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"Webpage using significant energy"
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<blockquote data-quote="MacInWin" data-source="post: 1790613" data-attributes="member: 396914"><p>@Patrick, let me describe my system here. I have a mid-2015 MBPr with 16 GB of memory, and a 960GB SSD. I am on macOS High Sierra 10.13.4 and Safari 11.1. All my software is up to date with whatever updates Apple offers. I have internet speed of about 250mbps and use a wired Ethernet for connection to a Netgear Orbi mesh router. I use a second monitor, an Apple Thunderbolt display and an Apple 4G TV to feed my television. So, what I do is get the stream started, put it up as full screen on the TB monitor, then use AirPlay to throw it to the AppleTV and then to my television. Works well with all those speedy connections. </p><p></p><p>Where I see the message on is mlbtv.com, where I stream baseball games from out of town. I put Activity Monitor on the MBP screen and monitored the memory used in this setup. When I get the message about the page using significant memory, the Memory Pressure is green and there is zero Swap used. Memory Used does creep up to about 14GB of the 16GB, but never do I see pressure going anywhere up at all. Usually in the low green area.</p><p></p><p>So, my theory on the message is that somehow Safari is monitoring how much memory it is using and doing the report even if the system is experiencing no impacts at all. In searching for the error, you don't find many hits, but one common one is that Safari will reload a page if it's using too much memory. I don't see reloading, just the warning about using significant memory. </p><p></p><p>BTW, my setup does drive the GPU pretty hard, and the fans start to move up in speed, but again, no warning messages on that and no graphics glitches. Just the warning message across the top of the screen.</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1790613, member: 396914"] @Patrick, let me describe my system here. I have a mid-2015 MBPr with 16 GB of memory, and a 960GB SSD. I am on macOS High Sierra 10.13.4 and Safari 11.1. All my software is up to date with whatever updates Apple offers. I have internet speed of about 250mbps and use a wired Ethernet for connection to a Netgear Orbi mesh router. I use a second monitor, an Apple Thunderbolt display and an Apple 4G TV to feed my television. So, what I do is get the stream started, put it up as full screen on the TB monitor, then use AirPlay to throw it to the AppleTV and then to my television. Works well with all those speedy connections. Where I see the message on is mlbtv.com, where I stream baseball games from out of town. I put Activity Monitor on the MBP screen and monitored the memory used in this setup. When I get the message about the page using significant memory, the Memory Pressure is green and there is zero Swap used. Memory Used does creep up to about 14GB of the 16GB, but never do I see pressure going anywhere up at all. Usually in the low green area. So, my theory on the message is that somehow Safari is monitoring how much memory it is using and doing the report even if the system is experiencing no impacts at all. In searching for the error, you don't find many hits, but one common one is that Safari will reload a page if it's using too much memory. I don't see reloading, just the warning about using significant memory. BTW, my setup does drive the GPU pretty hard, and the fans start to move up in speed, but again, no warning messages on that and no graphics glitches. Just the warning message across the top of the screen. [/QUOTE]
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