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What does System property -Xmx....m do?

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Jamuna

Serviio newbie

Posts: 9

Joined: Sun Jan 10, 2021 7:59 pm

Post Fri Jul 09, 2021 10:59 pm

What does System property -Xmx....m do?

What does -Xmx...m memory option in the "Supported system properties" do and how is it configured?

What will trigger memory shortages?
https://speedtest.vet/ https://vidmate.bid/
I have one server set to -Xmx1024m (twice the basic memory).
What impact/benefit does it have for performance, index handling, audio (including handling large hi-res files) or is it mainly for video impact.

What typical values could be used without wasting memory?
I cannot find any detailed guidance.
Last edited by Jamuna on Sun Jul 11, 2021 6:45 am, edited 1 time in total.
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atc98092

User avatar

DLNA master

Posts: 5205

Joined: Fri Aug 17, 2012 10:22 pm

Location: Washington (the state)

Post Sat Jul 10, 2021 6:19 pm

Re: What does System property -Xmx....m do?

It is a memory setting for the Java runtime environment. Under most user conditions, it's not necessary to change the setting. Mine is at 512m, which I believe is the default. I've never encountered any issue with Serviio that might be related to memory issues.
Dan

LG NANO85 4K TV, Samsung JU7100 4K TV, Sony BDP-S3500, Sharp 4K Roku TV, Insignia Roku TV, Roku Ultra, Premiere and Stick, Nvidia Shield, Yamaha RX-V583 AVR.
Primary server: Intel i5-6400, 16 gig ram, Windows 10 Pro, 22 TB hard drive space | Test server Windows 10 Pro, AMD Phenom II X4 965, 8 gig ram

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