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Possible Changes In Ubuntu 14.04 LTS (Trusty Tahr)

A new Virtual Ubuntu Developer Summit (uds-1311) will start next week and some interesting changes will be discussed, such as enabling TRIM for SSDs by default, supporting touch apps on Ubuntu desktop and more.Below you’ll find some of the changes proposed for the upcoming Ubuntu 14.04 LTS (Trusty Tahr) as well as some other interesting UDS tracks.Enable TRIM for SSDs by defaultThe Ubuntu developers want to enable TRIM for SSDs in Ubuntu 14.04 LTS Trusty Tahr. TRIM allows the OS to “inform a solid-state drive (SSD) which blocks of data are no longer considered in use and can be wiped internally”. Without this, the write speed on SSDs becomes very slow over time. The UDS discussion will be about the method that’s going to be used in Ubuntu for trimming SSDs. The first one is called online discard and it consists on simply adding a “discard” option to /etc/fstab but many say this isn’t a good idea and you’ll get a significant performance hit when trying to delete a large number of small files. The second approach is using fstrim and a cron job and this can run daily or weekly and it doesn’t affect performance when deleting a large

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