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Hacker News1 Replacing a $3000/mo Heroku bill with a $55/mo serverThe content has been moved to a new location with a redirect link to a blog post about how Idealist.org replaced a $3000/month Heroku bill with a $55/month server solution. Heroku pricing vs self-hosting alternatives: Discussion centers on Heroku's expensive pricing ($50/month for 1GB RAM dyno) compared to alternatives like Hetzner VPS at $55/month. Users debate the 25-50x price difference, with some defending Heroku's convenience while others advocate for self-hosting solutions like Coolify, Dokku, and Railway.Memory management and swap configuration: Technical debate about enabling swap, using earlyoom vs systemd-oomd for OOM prevention, and zram for memory compression. Users share experiences with memory tuning, VM configuration, and preventing server lockups during memory exhaustion scenarios.Single machine capabilities vs cloud complexity: Users discuss how modern hardware can handle much more than expected, with examples of running 300+ services on single servers. Conversation covers the trade-offs between cloud convenience and self-hosting simplicity, emphasizing how far single machines can scale today.
Reddit science1 Using scented products indoors changes the chemistry of the air, producing as much air pollution as car exhaust does outside, according to a new study. Researchers say that breathing in these nanosized particles could have serious health implications.Using scented products indoors, such as flame-free candles and wax melts, can create significant indoor air pollution comparable to car exhaust. Research by Purdue University found these products release nanosized particles that can penetrate deep into lungs and potentially enter the bloodstream, posing serious respiratory health risks. Misleading title scope: Discussion about how study only focused on wax melts but title suggests all scented products, with debate about whether findings could logically extend to other scented itemsHealth concerns from chemist: A chemist's perspective against using scented products leads to sharing of personal health impact stories, from COPD to cancer cases, and debate about necessity of artificial scentsAir purification solutions: Discussion of HEPA filters and other air purification methods as solutions, with debate about effectiveness against different types of pollutants like VOCs and nanoparticles
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