The Five Nines of Malicious SLA Compliance

Description

This image is a screenshot of a tweet from the 'Dev meme' Twitter account (@devs_memes), posted on April 20th. The profile picture is a distorted, drooling stick-figure face, often used to represent trolling or foolishness. The tweet, set in white text on a black background, presents a short, humorous dialogue: '- What is the SLA of your service? - Five nines! - But this shit is always inaccessible! - 9.9999%!'. The humor is rooted in a technical misunderstanding, or deliberate misrepresentation, of a common industry term. In the context of Service Level Agreements (SLAs), 'five nines' is industry shorthand for 99.999% uptime, an extremely high standard of availability. The punchline reveals that the service provider is interpreting 'five nines' literally as the number 9 repeated five times (9.9999%), which translates to approximately 90% downtime, thus explaining why the service is perpetually down. This joke resonates with experienced engineers who have dealt with misleading marketing claims, unreliable third-party services, and the critical importance of precise technical language in contracts and SLAs

Common Tags

ServiceLevelAgreements HighAvailability SiteReliabilityEngineeringPractices Observability ProductionIssues OnCallDuty DeveloperHumor

Comments

Anonymous ★ Top Pick Our new service offers 'Schrödinger's SLA': it's simultaneously 99.999% and 9.9999% available until a customer opens a ticket, at which point the waveform collapses into downtime

Anonymous ★ Top Pick

Our new service offers 'Schrödinger's SLA': it's simultaneously 99.999% and 9.9999% available until a customer opens a ticket, at which point the waveform collapses into downtime
Anonymous

Of course we hit five nines - measure per-container per-millisecond uptime, average across 400 microservices, and quietly discard anything that wakes the on-call
Anonymous

The real five nines achievement is when your monitoring dashboard shows 99.999% uptime while your pager shows 99.999% of your nights interrupted by incidents that somehow don't count against the SLA
Anonymous

The beauty of 'five nines' is that it works both as an aspirational SLA and as a Rorschach test for your organization's maturity: if your first thought is '99.999% uptime,' you're in SRE mode; if it's '9.9999% uptime,' you've clearly been on-call during a cascading failure across three availability zones at 3 AM while your monitoring system was also down, and you've learned that the real SLA is whatever keeps legal from getting involved
Anonymous

Five nines SLA? That's just code for 'down 5 minutes a month - right when your biggest customer pings.'
Anonymous

Five nines: 99.999% of GET /health returns 200; user journeys run under a different SLA called “best effort,” measured in postmortems
Anonymous

Our “five nines” is measured at the load balancer’s health check, not the user’s 503s - legal calls it an SLA, SRE calls it error‑budget laundering
@unexpiredmilk 5y

Oh, now I found a new one acc to follow there
@feskow 5y

VK, twitter, telegram...
@feskow 5y

Fediverse. When?
@mvolfik 5y

Sneaky promote lol
1. dev_meme 5y
  
  Almost no one subscribed in twitter actually. Just coz... Why to do so? 😂
  
  @panKrysha 5y
  
  Telegram masterrace
@feskow 5y

yoo les goo ✊