Willy Tarreau f8c95d2a25 OPTIM: halog: improve cold-cache behaviour when loading a file
Using posix_fadvise() it is possible to tell the system that we're
going to read a whole file at once. The kernel then doubles the
read-ahead size for this file. On Linux with an SSD, this has improved
cold-cache performance by around 20%. Hot-cache is not affected at all.
2012-06-12 09:16:56 +02:00
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