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Libeatmydata

May 26, 2018

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libeatmydata is a small LD_PRELOAD library designed to transparently disable fsync and friends, like openO_SYNC. This has two side-effects making software that writes data safely to disk a lot quicker and making this software no longer crash safe.

DO NOT use libeatmydata on software where you care about what it stores. It’s called libEAT-MY-DATA for a reason.