Why the RAM on Android is only 400+M? - HD2 Android Q&A, Help & Troubleshooting and Genera

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Some of the ram is used by the GPU, some is used to run the OS, and I think the radio takes some too. After the GPU and radio take their share, you end up with like 411 mb.
Then Android itsself needs some to run, and then there's your launcher and any apps you have installed. Basically what you see is what you get.
The good news is, Android manages memory differently than WinMobile. Android apps are kept in RAM to aid in fast loading, resulting in less free RAM, but an overall faster, smoother experience. I say judge not by the amount of unused memory, but by how smooth the experience. I would stay away from task killers, except for System Panel and AutoKiller Memory Optimiser. Just find the level in Autokiller that works best for you, and if you're about to use a memory hungry app, end all apps with System Panel's End All widget.

please use the search, this has been asked and answered many many times

that's because of the radio the rom and the launcher!

Richy99 said:
please use the search, this has been asked and answered many many times
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Troll....this is the Q&A section.
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chrisgto4 said:
Troll....this is the Q&A section.
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how am i a troll for saying use the search option?

Related

[Q]Task killers?

Coming from the cliq rooted with a 2.1 rom, atk was a necessity IMO.But ive hard that task killers are not needed with froyo and that it hurts more than it helps. But ive noticed that even with atk on froyo, apps aren't being killed unless I go to settings/applications/manage apps to force close myself. Ive tried just not force closing or killing apps and ive noticed it being a memory hog and decrease in performance and battery, but thats just my own personal testing.
What's your opinion on task killers and such? do I need it or am I better of without one?
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rosedale19 said:
Coming from the cliq rooted with a 2.1 rom, atk was a necessity IMO.But ive hard that task killers are not needed with froyo and that it hurts more than it helps. But ive noticed that even with atk on froyo, apps aren't being killed unless I go to settings/applications/manage apps to force close myself. Ive tried just not force closing or killing apps and ive noticed it being a memory hog and decrease in performance and battery, but thats just my own personal testing.
What's your opinion on task killers and such? do I need it or am I better of without one?
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I am using "advanced app killer'. A number of stock apps will restart right after, but most others will not.
I use it right after starting up, and after closing some apps (they often keep running in background). I think this is helping materially with my battery life - which is fairly good.
gaww said:
I am using "advanced app killer'. A number of stock apps will restart right after, but most others will not.
I use it right after starting up, and after closing some apps (they often keep running in background). I think this is helping materially with my battery life - which is fairly good.
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Thanks I will try that out. But yeah my battery life if pretty good when I really try haha. But yeah I've noticed apps just reopen, I guys I have to just get used to the froyo ways
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I couldnt find "advanced app killer" in the market. Is it elsewhere?
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not needed, just like gaww stated
A number of stock apps will restart right after
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is a horrible thing. the second u close an app and it instantly reopens itself your cpu shoots up 100% and you end up killing more battery by doing that.
Haven't seen the need for a task killer. I run System Panel app and what I'm seeing is the majority of the apps listed are on background and not taking up CPU power at all.
If anything, once I root, I'll probably use Autostarts just to minimize the number of apps that run at startup. But right now... not even necessary.
Foo_Blyat said:
not needed, just like gaww stated
is a horrible thing. the second u close an app and it instantly reopens itself your cpu shoots up 100% and you end up killing more battery by doing that.
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Total agrement here, ATK do more harm then good, There is really nothing good that it does.
30Glock said:
Total agrement here, ATK do more harm then good, There is really nothing good that it does.
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Iight makes sense to me!
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Questions go in Q&A section!
I'm so tired of this discussion to raise any of the many valid points why task killers are bad.... just don't use them lol.
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[Q] why am i using so much ram. why is it still slow

did the tutorial from the sticky titled: "HOW TO:Root, Install Clockwork, Remove Bloatware, Integrate Google, Un-root, and more"
now im constantly running a $hit load of ram, 277mb/326mb, and the phone is not particulary any faster. if anything its kinda slow actually. just really stuttery.
any tips?
yea please don't post questions on dev forum
deaffob said:
yea please don't post questions on dev forum
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so then where should i post a development question pertaining to the samsung fascinate regarding a stickied tutorial that is in the development section?
fupamobile said:
so then where should i post a development question pertaining to the samsung fascinate regarding a stickied tutorial that is in the development section?
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either post the question in the stickied topic, or in the general forum.
As to the memory usage, Android, and Linux in general, use and allocate memory differently than in Windows. High memory usage is not necessarily a bad thing due to how the system works. Odds are, there is something else that is causing your slowdown, an app that you have installed or something that you changed. Do you have a task killer installed, or do you have a bunch of widgets installed in running? Are you using TouchWiz, or another launcher? You can use an app such as Watchdog or the built in Task Manager to see if any apps are taking up a bunch of CPU time as that is what will cause more of a perceived slowness compared to high memory usage.
imnuts said:
either post the question in the stickied topic, or in the general forum.
As to the memory usage, Android, and Linux in general, use and allocate memory differently than in Windows. High memory usage is not necessarily a bad thing due to how the system works. Odds are, there is something else that is causing your slowdown, an app that you have installed or something that you changed. Do you have a task killer installed, or do you have a bunch of widgets installed in running? Are you using TouchWiz, or another launcher? You can use an app such as Watchdog or the built in Task Manager to see if any apps are taking up a bunch of CPU time as that is what will cause more of a perceived slowness compared to high memory usage.
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Watchdog is a great app for narrowing down CPU hungry apps.
fupamobile said:
so then where should i post a development question pertaining to the samsung fascinate regarding a stickied tutorial that is in the development section?
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Your question has nothing to do with development, thats why it doesn't belong.
OSMonitor also works well. Sounds def like an app. Task killers, lookout (an app) and virus free (app also) have been known to cause issues and are generally culprits of lag issues. Check to make sure those aren't installed
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imnuts said:
either post the question in the stickied topic, or in the general forum.
As to the memory usage, Android, and Linux in general, use and allocate memory differently than in Windows. High memory usage is not necessarily a bad thing due to how the system works. Odds are, there is something else that is causing your slowdown, an app that you have installed or something that you changed. Do you have a task killer installed, or do you have a bunch of widgets installed in running? Are you using TouchWiz, or another launcher? You can use an app such as Watchdog or the built in Task Manager to see if any apps are taking up a bunch of CPU time as that is what will cause more of a perceived slowness compared to high memory usage.
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I did that tutorial so I am using launchpro. The only extra apps I have installed BESIDES what was needed ffor the tutorial are angrybirds, robodefense, doubletwist(with all of my music),snesoid, romgripper, and I think that's it. Nothing too crazy. Is there anyway to check if that whole voodoo thing worked? Or if I did the tutorial correctly? Oh wait, isnt there like a bench mark tester orsomething?
shorto85 said:
Watchdog is a great app for narrowing down CPU hungry apps.
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The only widget I have is for doubletwist. But it doesnt consistently run just by having the widget on my homescreen does it? Do I still need an extra task killer app?
mexiken said:
Your question has nothing to do with development, thats why it doesn't belong.
OSMonitor also works well. Sounds def like an app. Task killers, lookout (an app) and virus free (app also) have been known to cause issues and are generally culprits of lag issues. Check to make sure those aren't installed
Sent from my SCH-I500 using XDA App
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See above comments. Do I really need a task killer?
no don't use a task killer, he was saying that is the mistake ppl make
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devlp1213 said:
no don't use a task killer, he was saying that is the mistake ppl make
Sent from my rEVOlution Fascinate using XDA App
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Then what can I do to ensure my phone is running correctly? Cause it really doesnt feel like it is.
Try Watchdog or another app that records cpu usage and see if you have a rogue app hogging cpu time. Even before installing a new rom that was cleaned up and a new kernel, I didn't have any significant lag or anything, so I'd guess that you have something running in the background causing your issues.
His lag could be from rfs working too hard.
Install one of geeknik's stupid fast kernels or install one of jt's voodoo5 kernels if you want to convert rfs to ext4. rfs and stock kernel tend to generate ridiculous lag.
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times_infinity said:
His lag could be from rfs working too hard.
Install one of geeknik's stupid fast kernels or install one of jt's voodoo5 kernels if you want to convert rfs to ext4. rfs and stock kernel tend to generate ridiculous lag.
Sent from my SCH-I500 using XDA App
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That is only true if he has an app that is constantly writing which means the above suggestions to find said app are the best. Also on regards to kernels only voodoo kernels will address rfs problems. Only voodoo.
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@adrynalyne If you can , let me know if there are special steps for that thing you sent me. Not getting past the samsung logo everytime.
Thanks!

Task killer

Does anyone use them?
Heard from some guys at verizon they can actually be bad for your device not sure if I believe that so what is your opinion ?
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Care to explain why they're bad for your device?
As yes, I use them
Well he said on newer devices they can slow them down , I was super convinces by this either
Sent from my Nexus 7 using xda app-developers app
It does more bad than good. Its forcing applications to be removed from the memory. Which is uneeded as android will handle its own memory there is no need for you to use a task killer. When you clear apps from the recent apps list.. that does the same thing as a task killer.. but natively. It will remove the apps from the background and will indeed stop them. Dont worry about task killers.
ÜBER™ said:
It does more bad than good. Its forcing applications to be removed from the memory. Which is uneeded as android will handle its own memory there is no need for you to use a task killer. When you clear apps from the recent apps list.. that does the same thing as a task killer.. but natively. It will remove the apps from the background and will indeed stop them. Dont worry about task killers.
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So use or not to use?
You can use it.. Am using it with any problems..
Wilks3y said:
So use or not to use?
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Really... No, that whole post was the reason why. its still up to you to decide.. but i vote no.
Nice yea I'm feeling no just wanted community opinion
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Exactly what ÜBER said, task killers are a no-no.
In theory they slow your device down, cause extra battery drain and are not needed since eclair 2.1.
They remove running services which the device loads back up into memory again using CPU cycles which uses battery.
Leave android handle all memory, it has had a major overhaul since it was first created.
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V6 supercharger for i9505?

Is it possible to have some kind of V6 supercharger mod for i9505 too?
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Why would u need this ?
The phone is damn near light speed already.
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You don't need that...
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Okay.. but i see ram usage is high from time to time..
So why not ??
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joeherlev said:
Okay.. but i see ram usage is high from time to time..
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High Ram usage is great. It means a lot of stuff is being cached and ready to execute in an instant when you want to.
What's the point of having a 2GB phone while only using a fraction of it...
So why not ??
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Because those apps/scripts usually do more harm than good...
I have a S4 and I have it set on max 500
CPU DONT ASK HOW LOL... And my phone is hyper fast.......
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joeherlev said:
Okay.. but i see ram usage is high from time to time..
So why not ??
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Please unlearn those misconceptions about Android RAM usage.
Unused RAM is wasted RAM.
Android, like Mac OS and Ubuntu, wants to use all the RAM it can, because that's how it was designed to work. There are settings (in Android we call them "minfree" settings) to tell the system how much RAM to leave free and available, but the rest is designed to fill up as fast as possible and stay that way.
You're probably thinking "What's it filling up with?" That's a great question. After the system, graphics, radios, and any other tweaks to RAM are done loading, the rest is there to load apps into memory, right up to the point where the OS says to stop. Load the app as it's being used, and keep it there for the next time until it needs flushed to free space for something else. The more you use the system, the better it gets at keeping the right things loaded and ready to go. Think about how you use your phone -- you might have 100 apps installed, but there are a few you always are opening and using. Eventually, most of those apps will be stored in your RAM, simply because you're always opening them and loading them into the RAM if they weren't already there -- and "erasing" other apps that were there first. Loading an app from your storage takes longer, is harder on the battery, and overall worse than loading it from it's cached position in RAM.
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SOURCE...
Not the best explanation but should help turn the tide...
Gillion said:
Please unlearn those misconceptions about Android RAM usage.
SOURCE...
Not the best explanation but should help turn the tide...
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Click to collapse
free ram is not wasted. you are the one who has misconceptions
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hisname said:
free ram is not wasted. you are the one who has misconceptions
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OK... within a specific context we are both correct.
So let me make my context more clear.
Unused ram is wasted RAM... if that is the wording most accurate.
If the RAM of your device has most of your favorite apps in background running or cached... its better for the system... rather than constantly loading it fresh from NAND and pulling last computed data from cache.
Lag can kick in when an app that is currently running (such as top line games) needs more space and it has to wait on the os memory manager to clear out background apps that haven't been used for a while... ugghh
Recently for early GS4 ROMS with the camera crash issue, when RAM falls below 200-Megs... the memory manager is too slow to free up enough "used" RAM for the Camera app causing a very slow and laggy camera or worse reboot of the device.
One work around is to use developer mode and limit the number of processes to 4... thus a minimum amount of "free and unused" ram was assured and the camera would not load slowly or reboot the device when loading,
It seems like this whole unused ram issue will always be with android until we get phones with 4Gigs of RAM... yeah righ;pt

[Q] S4 RAM Question

Just have a quick question iv'e heard that on the s4 that touchwiz takes up a lot of ram from the 2gb available does that mean if i install another ROM will give me more ram to work with ?
Yes ,but Android is not Windows. Free RAM is wasted RAM. Without touchwiz and the Samsung bloat give you more space on infernal SD. If Android need RAM so the low mem killer kicks in and clean unused apps.
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H0[)iNi said:
Yes ,but Android is not Windows. Free RAM is wasted RAM. Without touchwiz and the Samsung bloat give you more space on infernal SD. If Android need RAM so the low mem killer kicks in and clean unused apps.
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ok thanks for the reply csn you have multiple apps open and still be lag free and smooth?
Youngpuzzlez said:
ok thanks for the reply csn you have multiple apps open and still be lag free and smooth?
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Depends on how many apps are open and what rom because if have a custom boalt free rom you will not have any laggs but if you have a device filled with apps like sammy rom you sometimes might have some laggs
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medoooooo said:
Depends on how many apps are open and what rom because if have a custom boalt free rom you will not have any laggs but if you have a device filled with apps like sammy rom you sometimes might have some laggs
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ok thanks for helping

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