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5.6 -> 5.7 - huge jump in memory usage, CentOS 7.
Posted by: Pól Ua Laoínecháin
Date: February 04, 2015 08:21PM

Hi all,

I have two (idle) instances of MySQL running, 5.6 and 5.7.

Machine.
Sony Vaio, 2GB RAM, Centrino Duo.
OS CentOS 7.

MySQL Ver 14.14 Distrib 5.7.5-m15 and
MySQL Ver 14.14 Distrib 5.6.22 (what does 14.14 stand for?).

Both compiled from source - no special options, just cmake ../my_code_directory.

Now, my 5.7 instance is using 4-5 times the RAM of the 5.6 instance - and this is all of the time - memory usage of both instances goes down after a period of no use. Is this a known phenomenon?

Riarthóir bunachar sonraí agus mac léinn,
Áth Cliath, Éire

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