, Author, Speaker
Come be part of PG Armenia x Percona University in Yerevan on Thursday, August 28. We have an amazing speaker lineup. Meet people, trade ideas, and leave smarter. The event is free!!
Register:
percona.university/event/percon...
#PerconaUniversity #PGArmenia #OpenSource
Register:
percona.university/event/percon...
#PerconaUniversity #PGArmenia #OpenSource
August 15, 2025 at 7:16 PM
Come be part of PG Armenia x Percona University in Yerevan on Thursday, August 28. We have an amazing speaker lineup. Meet people, trade ideas, and leave smarter. The event is free!!
Register:
percona.university/event/percon...
#PerconaUniversity #PGArmenia #OpenSource
Register:
percona.university/event/percon...
#PerconaUniversity #PGArmenia #OpenSource
Come to PG Armenia x Percona University in Yerevan on Aug 28 to hear Alexander Zaitsev on Building Real-Time Data Lake with ClickHouse and Altinity Antalya. Attendance is Free!
For registration and details: percona.university/event/percon...
#PerconaUniversity #PGArmenia #ClickHouse #OpenSource
For registration and details: percona.university/event/percon...
#PerconaUniversity #PGArmenia #ClickHouse #OpenSource
August 14, 2025 at 2:07 PM
Come to PG Armenia x Percona University in Yerevan on Aug 28 to hear Alexander Zaitsev on Building Real-Time Data Lake with ClickHouse and Altinity Antalya. Attendance is Free!
For registration and details: percona.university/event/percon...
#PerconaUniversity #PGArmenia #ClickHouse #OpenSource
For registration and details: percona.university/event/percon...
#PerconaUniversity #PGArmenia #ClickHouse #OpenSource
Whatever it is Self Hosted, Community Hosted or something else there should not be a single choice provided by single monopoly-enterprise www.drewlyton.com/story/the-fu...
The Future is NOT Self-Hosted
Hey friends 👋,
A few months ago, Amazon announced that Kindle users would no longer be able to download and back up their book libraries to their computers. Thankfully, I still have access to my libr...
www.drewlyton.com
July 28, 2025 at 9:23 AM
Whatever it is Self Hosted, Community Hosted or something else there should not be a single choice provided by single monopoly-enterprise www.drewlyton.com/story/the-fu...
Tabs vs Spaces - where do different languages stand xn--gckvb8fzb.com/tabs-vs-spac...
Tabs vs. Spaces: The War Is Over
The great indentation war is over and it seems like we have a clear winner.
xn--gckvb8fzb.com
July 28, 2025 at 9:22 AM
Tabs vs Spaces - where do different languages stand xn--gckvb8fzb.com/tabs-vs-spac...
Looking scale #prometheus consider VictoriaMetrics www.pingcap.com/blog/tidb-ob...
TiDB Observability: Moving from Prometheus to VictoriaMetrics
Explore why TiDB migrated to VictoriaMetrics for enhanced observability, better resource utilization, and faster query performance.
www.pingcap.com
July 28, 2025 at 9:20 AM
Looking scale #prometheus consider VictoriaMetrics www.pingcap.com/blog/tidb-ob...
Yeah, push of some vendors to use their app rather than having web site work really well on mobile is common idiallo.com/blog/dont-do...
Do not download the app, use the website
The 2010s was the Wild West of the mobile world. "Mobile-first" was the buzzword, much like "AI-first" is today. Every company, from the biggest social media giants to your local pizza parlor, seemed
idiallo.com
July 28, 2025 at 9:19 AM
Yeah, push of some vendors to use their app rather than having web site work really well on mobile is common idiallo.com/blog/dont-do...
This is interesting - rethinking how processing works indeed can open new frontiers of efficiency morethanmoore.substack.com/p/efficient-...
Efficient Computer's Electron E1 CPU
100x More Efficient than Arm?
morethanmoore.substack.com
July 28, 2025 at 9:18 AM
This is interesting - rethinking how processing works indeed can open new frontiers of efficiency morethanmoore.substack.com/p/efficient-...
Interesting post on how ClickHouse deals with efficient updates which is classically not an easy problem for column store clickhouse.com/blog/updates...
How we built fast UPDATEs for the ClickHouse column store – Part 2: SQL-style UPDATEs
ClickHouse can do fast, declarative UPDATEs. Patch parts make it possible, with minimal I/O, instant query visibility, and high parallelism. This post breaks down the mechanics that make it all work.
clickhouse.com
July 28, 2025 at 9:16 AM
Interesting post on how ClickHouse deals with efficient updates which is classically not an easy problem for column store clickhouse.com/blog/updates...
Daniil Bazhenov from Percona shows how to install Coroot with #ArgoCD for awesome #observability percona.community/blog/2025/07...
GitOps Journey: Part 4 – Observability and Monitoring with Coroot in Kubernetes
Our PostgreSQL cluster is running, and the demo app is generating traffic — but we have no visibility into the health of the Kubernetes cluster, services, or applications.
What happens when disk space...
percona.community
July 28, 2025 at 9:15 AM
Daniil Bazhenov from Percona shows how to install Coroot with #ArgoCD for awesome #observability percona.community/blog/2025/07...
PogoCache positions itself as even faster Redis alternative and unlike Dragonfly comes with #opensource license github.com/tidwall/pogo... Anyone tried it yet ?
GitHub - tidwall/pogocache: Fast caching software with a focus on low latency and cpu efficiency.
Fast caching software with a focus on low latency and cpu efficiency. - tidwall/pogocache
github.com
July 28, 2025 at 9:14 AM
PogoCache positions itself as even faster Redis alternative and unlike Dragonfly comes with #opensource license github.com/tidwall/pogo... Anyone tried it yet ?
AI Powered Root Cause Analyses (RCA) is all the rage those days, but how can it be architected ? Coroot founder Nikolay Sivko explains coroot.com/blog/anatomy...
Anatomy of AI-powered Root Cause Analysis
Explore the strengths and limitations of AI-powered root cause analysis in observability. Learn why combining complete telemetry with context-aware AI is the key to finding real answers
coroot.com
July 25, 2025 at 12:15 PM
AI Powered Root Cause Analyses (RCA) is all the rage those days, but how can it be architected ? Coroot founder Nikolay Sivko explains coroot.com/blog/anatomy...
FerretDB gets more secure with HashiCorp #vault support blog.ferretdb.io/dynamic-data...
Dynamic Database Credentials with HashiCorp Vault and FerretDB | FerretDB Blog
Learn how to integrate HashiCorp Vault's database secrets engine with FerretDB to generate dynamic credentials for enhanced security and management.
blog.ferretdb.io
July 25, 2025 at 12:14 PM
FerretDB gets more secure with HashiCorp #vault support blog.ferretdb.io/dynamic-data...
Interesting update on what has been going with Godot - #opensource Unity alternative www.gamesindustry.biz/two-years-af...
Two years after the Unity controversy, how are things going with Godot?
Two years ago, Unity's missteps prompted a wave of interest in the open-source Godot engine. Here's what happened next.
www.gamesindustry.biz
July 21, 2025 at 11:26 AM
Interesting update on what has been going with Godot - #opensource Unity alternative www.gamesindustry.biz/two-years-af...
One of the classical tricks you can use for Clickhouse query optimization - keep the data which is often accessed together, located close signoz.io/blog/query-p...
How we made ClickHouse log queries 99.5% faster with resource fingerprinting
Learn how SigNoz achieved 99.5% query performance improvement using hierarchical resource fingerprinting for ClickHouse sparse indexing.
signoz.io
July 21, 2025 at 11:25 AM
One of the classical tricks you can use for Clickhouse query optimization - keep the data which is often accessed together, located close signoz.io/blog/query-p...
In the search for truly Open social media... techcrunch.com/2025/07/16/j...
Jack Dorsey pumps $10M into a nonprofit focused on open source social media | TechCrunch
Dorsey's initial investment has gotten the new nonprofit "andOtherStuff" up and running, and he worked on some of its initial iOS apps.
techcrunch.com
July 21, 2025 at 11:24 AM
In the search for truly Open social media... techcrunch.com/2025/07/16/j...
Interesting read. Not just about what tools may get wrong but about user expectations aicodinghorrors.com
AICodingHorrors | The price of AI-assisted coding, literally!
AI Coding Horrors is a growing collection of real-world disasters caused by AI-assisted coding tools like sky-high bills, leaked secrets, broken apps,..
aicodinghorrors.com
July 21, 2025 at 11:23 AM
Interesting read. Not just about what tools may get wrong but about user expectations aicodinghorrors.com
Nice to see Redka now allowing you to use PostgreSQL as a backend for Redis protocol antonz.org/redka/
Redka: Redis re-implemented with SQL
A Redis-compatible Go server/package with a Postgres or SQLite backend.
antonz.org
July 16, 2025 at 9:04 AM
Nice to see Redka now allowing you to use PostgreSQL as a backend for Redis protocol antonz.org/redka/
Yet another Analytical Databases benchmarks finds #clickhouse to be a leader
github.com/toddstoffel/...
github.com/toddstoffel/...
GitHub - toddstoffel/analytics_benchmark: Benchmark suite for analytical DBs using real-world SQL queries, Docker-based automation, and reproducible tests. Tailored for comparing systems like Apache D...
Benchmark suite for analytical DBs using real-world SQL queries, Docker-based automation, and reproducible tests. Tailored for comparing systems like Apache Doris and ClickHouse with realistic data...
github.com
July 16, 2025 at 9:03 AM
Yet another Analytical Databases benchmarks finds #clickhouse to be a leader
github.com/toddstoffel/...
github.com/toddstoffel/...
If you were curious what will happen to Percona XtraDB Cluster now MariaDB acquired Codership - Galera Cluster - you should no worry, development will continue
www.percona.com/blog/percona...
#percona #mysql
www.percona.com/blog/percona...
#percona #mysql
Percona XtraDB Cluster: Our Commitment to Open Source High Availability
Percona XtraDB Cluster uses an independent Galera version, ensuring ongoing open source innovation and high availability regardless of industry changes.
www.percona.com
June 30, 2025 at 4:10 PM
If you were curious what will happen to Percona XtraDB Cluster now MariaDB acquired Codership - Galera Cluster - you should no worry, development will continue
www.percona.com/blog/percona...
#percona #mysql
www.percona.com/blog/percona...
#percona #mysql
Interesting discussion. I would not single out Microsoft here - any company has to comply with the laws of the country it is registered in. It looks like many Europeans are wondering to what extent US can be seen as country having fair and reasonable laws blog.miloslavhomer.cz/p/microsoft-...
Microsoft Dependency Has Risks
This is not an opinion, this is not an opinion... it's an opinion, isn't it?
blog.miloslavhomer.cz
June 30, 2025 at 4:08 PM
Interesting discussion. I would not single out Microsoft here - any company has to comply with the laws of the country it is registered in. It looks like many Europeans are wondering to what extent US can be seen as country having fair and reasonable laws blog.miloslavhomer.cz/p/microsoft-...
What is your favorite example of "wrong way to use the database" www.luu.io/posts/2025-d...
Wrong ways to use the databases, when the pendulum swung too far | LUU.IO
www.luu.io
June 24, 2025 at 4:39 PM
What is your favorite example of "wrong way to use the database" www.luu.io/posts/2025-d...
Yep, I often mention this growing difference between "corporate open source" and "community open source". Great to see more recognition about this difference, which I think is still understood by way to few #opensource utcc.utoronto.ca/~cks/space/b...
Chris's Wiki :: blog/tech/OpenSourceTwoWorlds
utcc.utoronto.ca
June 24, 2025 at 4:38 PM
Yep, I often mention this growing difference between "corporate open source" and "community open source". Great to see more recognition about this difference, which I think is still understood by way to few #opensource utcc.utoronto.ca/~cks/space/b...
Security, Confidentiality, Compliance will be a big deal for LLMs, though other time I think it can be taught to follow rules better than humans www.theregister.com/2025/06/16/s...
LLM agents flunk CRM and confidentiality tasks
: 6-in-10 success rate for single-step tasks
www.theregister.com
June 18, 2025 at 3:25 PM
Security, Confidentiality, Compliance will be a big deal for LLMs, though other time I think it can be taught to follow rules better than humans www.theregister.com/2025/06/16/s...
Tembo Cloud is Sunsetting so customers need to move their workloads quickly. While I do not know if significant number of customers is impacted such announcements erode trust in small "indie" cloud offerings as they sunset abruptly tembo-io.notion.site/Tembo-Cloud-...
Tembo Cloud Migration Guide | Notion
Timeline
tembo-io.notion.site
June 18, 2025 at 3:23 PM
Tembo Cloud is Sunsetting so customers need to move their workloads quickly. While I do not know if significant number of customers is impacted such announcements erode trust in small "indie" cloud offerings as they sunset abruptly tembo-io.notion.site/Tembo-Cloud-...
