# Better to install Pi-Hole on router or switch/ RAM usage on Pi Zero

**URL:** https://discourse.pi-hole.net/t/better-to-install-pi-hole-on-router-or-switch-ram-usage-on-pi-zero/11437
**Category:** Help
**Created:** [August 5, 2018, 11:49pm UTC](https://discourse.pi-hole.net/t/better-to-install-pi-hole-on-router-or-switch-ram-usage-on-pi-zero/11437 "2018-08-05T23:49:47Z")
**Posts on this page:** 1
**Showing post:** 18

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### Author: ![jfb](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/jfb/32/4332_2.png) [@jfb](https://discourse.pi-hole.net/u/jfb)
#### Post date: [September 15, 2018, 12:15pm UTC](https://discourse.pi-hole.net/t/better-to-install-pi-hole-on-router-or-switch-ram-usage-on-pi-zero/11437/18 "2018-09-15T12:15:39Z")

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> [@High CPU, High RAM, not working, dnsmasq issues? - Solved](https://discourse.pi-hole.net/t/high-cpu-high-ram-not-working-dnsmasq-issues-solved/12149/8):
>
> It felt like it needed a full restart anyhow sweat_smile After changing the (empty) file, and rebooting, I'm now seeing load numbers that still bounces around a bit, while Memory Usage is down to 19.3% (with a few more lists added, now up on 631k domains. What does the NXDOMAIN actually do, mainly in concerns of privacy? Also, in case of more testing for you guys, then the Pre-4.0 ran the approx. 3mill domains just fine, with a fine memory and load usage (load was usually, as mentioned befo…

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