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Running Kubuntu 14.04, the above suggestions did not work. I came up with this one and it solved this problem for me on my Lenovo T510. In the file /usr/share/applications/dropbox.desktop, change the Exec line to read: Exec=ionice -c 2 -n 7 dropbox start -i Watching iotop, dropbox gets 99% of the CPU ONLY when no other process wants some time. It shares ...


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It is NOT true that disabling swap is bad. Because if you running out of memory without swap OOM will be invoked and some of tasks just die, you can continue your work. In case with swap it's very easy to run out of memory + out of swap, in this case your machine will hang in disk IO. Most probably reasons you run out of memory (memory leak, huge allocation) ...


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I recently have the same issue # iostat -dx 60 Linux 3.13.0-32-generic (hostname) Wednesday, 04 March, 2015 _x86_64_ (6 CPU) Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util vda 0.00 2.46 51.49 4.12 1742.66 325.36 74.38 0.05 770.46 487.83 ...


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boot performance under systemd can be measured with the systemd-analyze plot tool. Realize that Ubuntu running systemd is very similar to Debian, which is very similar to every other GNU/Linux distro.


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This answer applies to the newly discovered reason of the BIOS limiting the CPU frequency. Please check the condition of your power adapter and your battery. Are they functioning normally? Is the battery charging normally? Does the Laptop work O.K. on battery only? Typically, Dell bios forces low CPU frequency when something is wrong with the power and / ...


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Try Ubuntu MATE 14.04 LTS. Download it here


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One trick is to load the whole database into a RAM disk, if it fits. First, create a disk in memory: mount -t tmpfs -o size=350M tmpfs /var/tmp/ramdisk Adjust size as needed. Then move the database to this disk: rsync -av /var/lib/mysql/* /var/tmp/ramdisk/ chown -R mysql:mysql /var/tmp/ramdisk Then start the database server. In my.cnf you point the ...


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As long as the program we are talking about is not a service (examples of those are mysql, apache) it will not impede on the speed of your system. And even those services tend to be rather quiet when not actively used. The only benefit you will see is that there is less to update where there are updates. But that is not worth all the trouble tracking down ...



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