crash while reading under pressure

[athoune]

with node v0.6.19. A simple web application querying a hoard storage. A small bench with 10 concurrents users, and a crash :

fs.js:267
binding.read(fd, buffer, offset, length, position, wrapper);
^
Error: Offset is out of bounds
at Object.read (fs.js:267:11)
at /Users/mlecarme/Developpement/javascript/node-mesures/node_modules/hoard/lib/hoard.js:617:25
at Object.wrapper as oncomplete