# High CPU when navigating libraries

**URL:** https://forums.plex.tv/t/high-cpu-when-navigating-libraries/844568
**Category:** Plex Media Server
**Tags:** server-windows, library-management
**Created:** [June 15, 2023, 11:48pm UTC](https://forums.plex.tv/t/high-cpu-when-navigating-libraries/844568 "2023-06-15T23:48:00Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![OttoKerner](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/ottokerner/32/10079_2.png) [@OttoKerner](https://forums.plex.tv/u/OttoKerner)
#### Post date: [June 16, 2023, 12:15pm UTC](https://forums.plex.tv/t/high-cpu-when-navigating-libraries/844568/8 "2023-06-16T12:15:17Z")

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> [@mannypace](#):
>
> After changing it to 40MB its taking 4-6seconds to open a library. I thought the default was 1024 as thats what it was in SQLite and had brainfart moment where i assumed it was MB NOT cache\_size \* page\_size

See the beginning of this thread [Support Doc for Database Cache Size (MB)?](https://forums.plex.tv/t/support-doc-for-database-cache-size-mb/822583/1)  
for additional clues what kind of a parameter this is.  
I think it’s a different one than the one you cite as being 1GB as default.

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