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Eduard-Cristian Stefan
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Dismissing Python Garbage Collection at Instagram to increase python application performance and system scalability.

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Configuring Linux to maximise the life of a SSD drive

I was just looking at a post that an online publication did today, and of course they only covered Windows. So here is the list I put together for Linux users, based on some research I did when I recently bought an SSD to be my new new boot disc:

1. Separation of partitions - I created separate partitions for Home and Swap on a hard drive. The latter is more important so that memory swap activity is directed to the hard drive instead of the SSD drive. The Home partition was just convenience for future upgrading. But of course if you have games such as Steam which create their own temp files, this separate Home partition makes a lot of sense.

2. Check your browser is syncing to RAM instead of the SSD - see http://www.ubuntublueprint.com/2016/05/keep-your-browser-profile-in-ram-for.html. Just note their advice too about the daemon that can help save the browser state at intervals in case you lose power and lose all unsaved settings.

3. Change swappiness to 1 - see https://sites.google.com/site/easylinuxtipsproject/ssd. The default of about 60 still does quite a lot of hard drive swapping. Swappiness of 1 really forces it to try always use RAM as much as possible.

4. Use FSTRIM for SSDs instead of TRIM because TRIM is not as efficient for the Linux kernel - see http://www.ocsmag.com/2016/04/30/using-solid-state-drives-on-linux/.

Hope this helps others and if anyone has any additional advice please add it in the comments.

Image credit: https://commons.wikimedia.org/wiki/File:Samsung_SSD_840_EVO_1TB.jpg
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http://www.phoronix.com/scan.php?page=news_item&px=Libpng-21-Year-Bug-Fix  Libpng 1.6.27, 1.5.28, 1.4.20, 1.2.57, and 1.0.67 were all released today to fix a pointer null dereference bug dating back to 1995.

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Can't say I've ever seen this. A cat that loves water 
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cat using furniture for tactical advantage
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