From Dev.to Community
Tech Articles
Curated developer articles, tutorials, and guides — auto-updated hourly
Sergey ShinderSep 22, 2026 • 2 min read
Our deploys were also our restart policy
At four on a Sunday morning an internal reconciliation service went down. All four pods were killed....
#sergeyshinder#sre#reliability#kubernetes
0 0
晖莫Sep 21, 2026 • 4 min read
The Queue Is Not a Database: Jobs That Silently Never Happened
We treated RabbitMQ as the record of our work. Then messages expired mid-job and nobody could answer...
#queues#postgres#rabbitmq#reliability
0 0
Sergey ShinderSep 19, 2026 • 2 min read
Nobody had timed the part that comes after the restore
We lost the primary database of our order system at twenty past eight on a Thursday morning, during ...
#sergeyshinder#sre#reliability#backups
0 0
JudeSep 18, 2026 • 17 min read
Our tool gateway says max_retries=2. It calls your tool exactly once.
The short answer How many times does one tool call actually execute in our agent...
#distributedsystems#reliability#softwareengineering#debugging
0 0
晖莫Sep 18, 2026 • 4 min read
Timeouts Are a Contract: Three Numbers Per Service Call
A single hung dependency drained our worker pool in minutes because we never set one. Every service ...
#distributed#reliability#timeouts#go
0 0
Sergey ShinderSep 17, 2026 • 2 min read
We announced read only mode and could not even sign in
A storage migration needed forty minutes with the primary database accepting no writes. We had a rea...
#sergeyshinder#sre#reliability#database
0 0
ItaiSep 17, 2026 • 4 min read
A deadlock doesn't care how many times you retry it
A fix for a capacity problem that itself needs capacity to run is not delayed, it is deadlocked — an...
#aws#devops#reliability#startup
0 0
Sergey ShinderSep 18, 2026 • 2 min read
The queue had no limit so our timeouts meant nothing
A partner switched on a new storefront at nine on a Thursday morning and sent us about a fifth more....
#sergeyshinder#sre#reliability#architecture
0 0
Nainik MehtaSep 20, 2026 • 4 min read
Cache Stampede Mitigation: Stale‑While‑Revalidate & Coalescing
Stop the Cache Stampede: Practical Patterns for Cache Stampede Mitigation Cache stampedes...
#caching#reliability#sre#performance
0 0
Sergey ShinderSep 20, 2026 • 2 min read
Our rate limit punished everyone except the customer causing the problem
At twenty past two on a Tuesday morning one customer began a historical backfill against our API....
#sergeyshinder#sre#reliability#ratelimiting
0 0
Raphael Gab-MomohSep 17, 2026 • 3 min read
Disaster Recovery on Alibaba Cloud: Designing for Failure
Part 8 of the Alibaba Cloud Engineering Lab Series. Architecture Zone A (primary) ...
#alibabacloudengineeringlabseri#disasterrecovery#reliability#alibabacloud
0 0
Travis FrisingerSep 17, 2026 • 8 min read
Lights Out, Part 2: Earning Confidence
You trust an unattended pipeline the way you trust a test suite: through named regressions and fail-...
#aiagents#automation#reliability#testdiscipline
1 0
Hideki MoriSep 21, 2026 • 6 min read
The contract is a rumor
Every client I write assumes nothing about the shape of what comes back. If I read a field, I handle...
#softwareengineering#architecture#backend#reliability
0 0
XenonCross2718Sep 16, 2026 • 5 min read
Hosted PDF API or Local PDF Libraries for Shipping Labels at Production Scale
Short answer: choose a hosted PDF API for shipping labels when burst handling and renderer...
#pdf#shippinglabels#reliability
0 0
Sergey ShinderSep 16, 2026 • 2 min read
The admission webhook rejected every change, including the one that would fix it
At 09:12 on a Tuesday every change to our production cluster started failing with the same message:....
#sergeyshinder#kubernetes#sre#reliability
0 0
אחיה כהןSep 17, 2026 • 6 min read
I Audited 38 Production Containers. Zero Use depends_on restart.
depends_on with condition: service_healthy fixes the first boot. It does nothing on the second deplo...
#docker#devops#compose#reliability
0 0
FlorianBlake3536Sep 18, 2026 • 4 min read
DNS Record Write Rejected Because Zone ID Is Not Domain Name — Validation Debug
Short answer: when a DNS record write is rejected because a zone ID is not a domain name, resolve th...
#dns#domainverification#backend#reliability
0 0
Humza TareenSep 21, 2026 • 6 min read
Stop Losing Paid Renders: Hardening a Portrait-to-Widescreen Reframing Tool
A young AI outpainting tool that turns 9:16 video into 16:9 starts handling real paid work: vendor r...
#aivideo#reliability#costengineering#videorendering
0 0
Unmanned OpsSep 17, 2026 • 3 min read
We wrote 6 AM in the config and started treating it as a measurement
A daily job in our unattended pipeline is configured to run at six in the morning. For a long time I...
#automation#devops#reliability#scheduling
0 0
LeoSep 17, 2026 • 3 min read
Google Cloud publishes a six-phase playbook for its own outages
Google Cloud has documented a five-step Verify to Review loop, plus a Prepare phase, for how custome...
#incidentresponse#sre#observability#reliability
0 0
Unmanned OpsSep 22, 2026 • 3 min read
We started writing our reviewers into the dependency list
Every unattended run we operate has a dependency graph, and for a long time that graph only containe...
#automation#ai#devops#reliability
0 0
Induwara AshinsanaSep 19, 2026 • 4 min read
Waymo's flood fix: shrink the map, not just the model
Waymo lost a robotaxi to a flash flood and an entire city for five months. The fix wasn't a smarter ...
#selfdriving#aiengineering#reliability
0 0
IngramCole6479Sep 16, 2026 • 5 min read
Separate DNS Zone or Subdomain for Non Production Write Control
Short answer: Use a separate DNS zone when staging automation must be unable to write production; us...
#dns#staging#customersupport#reliability
0 0
Babar HayatSep 16, 2026 • 4 min read
The Three Cost-Baseline Patterns Every AI Agent Builder Should Monitor
Your agent's daily cost hits $150. Last week it was $12. You have no idea why, or when it'll happen....
#reliability#aiagents#monitoring
0 0