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Peter Zaitsev

@peterzaitsev.bsky.social
400 followers 280 following 92 posts

Founder at Percona, Altinity, FerretDB,Coroot - Open Source, Data, Observability: Entrepreneur, Investor, Advisor, Author, Speaker

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Peter Zaitsev @peterzaitsev.bsky.social · 15/08/2025
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
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Peter Zaitsev @peterzaitsev.bsky.social · 14/08/2025
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
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Peter Zaitsev @peterzaitsev.bsky.social · 28/07/2025
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...
drewlyton.com
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...
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Peter Zaitsev @peterzaitsev.bsky.social · 28/07/2025
Tabs vs Spaces - where do different languages stand xn--gckvb8fzb.com/tabs-vs-spac...
xn--gckvb8fzb.com
Tabs vs. Spaces: The War Is Over
The great indentation war is over and it seems like we have a clear winner.
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Peter Zaitsev @peterzaitsev.bsky.social · 28/07/2025
Looking scale #prometheus consider VictoriaMetrics www.pingcap.com/blog/tidb-ob...
pingcap.com
TiDB Observability: Moving from Prometheus to VictoriaMetrics
Explore why TiDB migrated to VictoriaMetrics for enhanced observability, better resource utilization, and faster query performance.
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Peter Zaitsev @peterzaitsev.bsky.social · 28/07/2025
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...
idiallo.com
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
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Peter Zaitsev @peterzaitsev.bsky.social · 28/07/2025
This is interesting - rethinking how processing works indeed can open new frontiers of efficiency morethanmoore.substack.com/p/efficient-...
morethanmoore.substack.com
Efficient Computer's Electron E1 CPU
100x More Efficient than Arm?
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Peter Zaitsev @peterzaitsev.bsky.social · 28/07/2025
Interesting post on how ClickHouse deals with efficient updates which is classically not an easy problem for column store clickhouse.com/blog/updates...
clickhouse.com
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.
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Peter Zaitsev @peterzaitsev.bsky.social · 28/07/2025
Daniil Bazhenov from Percona shows how to install Coroot with #ArgoCD for awesome #observability percona.community/blog/2025/07...
percona.community
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...
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Peter Zaitsev @peterzaitsev.bsky.social · 28/07/2025
PogoCache positions itself as even faster Redis alternative and unlike Dragonfly comes with #opensource license github.com/tidwall/pogo... Anyone tried it yet ?
github.com
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
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Peter Zaitsev @peterzaitsev.bsky.social · 25/07/2025
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...
coroot.com
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
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Peter Zaitsev @peterzaitsev.bsky.social · 25/07/2025
FerretDB gets more secure with HashiCorp #vault support blog.ferretdb.io/dynamic-data...
blog.ferretdb.io
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.
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Peter Zaitsev @peterzaitsev.bsky.social · 21/07/2025
Interesting update on what has been going with Godot - #opensource Unity alternative www.gamesindustry.biz/two-years-af...
gamesindustry.biz
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.
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Peter Zaitsev @peterzaitsev.bsky.social · 21/07/2025
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...
signoz.io
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.
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Peter Zaitsev @peterzaitsev.bsky.social · 21/07/2025
In the search for truly Open social media... techcrunch.com/2025/07/16/j...
techcrunch.com
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.
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Peter Zaitsev @peterzaitsev.bsky.social · 21/07/2025
Interesting read. Not just about what tools may get wrong but about user expectations aicodinghorrors.com
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,..
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Peter Zaitsev @peterzaitsev.bsky.social · 16/07/2025
Nice to see Redka now allowing you to use PostgreSQL as a backend for Redis protocol antonz.org/redka/
antonz.org
Redka: Redis re-implemented with SQL
A Redis-compatible Go server/package with a Postgres or SQLite backend.
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Peter Zaitsev @peterzaitsev.bsky.social · 16/07/2025
Yet another Analytical Databases benchmarks finds #clickhouse to be a leader github.com/toddstoffel/...
github.com
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...
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Peter Zaitsev @peterzaitsev.bsky.social · 30/06/2025
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
percona.com
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.
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Peter Zaitsev @peterzaitsev.bsky.social · 30/06/2025
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-...
blog.miloslavhomer.cz
Microsoft Dependency Has Risks
This is not an opinion, this is not an opinion... it's an opinion, isn't it?
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Peter Zaitsev @peterzaitsev.bsky.social · 24/06/2025
What is your favorite example of "wrong way to use the database" www.luu.io/posts/2025-d...
luu.io
Wrong ways to use the databases, when the pendulum swung too far | LUU.IO
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Peter Zaitsev @peterzaitsev.bsky.social · 24/06/2025
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...
utcc.utoronto.ca
Chris's Wiki :: blog/tech/OpenSourceTwoWorlds
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Peter Zaitsev @peterzaitsev.bsky.social · 18/06/2025
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...
theregister.com
LLM agents flunk CRM and confidentiality tasks
: 6-in-10 success rate for single-step tasks
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Peter Zaitsev @peterzaitsev.bsky.social · 18/06/2025
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-io.notion.site
Tembo Cloud Migration Guide | Notion
Timeline
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Peter Zaitsev @peterzaitsev.bsky.social · 16/06/2025
Altinity, Inc. makes #iceberg and #parguet fast on #clickhouse altinity.com/blog/the-fut...
altinity.com
The Future Has Arrived: Parquet on Iceberg Finally Outperforms MergeTree
Altinity's Project Antalya brings Iceberg support in ClickHouse to the next level - matching and in some cases outperforming MergeTree, while enabling cheap object storage and scalable, shared data sy...
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Peter Zaitsev @peterzaitsev.bsky.social · 16/06/2025
How OpenAI runs #postgres at their scale www.pixelstech.net/article/1747...
pixelstech.net
OpenAI: Scaling PostgreSQL to the Next Level
At the PGConf.dev 2025 Global Developer Conference, Bohan Zhang from OpenAI shared OpenAI’s best practices with PostgreSQL, offering a glimpse into the database usage of one of the most prominen
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Peter Zaitsev @peterzaitsev.bsky.social · 11/06/2025
Interest technical details of sneaky tracking www.zeropartydata.es/p/localhost-...
zeropartydata.es
“Localhost tracking” explained. It could cost Meta 32 billion.
You just can't finish off Zuckerberg.
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Peter Zaitsev @peterzaitsev.bsky.social · 11/06/2025
PGActive - Open Source Active-Active replication for PostgreSQL from AWS github.com/aws/pgactive - Any thoughts ?
github.com
GitHub - aws/pgactive
Contribute to aws/pgactive development by creating an account on GitHub.
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Peter Zaitsev @peterzaitsev.bsky.social · 10/06/2025
It is great to see whenever things get messy with #opensource The Linux Foundation steps in. So on the heals of WordPress drama we have FAIR package management system announcement. www.linuxfoundation.org/press/linux-... What do you think ? Will this project be successful/get any traction ?
linuxfoundation.org
Linux Foundation Announces the FAIR Package Manager Project for Open Source Content Management System Stability
Linux Foundation announces FAIR Package Manager project, creating simplicity, security and consistency for the WordPress ecosystem
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Peter Zaitsev @peterzaitsev.bsky.social · 09/06/2025
Coroot covered by ADMIN magazine www.admin-magazine.com/Archive/2025...
admin-magazine.com
Coroot » ADMIN Magazine
Coroot
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Peter Zaitsev @peterzaitsev.bsky.social · 09/06/2025
Wow, This is awesome! Love to see working of algorithms interactively visualized this way blog.sagyamthapa.com.np/interactive-...
blog.sagyamthapa.com.np
Rate Limiting: An Interactive Guide
Introduction Rate limiting is a must have strategy in every back-end service. It prevent one user from overusing a resource and degrading the quality of service for other users. Here are some benefits of rate limiting It presents resource starvation...
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Peter Zaitsev @peterzaitsev.bsky.social · 09/06/2025
It is a good reminder how automation can increase the surface for security attacks boostsecurity.io/blog/weaponi...
boostsecurity.io
Weaponizing Dependabot: Pwn Request at its finest
Learn how Dependabot can be co-opted to exploit some sensitive workflows, through the Confused Deputy Problem and branch name injections.
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Peter Zaitsev @peterzaitsev.bsky.social · 05/06/2025
Coroot now has Risk assessment to help you to prevent the downtime coroot.com/blog/peaceti... #opensource #onbservability
coroot.com
Peacetime Observability: Spotting Risks Before They Become Incidents
Peacetime observability helps you spot hidden risks and control costs before they turn into incidents. Learn how Coroot uses automation, eBPF, and cloud metadata to keep your systems reliable and effi...
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Peter Zaitsev @peterzaitsev.bsky.social · 31/05/2025
When I spoke to PostgreSQL folks in the past about having Bugs database, dislike for centralization was one of concerns. Was interesting to see the solution of GIT based distributed bug tracking github.com/git-bug/git-...
github.com
GitHub - git-bug/git-bug: Distributed, offline-first bug tracker embedded in git
Distributed, offline-first bug tracker embedded in git - git-bug/git-bug
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Peter Zaitsev @peterzaitsev.bsky.social · 31/05/2025
Interesting analyses of impact of the Sharding blog.ydb.tech/sharded-is-n...
blog.ydb.tech
Sharded Is Not Distributed: What You Should Know When PostgreSQL Is Not Enough
There are many myths about sharding, 2PC, and distributed transactions. This post debunks them and explains what really matters.
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Peter Zaitsev @peterzaitsev.bsky.social · 29/05/2025
Coroot 1.11 - Custom Pricing support and log improvements coroot.com/blog/coroot-...
coroot.com
Coroot 1.11: What's New
Discover the latest features in Coroot 1.11! Enhanced cloud cost monitoring for bare-metal environments, log filtering by custom attributes, project-level log explorer, and seamless trace-to-log corre...
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Peter Zaitsev @peterzaitsev.bsky.social · 29/05/2025
Have you tried Coroot for automated AI powered root cause analyses ? coroot.com/blog/we-buil...
coroot.com
We built AI-powered Root Cause Analysis that actually works
Discover how Coroot’s new AI-based Root Cause Analysis helps you troubleshoot complex systems faster. Built with smart data collection, machine learning, and LLMs, and priced for every team.
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Peter Zaitsev @peterzaitsev.bsky.social · 29/05/2025
Text-to-SQL solutions at Google explained cloud.google.com/blog/product...
cloud.google.com
Techniques for improving text-to-SQL | Google Cloud Blog
Learn about text-to-SQL techniques like context building and table retrieval, LLM-as-a-judge, and LLM prompting and post-processing.
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Peter Zaitsev @peterzaitsev.bsky.social · 29/05/2025
Congrats to Codership - Galera Cluster team with successful exit after so many years and MariaDB with consolidating, getting ownership of the critical piece of their high availability solution mariadb.com/newsroom/pre... #mariadb
mariadb.com
MariaDB Acquires Galera Cluster | MariaDB
Acquisition enables deeper integration of synchronous replication technology into MariaDB Enterprise Platform for high availability and scalability.
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Peter Zaitsev @peterzaitsev.bsky.social · 25/05/2025
Percona University Milan is tomorrow, Monday, May 26. Ananias Tsalouchidis and Santo Leto will cover PostgreSQL and MySQL with production-ready insights. www.eventbrite.com/e/percona-un... Free event, full day of open source and cloud-native learning. #OpenSource #CloudNative #Kubernetes
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Peter Zaitsev @peterzaitsev.bsky.social · 24/05/2025
2 days to go. Corrado Pandiani and Peter Farkas are speaking at Percona University Milan. Join us May 26 for a day of open source, performance, and real-world database talks. Free to attend. www.eventbrite.com/e/percona-un... #OpenSource #Databases #CloudNative #Kubernetes
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Peter Zaitsev @peterzaitsev.bsky.social · 23/05/2025
3 DAYS TO GO! 🚨 Percona University Milan is almost here!!! Free talks, open source, Postgres, MySQL, cloud-native & more. May 26. Don’t miss it. Register for free(food and drinks included): www.eventbrite.com/e/percona-un... #OpenSource #Databases #RedHat
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Peter Zaitsev @peterzaitsev.bsky.social · 22/05/2025
4 DAYS TO GO! 🚨 Percona University hits Milan on May 26! Free talks, open source, good food & even better people. MySQL, Postgres, MongoDB – all in one place. Don’t miss this. www.eventbrite.com/e/percona-un... #PerconaUniversity #Milan #OpenSource #Databases
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Peter Zaitsev @peterzaitsev.bsky.social · 14/05/2025
See Automated MySQL Query Performance Optimization by Releem in action vladmihalcea.com/mysql-query-... #mysql
vladmihalcea.com
MySQL Query Optimization with Releem - Vlad Mihalcea
If you are using MySQL and want to benefit from automatic query optimization, then Releem can help you achieve this goal.
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Peter Zaitsev @peterzaitsev.bsky.social · 14/05/2025
Interesting Article. I often tell folks what is right for Facebook is most likely wrong for your 1 person startup. In general a lot of "best practices" are written by successful organizations, and so pretty large, they however might not fit well for small organizations nexo.sh/posts/micros...
nexo.sh
Microservices Are a Tax Your Startup Probably Can’t Afford
Why splitting your codebase too early can quietly destroy your team’s velocity — and what to do instead. In a startup, your survival depends on how quickly you can iterate, ship features, and deliver ...
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Peter Zaitsev @peterzaitsev.bsky.social · 14/05/2025
Natale Vinto’s talk at Percona University Milan sounds really cool, MySQL on OpenShift. Natale’s super knowledgeable, and always fun to listen to. Excited to catch this one in person on May 26! 🎟️ www.eventbrite.com/e/percona-un... #PerconaUniversity #OpenShift #MySQL
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Peter Zaitsev @peterzaitsev.bsky.social · 12/05/2025
Looking forward to Ananias Tsalouchidis’s session at Percona University Milan on May 26. His talk, “How to Ease Major MySQL Upgrades”, is set to provide practical advice for those tackling complex upgrades. Join us in Milan! 🎟️ www.eventbrite.com/e/percona-un... #MySQL #OpenSource
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Peter Zaitsev @peterzaitsev.bsky.social · 11/05/2025
Pretty cool Linux Performance Monitoring Solution github.com/iopsystems/r... - provides some of the low level information beyond other conventional tools
github.com
GitHub - iopsystems/rezolus: High-resolution, low-overhead systems telemetry
High-resolution, low-overhead systems telemetry. Contribute to iopsystems/rezolus development by creating an account on GitHub.
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Peter Zaitsev @peterzaitsev.bsky.social · 11/05/2025
NAO - AI Coding tool focused on developers working with data getnao.io
getnao.io
nao - data vibing
nao: An IDE that understands data work. Revolutionize your analytics engineering with a modern platform. Join the waitlist today.
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Peter Zaitsev @peterzaitsev.bsky.social · 11/05/2025
Want to learn how Peter Farkas started FerretDB why he chose #postgres and other foundational stories ? Check out this podcast: talkingpostgres.com/episodes/how...
talkingpostgres.com
Talking Postgres with Claire Giordano | How I got started with FerretDB (& why we chose Postgres) with Peter Farkas
How does a trek to K2 base camp in the Himalayas spark the idea for a database company? In Episode 27 of Talking Postgres with Claire Giordano, guest Peter Farkas—CEO and co-founder of FerretDB—sha...
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