Comment 28 for bug 947664

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Dan42 (launchpad-net-dan42) wrote :

For the record, I used to have this problem and neither "force-unsafe-io" nor "nodelalloc" nor "discard" option in fstab solved the problem. Because... my problem was that I was using a very old SSD model that did not even have TRIM. Every write required an erase cycle and obviously that killed performance. Problem fixed with a new SSD.