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发表于 2004-7-28 22:12:53
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In many other respects, internal limits have been increased when possible. The number of unique users and groups on a Linux system has been bumped from 65,000 to over 4 billion. (16-bit to 32-bit). This will make Linux more practical on large file and authentication servers where it might be possible to hit the previous limit. Similarly, The number of PIDs (Process IDs) before wraparound has been bumped up from 32,000 to 1 billion. This change, combined with other efficiencies in the PID subsystem, will help to improve application starting performance on very busy or very long-lived systems. Although the maximum number of open files has not been increased, Linux with the 2.6 kernel will no longer require you to set what the limit is in advance; this number will self-scale. And finally, Linux 2.6 will include improved 64-bit support on block devices that support it, even on 32-bit platforms such as i386. This allows for filesystems up to 2TB.
使用不同文件系统对所能用的文件系统大小有限制，而内核本身对此的支持也有了区别。 |
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