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Old 06-06-2019, 08:00 AM
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tvmaster2 tvmaster2 is offline
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java heap size maximum - how high?

Iím running Windows 7, 32 bit, with 4gb of ram.
Whatís the maximum I can set the Java Heap Size to in regedit, 400?
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Old 06-06-2019, 10:08 AM
JustFred JustFred is offline
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Short answer: yes, 0x400 is the practical max.

But don't be surprised if Sage's System Information page shows the max java heap size is significantly less than 1 GB (0x400) on your system. That's because 32-bit Windows really only allows access to a max of approx 3.2 GB of memory (maybe less, depending on your video card and other hardware). The operating system itself, plus any other running programs (anti-virus, backup programs, etc etc), can consume a pretty significant amount of that 3.2GB. A peek at Windows Task Manager will provide some insight.
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System #1: Win7-64, Core2-Quad Q9400, 8 GB Mem, 4TB HD. Java-64 1.8.0_141. Sage-64 v9.2.1 ATSC: 2x HDHR-US (1st gen white) tuners. HD-200.
System #2: Win7-64, I7-920, 8 GB Mem, 2TB HD. Java 1.8.0_131. Sage v9.1.6.747. ClearQAM: 2x HDHR3-US tuners. HD-200.
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Old 06-06-2019, 10:53 AM
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tvmaster2 tvmaster2 is offline
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Quote:
Originally Posted by JustFred View Post
Short answer: yes, 0x400 is the practical max.

But don't be surprised if Sage's System Information page shows the max java heap size is significantly less than 1 GB (0x400) on your system. That's because 32-bit Windows really only allows access to a max of approx 3.2 GB of memory (maybe less, depending on your video card and other hardware). The operating system itself, plus any other running programs (anti-virus, backup programs, etc etc), can consume a pretty significant amount of that 3.2GB. A peek at Windows Task Manager will provide some insight.
Thanks for confirming this. Iím not sure what takes more ram, the SageTV app itself, or the Service Mode app, so thatís something to consider for freeing up ram. I usually watch via the SageTV app on my server while Iím in that particular room, but maybe itís time for putting a media extender in there instead and saving some ram.
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