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Process for thousands of connections
FeatureArchitecture
Event-driven by design.
Process-based servers dedicate a process or thread to each connection. LiteSpeed handles thousands of connections in a handful of processes, so memory stays flat as traffic grows.
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Comparison
Two Ways To Serve Traffic
| Event-driven (LiteSpeed) | Process-based (Apache prefork) | |
|---|---|---|
| Connections per process | Thousands | One |
| Memory as traffic grows | Nearly flat | Grows with every connection |
| Context switching | Minimal | Heavy under load |
| Slow clients | Handled without blocking | Tie up a worker each |
| Traffic spikes | Absorbed gracefully | Can exhaust workers and swap |
In practice
What It Means For Your Servers
- More sites per server without upgrading hardware
- Stable response times during traffic spikes
- Lower memory usage leaves more room for PHP and databases
- Keep-alive connections cost almost nothing
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Flat
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