Messages in this thread | | | Date | Sat, 2 Feb 2002 00:49:04 +0100 (CET) | From | Ingo Molnar <> | Subject | Re: [PATCH] Radix-tree pagecache for 2.5 |
| |
On Fri, 1 Feb 2002, Linus Torvalds wrote:
> In web-servers, 99% of the content is small files, and if the file is > cached the expensive parts are all elsewhere. Don't make up "worst > case schenarios" that simply do no exist.
in fact the locking structure of radix trees have a locking advantage in the 'multiple small files' case: if one CPU does a sendfile() on one file, then the lock will be likely CPU-local for the duration of the sendfile(), while page buckets will access a new spinlock for every page accessed.
Ingo
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |