26A worker vanished overnight with nothing in its logs. Show me how you read OOM killer output to explain the death.▼hardNewMetaAmazon & AWSGoldman Sachs◆ premiumSIGKILL writes no stack trace and the application cannot defend itself. The verdict is already sitting in the kernel ring buffer, and reading it precisely is the skill being priced.Open full answer →
30The kernel OOM killer shot our observability agent instead of the worker that ate the memory. How does it pick victims?▼hard★ EssentialNewNetflixDatadogUber◆ premiumThe kill was not random and it was not fair. Learn the scoring function the kernel actually uses, then bend it with oom_score_adj before your monitoring dies during the next leak.Open full answer →