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This PR adds a new `--cpus` configuration option to address CPU detection issues in virtualized and containerized environments where `_SC_NPROCESSORS_CONF` and `_SC_NPROCESSORS_ONLN` return host CPU counts instead of allocated container CPUs. ## Problem In containerized deployments, coturn detects the host's CPU count (e.g., 128 CPUs) instead of the container's allocated CPUs (e.g., 2 CPUs). This causes the server to create excessive relay threads and database connections, leading to resource exhaustion and performance issues. ## Solution Added a new `cpus` configuration option that allows manual override of CPU detection: ### Command Line Usage ```bash turnserver --cpus 2 ``` ### Configuration File Usage ```ini # Override system CPU count detection for containers cpus=2 ``` ## Key Features - **Backward Compatible**: No changes needed for existing deployments - **Input Validation**: Values must be between 1 and 128 with proper error handling - **Comprehensive Documentation**: Updated man pages and example config files - **Both Interfaces**: Works via command line and configuration file ## Testing The implementation has been thoroughly tested: ```bash # Container with 2 allocated CPUs on 128-CPU host $ turnserver --cpus 2 INFO: System cpu num is 128 # Host detection INFO: System enable num is 128 # Host detection INFO: Configured cpu num is 2 # Override applied INFO: Total General servers: 2 # Correct thread count ``` - ✅ Command line option: `--cpus 8` creates 8 relay servers - ✅ Config file option: `cpus=6` creates 6 relay servers - ✅ Error handling: Invalid values show appropriate errors - ✅ Default behavior: Without option, uses system detection - ✅ RFC5769 tests: All protocol tests still pass ## Files Modified - `src/apps/relay/mainrelay.c` - Core implementation - `src/apps/relay/mainrelay.h` - Added configuration flag - `examples/etc/turnserver.conf` - Added documentation and example - `man/man1/turnserver.1` - Updated man page This change directly addresses the resource consumption issues in containerized environments while maintaining full backward compatibility. Fixes #1628. |
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| .. | ||
| coturn.1 | ||
| turnadmin.1 | ||
| turnserver.1 | ||
| turnutils_natdiscovery.1 | ||
| turnutils_oauth.1 | ||
| turnutils_peer.1 | ||
| turnutils_stunclient.1 | ||
| turnutils_uclient.1 | ||
| turnutils.1 | ||