[Shachar Shemesh] > When you said "and of course", I thought you were going to say "allow > scripts that have no inter-dependency to start in parallel". Having a > concurrency level of at least 2 should speed the start up > considerably, especially when packages are taking long to start mostly > because they do a sleep in wait for some hardware to settle.
Yes, running things in parallel is also made easier. But I am not sure if it will speed up the boot or not. Benchmarks have been inconclusive. Switching to dash as /bin/sh have more impact on the boot time than reordering and concurrency, according to the result from the google summer of code project of Carlos Villegas. But before we can be sure to run everything, all init.d scripts should have correct LSB headers. As you can see from this list, there are still a few packages to fix. An updated list of packages is available from <URL:http://wiki.debian.org/LSBInitScripts/DependencyBasedBoot>. 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