# PS 5.5.28 mysql server swapping even when 4-5G memory is available

**URL:** <https://forums.percona.com/t/ps-5-5-28-mysql-server-swapping-even-when-4-5g-memory-is-available/7091>\
**Category:** Other MySQL® Questions\
**Created:** [July 2, 2019, 2:30am UTC](https://forums.percona.com/t/ps-5-5-28-mysql-server-swapping-even-when-4-5g-memory-is-available/7091 "2019-07-02T02:30:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![harveyclayton](https://avatars.discourse-cdn.com/v4/letter/h/8797f3/32.png) [@harveyclayton](https://forums.percona.com/u/harveyclayton)\
**Post date:** [July 2, 2019, 2:30am UTC](https://forums.percona.com/t/ps-5-5-28-mysql-server-swapping-even-when-4-5g-memory-is-available/7091/1 "2019-07-02T02:30:36Z")

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Hello,

I 'm seeing couple of mysql db master swapping and using 3-4G of swap memory , but strangely db server has 4-5G free RAM available.

Any idea why mysql is using swap when server has enough ram .

Swappiness is set to 0 on these server .

[db1 ~]$ free -g  
total used free shared buffers cached  
Mem: 125 122 3 0 0 10  
-/+ buffers/cache: 111 14  
Swap: 15 4 11