Note di Matteo


#cloud

Quickwit

Numeri sulla migrazione di Mezmo da Elasticsearch a Quickwit.

Con Elasticsearch:

  • 2 PB di storage
  • 275 istanze EC2
  • 35 TB di RAM
  • 7770 core

(800 MB - 2 GB di integestion al secondo)

Con Quickwit (che è pazzesco!):

  • -80% storage
  • -40% di instanze EC2
  • -98% RAM
  • -93% CPU

#159 /
17 novembre 2025
/
14:35
/ #database#storage#cloud

L'nginx ingress di Kubernetes sarà dismesso (nessun aggiornamento nemmeno di sicurezza) da marzo 2026, senza evidenti alternative equivalenti. Wow.

#146 /
13 novembre 2025
/
13:32
/ #cloud

PostgreSQL extensions on cloud monitora quali estensioni sono presenti su quali cloud provider che offrono PostgreSQL managed. Utile! E dato che OVHcloud e UpCloud si basano su tecnologia Aiven, sono implicitamente inclusi nel confronto.

#119 /
30 ottobre 2025
/
10:56
/ #cloud#database



us-east-1

Today, us-east-1 is the single largest AWS region. It generates an estimated 2.5GW capacity spread across 6 availability zones (AZs) and 158 data centers. In comparison, the second-largest region is us-west-1 in Oregon, with an estimated 1.7GW capacity spread across 4 availability zones (AZs) and 48 data centers. Not only is us-west-1 about smaller than us-east-1, but it also charges higher per-instance prices than us-east-1.

(da The Pragmatic Engineer)

#104 /
25 ottobre 2025
/
23:07
/ #cloud#aws

TIL AWS chiama le istanze EC2 "droplet" internamente, come DigitalOcean:

The first subsystem is DropletWorkflow Manager (DWFM), which is responsible for the management of all the underlying physical servers that are used by EC2 for the hosting of EC2 instances – we call these servers “droplets”.

#103 /
25 ottobre 2025
/
22:55
/ #cloud#aws

I database PostgreSQL managed di Ubicloud sono ora anche su infrastruttura AWS. Ubicloud è olandese anche se controllata da Ubicloud Inc., statunitense.

#100 /
24 ottobre 2025
/
13:50
/ #database#cloud

Giornata nerissima per AWS: siamo a 14 ore di problemi diffusi in us-east-1, a varie fasi e con diversi servizi coinvolti.

#90 /
20 ottobre 2025
/
23:01
/ #cloud#aws

Qualche dettaglio in più sui nuovi piani Hetzner Cloud:

  • The CX (cost-optimized x86 cloud servers) Gen3 line is no longer Intel-only, but uses the previous generation of both Intel and AMD servers (from CX Gen1, CX Gen 2, and CPX Gen1). This is still the go-to option for budget needs.
  • The CPX (still shared, but performance-optimized cloud servers) Gen2 has been refreshed with a more recent AMD hardware (Genoa), offering both better price and performance.
  • The CAX (costs-optimized ARM cloud servers) and CCX (cloud servers with dedicated vCPUs) lines did not receive a hardware update as far as I can tell.
#86 /
20 ottobre 2025
/
09:23
/ #cloud#hetzner

GitHub Pages infrastructure

GitHub Pages, our static site hosting service, has always had a very simple architecture. From launch up until around the beginning of 2015, the entire service ran on a single pair of machines (in active/standby configuration) with all user data stored across 8 DRBD backed partitions. Every 30 minutes, a cron job would run generating an nginx map file mapping hostnames to on-disk paths.

There were a few problems with this approach: new Pages sites did not appear until the map was regenerated (potentially up to a 30-minute wait!); cold nginx restarts would take a long time while nginx loaded the map off disk; and our storage capacity was limited by the number of SSDs we could fit in a single machine.

Despite these problems, this simple architecture worked remarkably well for us — even as Pages grew to serve thousands of requests per second to over half a million sites.

Hailey Somerville sul blog GitHub.

#83 /
18 ottobre 2025
/
13:28
/ #dev#cloud

Cambia la gamma di piani cloud Hetzner, ora divisi in:

  • Shared Cost-Otimized: un mix di Intel, AMD e Ampere (ARM), da 4,26 € a 29,8 €, max 16 vCPU e 32 GB di RAM.
  • Shared Regular Performance: solo AMD, da 7,92 € a 47,57 €, configurazioni simili.
  • Dedicated General Purpose: solo AMD, da 15,24 € a 351,96 € per 48 vCPU e 192 GB di RAM.

Il prezzo minimo mi pare sia leggermente più basso rispetto a prima. Prima la dvisione era solo tra Shared e Dedicated.

I prezzi qua sono IVA 22% inclusa e incluso un IPv4.

#73 /
16 ottobre 2025
/
13:38
/ #cloud#hetzner

GitHub si sposta su Microsoft Azure:

Vladimir Fedorov, GitHub’s chief technology officer, made the Azure migration announcement internally earlier this week, noting that GitHub is currently struggling with data center capacity. GitHub is currently hosted on the company’s own hardware, centrally located in Virginia. “We are constrained on data server capacity with limited opportunities to bring more capacity online in the North Virginia region,” Fedorov writes in a note to GitHub employees, or GitHubbers as they’re known internally.

To ensure the move to Azure is completed within 12 months, GitHub’s leadership team is asking employees to delay new features in favor of the Azure migration. “We will be asking teams to delay feature work to focus on moving GitHub,” Fedorov says. [...]

GitHub is now aiming to move fully off its own data centers within two years. This gives GitHub 18 months to execute its migration, with a six-month buffer for any delays. Most of the work will be completed over the next 12 months, according to Fedorov.

Magari è la volta buona che abilitano IPv6.

(The Verge)

#53 /
8 ottobre 2025
/
20:07
/ #microsoft#dev#cloud#datacenter

Fly.io ha annunciato che ridurrà significativamente il numero di region globali, passando da 35 a 18! In Sud America si passa da 4 region a solo una, in Europa spariscono Polonia, Spagna e Romania. In America del Nord ne spariscono ben 9!

#27 /
1 ottobre 2025
/
15:03
/ #cloud

Bunny Hub

Uh, bunny.net lancerà una nuova status page e metterà a disposizione il prodotto costruito in-house a tutti per creare le proprie status page, con health check, iscrizioni, changelog, ecc.

#17 /
29 settembre 2025
/
18:36
/ #cloud

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