[Q] 4.3 high RAM usage? - Samsung Galaxy Nexus

I did fresh install of 4.3 and it runs very nice... well until it runs out of RAM.
I`ve noticed this couple of times that device slows down and when I press home icon there`s nothing on the "desktop" only launcher apps icon and I have to wail couple of seconds while thing loads into memory...
I don`t have many 3rd party apps and have disabled some on the system side.
When problem occurs I can see in Settings that there is only 30-40MB of RAM left.
For an example I was surfing today (system browser) while listening to music with doubletwist music player and doubletwist suddenly stopped playing because it was stopped to free some memory for browser...
Anybody noticed this too?
There is obviously a high memory usage on 4.3. Any advice for this?
I`m running stock unrooted
Sorry for my bad english

ciao sei italiano vero? Cmq io ti consiglierei di aspettare la cyanogen 10.2 è sempre meglio ottimizzata rispetto alla stock, I have the same problem with 4.2.2 but with greenify(app) and lagfix free, is partitially solved, or you can try to set 4 app backgroud in developer option and disable all animation in developer option

ram usage should be fine on stock. on cm10.2 this is the situation after 50 hours of uptime
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shriom_manerker said:
ram usage should be fine on stock. on cm10.2 this is the situation after 50 hours of uptime
Click to expand...
Click to collapse
I hope you're not saying that screen shot is an example of fine, you've got basically no memory free.
Memory use in 4.3 is definitely higher. You can pretty much forget about multitasking with Chrome now, as soon as I start using it other apps start getting killed left and right.

pfmiller said:
I hope you're not saying that screen shot is an example of fine, you've got basically no memory free.
Memory use in 4.3 is definitely higher. You can pretty much forget about multitasking with Chrome now, as soon as I start using it other apps start getting killed left and right.
Click to expand...
Click to collapse
Think you might have hit on the magic word.... Chrome (or any other browser). On the Xperia forum lots are noticing that browsers (all of which open @ about 40MB ram usage) are just continuing to grow in ram usage, even when not being used, to ridiculous levels (100's of MB)
Maybe you could take a look at individual process ram usage and report back.... Curious to see if there's the same happening on GNexi
sent from my still superb Google I/O 7510 (xda hd)

pfmiller said:
I hope you're not saying that screen shot is an example of fine, you've got basically no memory free.
Memory use in 4.3 is definitely higher. You can pretty much forget about multitasking with Chrome now, as soon as I start using it other apps start getting killed left and right.
Click to expand...
Click to collapse
what i meant was , it is definitely high on cm10.2 roms but its fine on stock roms and stock based custom roms like catacalysm, the free ram is about 120 mb even after 50 hours of usage but on cm 10.2 and other JSS15J based roms its really crazy and phone runs out of memory

tanasczn said:
You can pretty much forget about multitasking with Chrome now!!!
Click to expand...
Click to collapse
Almost all the browsers are facing memory issues.
I use a few other browsers like Dolphin and UC and even they are eating up memory
Especially during downloads, these browsers crossed 170MB RAM usage :cyclops:
You can send feedback to help the devs to help them with this.
But I'm sure they have already started working on these issues.

tanasczn said:
You can pretty much forget about multitasking with Chrome now!!!
Click to expand...
Click to collapse
neerajvd said:
Almost all the browsers are facing memory issues.
I use a few other browsers like Dolphin and UC and even they are eating up memory
Especially during downloads, these browsers crossed 170MB RAM usage :cyclops:
You can send feedback to help the devs to help them with this.
But I'm sure they have already started working on these issues.
Click to expand...
Click to collapse
So this pretty much confirms what i asked in post #5

Possibly related to DoubleTwist?
For an example I was surfing today (system browser) while listening to music with doubletwist music player and doubletwist suddenly stopped playing because it was stopped to free some memory for browser...​
I am running stock rooted 4.1.1 on my toroplus and am only posting here because DoubleTwist (DT) was mentioned in OP. DT must be a memory hog because when I try to stream music with DT over BT simultaneously with Google Nav, DT and Google Nav seem to knock each other out of memory, i.e., sometimes DT will quit while Nav remains running and other times Nav will quit while DT remains running. Bottom line is both apps won't stay running simultaneously for any appreciable length of time.
I then used Poweramp for BT streaming and experienced no such issues, that is, I can listen to music and turn-by-turn nav directions at same time w/o apps killing each other off.

.....uh.... JSS15J isn't a build for the gnex. JWR66Y is.
a manta sent this.

I'm running 4.3 (second update) on a stock galaxy necus ROM (takju) and my free ram nowadays is 18MB
When i restart the phone i get about 350MB of RAM free, which immediately start decreasing as i use the phone until it gets to the 18MB.
I know i ran out of memory when i press the home button and i have to wait for the items to be drawn on the desktop again ... I'm considering flashing back to original 4.3 or 4.2 because of this

Free ram is idle ram... Having free ram means its lazy and not doing anything. High ram usage simply means apps are stored in it... Shouldn't really concern yourself with ram.
Sent from my Galaxy Nexus using xda app-developers app

cstrife999 said:
Free ram is idle ram... Having free ram means its lazy and not doing anything. High ram usage simply means apps are stored in it... Shouldn't really concern yourself with ram.
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
...but having more idle RAM means you have space for more running background apps, i.e. apps will be less probably closed and cleared out of RAM. If one really runs that many app, the difference of free RAM actually tells.
And my GNex always has ~500MB free RAM (not just after boot!), ready for action.
Sent from Google Nexus 4 @ CM10.2

cstrife999 said:
Free ram is idle ram... Having free ram means its lazy and not doing anything. High ram usage simply means apps are stored in it... Shouldn't really concern yourself with ram.
Click to expand...
Click to collapse
No, the memory is being used up by the system not by apps. The system should use as little memory as possible so that it is available to your apps. Wasted memory is as bad as fee memory, either way it's not being put to proper use.

so basically there's a lot of talk about this,a lot of people with the same problem and no solution whatsoever !?

AndyYan said:
...but having more idle RAM means you have space for more running background apps, i.e. apps will be less probably closed and cleared out of RAM. If one really runs that many app, the difference of free RAM actually tells.
And my GNex always has ~500MB free RAM (not just after boot!), ready for action.
Sent from Google Nexus 4 @ CM10.2
Click to expand...
Click to collapse
Can u tell me how u get so much free ram.
sent from a phone running on SLIM ROM

This is my ram usage before and after a game my phone still runs smooth and fast as someone said left over ram is lazy if you have left over ram be great full. Touchwiz always uses alot of ram from my experience
Sent from my SAMSUNG-SGH-I317 using XDA Premium 4 mobile app

DaveyRepairs said:
This is my ram usage before and after a game my phone still runs smooth and fast as someone said left over ram is lazy if you have left over ram be great full. Touchwiz always uses alot of ram from my experience
Sent from my SAMSUNG-SGH-I317 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Sent from my SAMSUNG-SGH-I317 using XDA Premium 4 mobile app

atishey23 said:
Can u tell me how u get so much free ram.
sent from a phone running on SLIM ROM
Click to expand...
Click to collapse
Advanced Task Killer Pro (kill ALL apps except Launcher and IME) and Autostarts (ban most auto-start privileges for apps, prevents apps from eating up memory automatically).
Do note that this is not practical for daily use, as this may sacrifice some functionalities (e.g. Bluetooth file transfer function). I don't use my GNex as my primary device so it doesn't matter for me. You can still get ~400MB free RAM if you don't ban privileges related to functionalities.
Sent from Google Nexus 4 @ CM11
---------- Post added at 07:36 PM ---------- Previous post was at 07:35 PM ----------
DaveyRepairs said:
This is my ram usage before and after a game my phone still runs smooth and fast as someone said left over ram is lazy if you have left over ram be great full. Touchwiz always uses alot of ram from my experience
Sent from my SAMSUNG-SGH-I317 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
...It doesn't look like you have a GNex...
Sent from Google Nexus 4 @ CM11

I wouldn't recommend to use a task killer.
A better solution is Greenify which hibernates the app if it is in background. It's using less RAM when hibernated but it is started pretty fast if needed.
Another solution would be to flash a big memory kernel, or use ZRAM.
You can also try Android 4.4 where the RAM management improved a lot.

Related

forget task managers - use memory boost

i have been in search for something to speed up the desire and decided that task managers just **** your phone up .... I was surfing the web the other day for new programs to use and came across a program called "memory boost" ITS SUPERB .... the lite version is free and available on market
the phone since installing is so fast and definately stable ... I upgraded to the full program for $1.99 (click upgrade on the program)
the program keeps your ram at a optimal level ..... it doesnt cause the phone any issues and its remained stable unlike a lot of task managers
the upgrade is via paypal and not the market - I was initally worried but shouldnt have been cos as soon as I paid the link arrived via email at the same time as the paypal confirmation - the download is via pc as you cant do it via your phone
HIGHLY RECOMEND
was going to download it and try it, but i seriously can't find 1 decent review
"Probably does work for most people, but just slowed the system"
"It freed mem on myTouch3G but killed some apps I wanted running! Then graph shows the mem is taken back up? Pointless! Not needed!"
"just killed everything, even my Atk manager then want a $1.99 for full version. ...junk"
it must have been improved since you used it - it really speeds up the system and it hasnt killed anything important ...
as said when i used task killers it screwed my phone up .. touch wood it is running like a well oiled machine
Where do I get this?
-------------------------------------
Sent via the XDA Tapatalk App
"the phone since installing is so fast and definately stable"
Does that mean the Desire without this app isnt fast enough and isnt stable (keeps crashing)?
Search memory boost in market top application
If you like it defo suggest upgrade to pro version which is done via app press menu when in app and follow instructions
-------------------------------------
Sent via the XDA Tapatalk App
no it means that it sometimes lags ..... happy with normal speed but a boost is always good !!!
plus task killers makes the phone unstable (what i meant not the desire)
i have bought the app...gonna try it out....
This sounds a lot like a commercial from the creator of the program.
"Have you always had trouble getting your Desire to run fast? Well, not anymore. Try Ultraboostfastmegasuper optimizer! It will improve your mom."
Sorry if this offends anyone, but someone saying "I really think you should consider buying it" gets my guard up.
By the way. Autokiller does the same and is free ;o)
Auto killer made my phone unstable. Been using this for a few days had no problems what so ever
-------------------------------------
Sent via the XDA Tapatalk App
You will most probably find its an automatic task killer, seeing as the only way to free up RAM is to actually stop processes from using it, it will be killing tasks in the background rather than letting the user select them via a UI like most do. In my opinion best avoided. I won't be using it, just let Android do what it does, and reboot yer phone every couple of days and all will be well.
-------------------------------------
Sent via the XDA Tapatalk App
http://geekfor.me/faq/you-shouldnt-be-using-a-task-killer-with-android/
This sounds a lot like a commercial from the creator of the program.
"Have you always had trouble getting your Desire to run fast? Well, not anymore. Try Ultraboostfastmegasuper optimizer! It will improve your mom."
Sorry if this offends anyone, but someone saying "I really think you should consider buying it" gets my guard up.
By the way. Autokiller does the same and is free ;o)
Click to expand...
Click to collapse
Yeah.he is just selling it.i've seen posts like this before.
-------------------------------------
Sent via the XDA Tapatalk App
have the decency of posting it in themes and apps
does using apps to kill open processes make the phone unstable?? I've been using advanced task killer for over 1 month and so far my phone is fine, i open it after several hours to find maybe 12 apps open, meaning I would have maybe 40mb or 50mb free.. then after killing all open up it jumps to 150mb free.
If google has designed the phone to handle open apps properly then why does the ram memory get so low??
any info would be great - I like learning new stuff
It doesn't /get so low/
THAT'S THE WAY LINUX WORKS
1. Overview of memory management
Traditional Unix tools like 'top' often report a surprisingly small amount of free memory after a system has been running for a while. For instance, after about 3 hours of uptime, the machine I'm writing this on reports under 60 MB of free memory, even though I have 512 MB of RAM on the system. Where does it all go?
The biggest place it's being used is in the disk cache, which is currently over 290 MB. This is reported by top as "cached". Cached memory is essentially free, in that it can be replaced quickly if a running (or newly starting) program needs the memory.
The reason Linux uses so much memory for disk cache is because the RAM is wasted if it isn't used. Keeping the cache means that if something needs the same data again, there's a good chance it will still be in the cache in memory. Fetching the information from there is around 1,000 times quicker than getting it from the hard disk. If it's not found in the cache, the hard disk needs to be read anyway, but in that case nothing has been lost in time.
Click to expand...
Click to collapse
The percentage of RAM used by the cache doesn't affect in any form or shape the battery or the performance of your phone, since it will be freed when another app needs it.
The only point of Task Killers is to kill background apps that may consume CPU % (but then again, if they're coded the way they're supposed to, it doesn't happen.)
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Fitting picture.
http://www.linuxatemyram.com/
koolbear said:
i open it after several hours to find maybe 12 apps open, meaning I would have maybe 40mb or 50mb free.. then after killing all open up it jumps to 150mb free.
Click to expand...
Click to collapse
It's an intelligent utilization of resources!
Android will keep stuff in memory whilst it can to improve performance, and will start killing things of itself if resources get too low. Note that just because an app is open and "consuming" memory doesn't mean it is consuming CPU cycles and battery power.
Having loads of free memory is actually just a waste of resources.
Regards,
Dave
Hmm.. no 'fence but sounds a little like a sales pitch to me.
-------------------------------------
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I don't use so called cleaners, and their idea's aren't factual. I do use one basic app to kill two very rarely used installed apps which start running at boot without giving an option to disable, since they maintain a CPU wake lock losing me heavy battery-life.
It is also used to kill processes that are running in the background and not emptying their cache, when my storage memory falls to 15MB due to their heavy cache use (occurs rarely), and so when I need to install some app but it won't install giving me the low memory warning (where emptying cache through App Manager in Settings doesn't work).
Last use is for three buggy apps, one being the Chrome browser, which at times takes my memory down to 5% in use, and after throwing it to low priority through the back button because I need to use another app, won't let go of that memory space for other apps and so many apps start crashing including Sense, and others fail to open complaining of low memory, until I manually kill it. The automated kernel management doesn't suffice here and a task manager is useful here.
Other than that, avoid them like most "cleaners" for Windows with a PC. As someone said, maximizing use of available resources like OS memory is an efficient scheme overall.
-------------------------------------
- Sent via my HTC Desire -
foxmeister said:
It's an intelligent utilization of resources!
Android will keep stuff in memory whilst it can to improve performance, and will start killing things of itself if resources get too low. Note that just because an app is open and "consuming" memory doesn't mean it is consuming CPU cycles and battery power.
Having loads of free memory is actually just a waste of resources.
Regards,
Dave
Click to expand...
Click to collapse
mate thanks for clarifying what you, sruon and others have said makes total sense.. so I'll sit back and allow the device to handle ram memory by itself.

[Q] Memory management

Hi Arc Users,
Do you guys encounter low memory after long period of usage? It seems like the memory does not free up after using the phone for a long time. I mainly use the phone for FB, Camera and messaging.
When the phone hits like 50+MB ram or so it starts to slow down and if it goes lower than 40MB my home screen starts to lag and the app icons take a few secs to load every time i return to home screen. I'll usually reboot the phone but its quite a pain considering the boot timing for my phone is rather long, like close to 1 min.
What are the possible solutions? I've heard that advanced task killers are unnecessary for Gingerbread. If thats the case, how do I free up more memory or have better memory management for the Arc?
Am a first time android user, appreciate any advice from you guys
Thanks!
___________________
+1
Root is the solution. Delete apps and services which you do not use.
I haven't any problem either when free ram goes down to 30MB and i don't use a taskiller.
Just what are you doing when you run out of ram? Never did I run out of ram yet. Running ram hungry games will free up more what is needed as I experienced. When I return to homescreen, it takes a while (around 2 secs) because it will free up ram from the game, then load the homescreen launcher from start/scratch.
Same here but my Arc works fine, even with 30-40MB RAM, so it isn't a real problem.
But it would be nice from SE to make 400-450MB of the 512MB RAM available for the user.
Sent from my LT15i using XDA Premium App
Flo95 said:
But it would be nice from SE to make 400-450MB of the 512MB RAM available for the user.
Sent from my LT15i using XDA Premium App
Click to expand...
Click to collapse
What? That is a completely pointless excercise if you understand how ram is handled by the os.
You need to root and remove bloat, check ya settings etc to get better performance. I found letting things constantly access the network was a juice eater, I don't want fb to check every 4 seconds, I update it when I want to read it lol
I use a task manager, but only because I like to see what is running and using resources. I rarely actually kill any apps, just occasionally a few things I rarely use. Even then it fills the space with other stuff.
:edit: sorry flo95, that sounded a bit crappy, no bad attitude was intended.
Sent from my LT15i using XDA App
This is the solution...https://market.android.com/details?id=com.lim.android.automemman&feature=search_result
not a task killer... a memory manager that enhances googles memory management.
mariolouis said:
Just what are you doing when you run out of ram? Never did I run out of ram yet. Running ram hungry games will free up more what is needed as I experienced. When I return to homescreen, it takes a while (around 2 secs) because it will free up ram from the game, then load the homescreen launcher from start/scratch.
Click to expand...
Click to collapse
I do not play games with my Arc. I just used facebook, MSN, Camera and messaging occasionally throughout the day. Medium usage.
It runs smoothly for several days but maybe after a week or two, the RAM starts to get low.
im_iceman said:
This is the solution...
not a task killer... a memory manager that enhances googles memory management.
Click to expand...
Click to collapse
Thanks! Working so far... will monitor after a week or so.
Try a cache cleaner also will free up some space for ya
Sent from my LT15i using XDA Premium App
I use battery guard as a task killer. It comes with a widget where you can see the available amount of ram.
I'm happy about it. Though a lot of people say a task killer doesn't help I have no negative experience using this one... and I never go below 130 ram.
I still think it does help to close tasks that otherwise keep running in the background... But I'm new on android so I could be wrong.
Hey guys
Have you tried this script
http://forum.xda-developers.com/showthread.php?t=1111145
maybe this can help w/o having to install apps or task-killers. Should work on Xperia Arc but I don't guarantee it.
That script seems to do basically the same thing as auto memory manager.. (per my previous post..)..
PS.. I currently have mine set to aggressive.

[Ask]Hiw i can Optimize my RAM

Hi i want to ask
How to optimize my phone RAM i use v6 supercharger but my ram is still 163mb
I use 4 messenger Catfizz,Line,yahoo,facebook
Thanks before:beer::beer:
Sent from my GT-S5360 using xda premium
Use adrenaline engine
Sent from my GT-S5360 using XDA
Technically, it's hard to tell the difference performance-wise. Android does it's own memory management, but also it won't hurt anyone if you try RAM tweaks and see the result for yourself.
Chamiakas said:
Technically, it's hard to tell the difference performance-wise. Android does it's own memory management, but also it won't hurt anyone if you try RAM tweaks and see the result for yourself.
Click to expand...
Click to collapse
remove facebook, yahoo, and all other apps that runs on the background,
even if you have v6, the apps still runs in the memory
no matter what ram tweak you do if you have background hog memory apps and due to the limitation of our device you shall fail
deathnotice01 said:
remove facebook, yahoo, and all other apps that runs on the background,
even if you have v6, the apps still runs in the memory
no matter what ram tweak you do if you have background hog memory apps and due to the limitation of our device you shall fail
Click to expand...
Click to collapse
I did not quite get that you said there, but I didin't encounter a single problem due to low RAM. Of course it can be because I don't usually run a lot of apps at once.
Thx but i very loves facebook app
Sent from my GT-S5360 using xda premium
if you are much conscious about ram then never use and go product they are the hogger beast
check every app's ram consumption then you their alternative with less ram consumption
if you love ics keyboard, then there are 2, one uses about 10 mb and other uses about 20 mb
Chamiakas said:
I did not quite get that you said there, but I didin't encounter a single problem due to low RAM. Of course it can be because I don't usually run a lot of apps at once.
Click to expand...
Click to collapse
even if you don't run the app, they actually run on the background doing things you don't know, consuming your battery and your ram
Death notice can u make a theme for M.U.R v2 with blacksense?thanks
:beer::beer::beer::beer:
Sent from my GT-S5360 using xda premium
deathnotice01 said:
even if you don't run the app, they actually run on the background doing things you don't know, consuming your battery and your ram
Click to expand...
Click to collapse
Well, thats true, but the RAM is meant to be cached (fully used) for quickly launching the desired application.
Best way to optimize RAM for starters is to monitor your background, cached and running processes well. First, freeze stock background running bloatware using TB. Mainly DRM content (some say it messes with ringtones and stuff but I never experienced that), wsynclmps, syncmIDs, maps (unfreeze it only when needede), software update(this really doesnt help and is waste of RAM+space), pico TTS , TTS service(these two are for voice to text conversion and are literally not much used), samsung account(is waste compared to play store), two email ones (use gmail app these dont help much), social hub , samsung push service.Choose adrenaline engine if you want multi tasking and v6 if you want more free ram.You can mix both of them but its risky and needs some scripting skills to remove the conflicts they make and highly NOT recommended.
Chamiakas said:
Well, thats true, but the RAM is meant to be cached (fully used) for quickly launching the desired application.
Click to expand...
Click to collapse
completely agree with this one. less ram is not alway a good news in android system since it has unique RAM management. for quick acces and less RAM r/w some of app is stored in RAM's cache. SGY's default ram setting is already good enough for multitasking and gaming option. if you want a better performance in your device you don't need lesser RAM. instead of it you need a better memory and app management.
Thnks i use lessly ram now 121
Sent from my GT-S5360 using xda premium

AOKP RAM issues

i've have AOKP_JB_MR1_Build-6 and its been good.
My only complaint is the ram usage. I know most of you
guys are firm believers in letting the system manage the memory.
I enabled the the ram bar in the apps switcher, and
I constantly have 22 mb of ram out of 654 MB.
My phone constantly feels slow and lags.
When I clear all the apps, and regain Ram
my phone feels speedy, and runs good.
A phone with 1GB of Ram shouldn't be slow
or eat this much ram. Are there bugs or what?
Thanks guys
beniamin said:
i've have AOKP_JB_MR1_Build-6 and its been good.
My only complaint is the ram usage. I know most of you
guys are firm believers in letting the system manage the memory.
I enabled the the ram bar in the apps switcher, and
I constantly have 22 mb of ram out of 654 MB.
My phone constantly feels slow and lags.
When I clear all the apps, and regain Ram
my phone feels speedy, and runs good.
A phone with 1GB of Ram shouldn't be slow
or eat this much ram. Are there bugs or what?
Thanks guys
Click to expand...
Click to collapse
@beniamin it doesnt lag for me at all even with high ram usage i got like 4 mb free right now and it runs butter smooth lol fyi -im running it with purity v30 kernel
It's partially an AOKP thing and also a 4.2 thing. AOKP and CM always ate more RAM for me since ICS.
On stock 4.2, ram management is also bad.
Everyone like to say android bla bla bla manages RAM well bla bla bla.
Android manages RAM well IF the core system doesn't rape RAM.
So basically the android uses some ram. And leaves the remaining ram for caching apps all the time. Now when the system runs out ram, the phone will kill an app to free RAM. Sounds good right? Well, the problem is that on 4.2, the system eats up so much RAM that apps don't even get a chance to be cached. And when you switch over to another app the system will kill other apps first then launch your requested app. This whole process takes a long time as the system is now hogging more ram all the time.
The best part is the system will continue to leak more and more ram as uptime increases.
As 4.2 have so many RAM leaks,the only quick solution will be to use a 4.1 rom.
I measure RAM used like this, works pretty well. Go to settings - apps - running. The blue is Android system + services. Services are apps that will not be killed unless absolutely necessary. Gray is not exactly "free RAM". The gray portion is the amount of RAM the system can use for caching purposes. You actually want the gray portion to be as high as possible.
A picture of 4.1 and 4.2 can sum this entire paragraph xD
I use stock 4.1 and 4.2 as comparison as custom roms almost always have higher ram utilisation.
On stock 4.1,
{
"lightbox_close": "Close",
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
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On stock 4.2
Sent from my Galaxy Nexus using Tapatalk 4 Beta
What's going on?
Linux is borrowing unused memory for disk caching. This makes it looks like you are low on memory, but you are not! Everything is fine!
Why is it doing this?
Disk caching makes the system much faster! There are no downsides, except for confusing newbies. It does not take memory away from applications in any way, ever!
What if I want to run more applications?
If your applications want more memory, they just take back a chunk that the disk cache borrowed. Disk cache can always be given back to applications immediately! You are not low on ram!
Do I need more swap?
No, disk caching only borrows the ram that applications don't currently want. It will not use swap. If applications want more memory, they just take it back from the disk cache. They will not start swapping.
How do I stop Linux from doing this?
You can't disable disk caching. The only reason anyone ever wants to disable disk caching is because they think it takes memory away from their applications, which it doesn't! Disk cache makes applications load faster and run smoother, but it NEVER EVER takes memory away from them! Therefore, there's absolutely no reason to disable it!
Why does top and free say all my ram is used if it isn't?
This is just a misunderstanding of terms. Both you and Linux agree that memory taken by applications is "used", while memory that isn't used for anything is "free".
But what do you call memory that is both used for something and available for applications?
You would call that "free", but Linux calls it "used".
Click to expand...
Click to collapse
AOKP and android respect this concept, AOKP use more ram because loading more App ( idk why ) on memory, there's no lag. The system will be more smooth and faster than before, because AOKP don't reload from disk app but "launch" from ram ( ram is alot faster than SSD ).
If this things cause lag, there's some "malformed" app that use resource.
d0ge01 said:
AOKP and android respect this concept, AOKP use more ram because loading more App ( idk why ) on memory, there's no lag. The system will be more smooth and faster than before, because AOKP don't reload from disk app but "launch" from ram ( ram is alot faster than SSD ).
If this things cause lag, there's some "malformed" app that use resource.
Click to expand...
Click to collapse
Doesn't matter what they say, if you feel that there is lag when you are using your phone, then there is lag, no 2 ways around it.
4.1.2 is more fluid than 4.2.2 with the same apps running for me, seems like a memory leak issue on 4.2.2, hopes 4.3 fixes this..
Here is the comparison of AOKP vs AOSP 4.2 ( dark and grey backgrounds accordingly). The setups are 95% identical - same apps, same usage pattern. After some time both needs to rebooted due to memory leaks
Sent from my Galaxy Nexus
g1DDriver said:
Here is the comparison of AOKP vs AOSP 4.2 ( dark and grey backgrounds accordingly). The setups are 95% identical - same apps, same usage pattern. After some time both needs to rebooted due to memory leaks
Sent from my Galaxy Nexus
Click to expand...
Click to collapse
i saw screen, but i don't think there are some memory leak, AOKP team hardly work over to fix them, anyway it's possible, but i used AOKP 4.2 for without any problem, without rebooting for days ( max uptime is 4 days )
d0ge01 said:
i saw screen, but i don't think there are some memory leak, AOKP team hardly work over to fix them, anyway it's possible, but i used AOKP 4.2 for without any problem, without rebooting for days ( max uptime is 4 days )
Click to expand...
Click to collapse
I was talking about memory leaks in Android in general (not AOKP related), and that's definitely the case with 4.2 The screens are for demonstration that AOKP needs more RAM to begin with. If you try most recent PA builds with halo, there you need even more memory. I guess it the price you pay for additional stuff under the hood
Sent from my Galaxy Nexus
my thoughts about this RAM issues:
https://plus.google.com/u/0/106590215548240805185/posts/MECZP5mqKfJ
beniamin said:
i've have AOKP_JB_MR1_Build-6 and its been good.
Click to expand...
Click to collapse
Why are you running an old build? Try updating to the 5/18 build or even Milestone 1 after a full wipe and don't restore any apps until you see if the RAM issue's still there.
Sent from my Mahjong Nexus
Try to reinstall another rom
Finally!! I thought it was just me. It was same for me on CM,AOKP,PA,AK47, all of them....I dont know why. I have greenify, plus I try to make sure least no. of apps run in background.
Finally switched to stock 4.2.2. Not a big issue now, very very rarely does it go below 80mb. Plus its fairly smooth. Oh well.....
I've never had lag issues with AOKP and ram
Try Using....
beniamin said:
i've have AOKP_JB_MR1_Build-6 and its been good.
My only complaint is the ram usage. I know most of you
guys are firm believers in letting the system manage the memory.
I enabled the the ram bar in the apps switcher, and
I constantly have 22 mb of ram out of 654 MB.
My phone constantly feels slow and lags.
When I clear all the apps, and regain Ram
my phone feels speedy, and runs good.
A phone with 1GB of Ram shouldn't be slow
or eat this much ram. Are there bugs or what?
Thanks guys
Click to expand...
Click to collapse
I run Aokp 4.2.2 Milestone Build with Franco Kernel, I was having a pretty similar issue not so much of the lag necessarily but my ram drain was unbelievable, well anyway i was on "Android Police" one day and was reading an article about apps running in background blah blah blah and came across an app recommendation called "GREENIFY" You go threw and hibernate a few if not all the apps that dont have anything to do with the system like Facebook or GMapps, Gmail Etc... and once they are grennifyed they will stay closed no random background data will start app untill you either open that app again or you go back in and ungreenify it, the only downfall (and only to some) is that, say you greenify facebook you will not receive instant notifications from a post or msg etc... Ive been using this for almost three months now, works awesome it remembers all the apps you greenify and will stay every time you reboot your phone,
---------- Post added at 07:51 AM ---------- Previous post was at 07:45 AM ----------
Rich8692 said:
I run Aokp 4.2.2 Milestone Build with Franco Kernel, I was having a pretty similar issue not so much of the lag necessarily but my ram drain was unbelievable, well anyway i was on "Android Police" one day and was reading an article about apps running in background blah blah blah and came across an app recommendation called "GREENIFY" You go threw and hibernate a few if not all the apps that dont have anything to do with the system like Facebook or GMapps, Gmail Etc... and once they are grennifyed they will stay closed no random background data will start app untill you either open that app again or you go back in and ungreenify it, the only downfall (and only to some) is that, say you greenify facebook you will not receive instant notifications from a post or msg etc... Ive been using this for almost three months now, works awesome it remembers all the apps you greenify and will stay every time you reboot your phone,
Click to expand...
Click to collapse
http://www.androidpolice.com/2013/02/15/new-app-greenify-keeps-rooted-devices-running-smoothly-by-hibernating-specified-apps-when-theyre-not-in-the-foreground/
Enjoy! Hopefully that helps.

High RAM usage?

I've noticed on my e975 EU version even with 0-1 apps open the ram free is only 1gb... Other phones have far more ram available including my previous nexus 4. Anyone else notice this? I often find with quite a few apps open I only have 2-300mb free
I've never seen less than 500mb free but its true. Never more than 1gb.
I checked earlier with 0 apps running it was at almost 1gb used.. what on earth is using almost 1gb!? If phones with only 1gb can use less than that on jelly bean.. why does this phone use so much?
According to ram usage i am using approx 400mb, task manager says im using 800mb. Maybe 400mb is reserved for system? This is on stock rom with only a few apps installed.
Keep in mind free ram is wasted ram. Free ram is like having a fast car and only using first gear. Still curious to know where it all ram is used nontheless.
Sent from my LG-E975K using xda premium
I get what your saying with 'Free ram is wasted ram' but when you run out of ram.... things will start to stutter.
Having a few apps open to find you only have like 300mb left is insane.
I've had phones with only 1gb ram before and with lots of apps open they are using like 700mb/1000mb... it's almost like this phone is going 'Oh I have 2gb available so i'm just going to chomp up 1gb for the sake of it and leave you with 1gb left....'
If you're root use an app called "Greenify". Simply hibernate the apps that don't use adding to the list of the app, then add the widget to hibernate the app that you added (all except whatsapp, twitter in my case). In addition I use a tasker manager (don't added to greenify) and add a widget too, that combination gave me 1,2 gb free using a lot of widgets
Im stock un-rooted.
I only have 2 widgets on my home screens, 1 is the standard world clock and the other is play music. Tried removing both and it barely made a dent...
kalo88 said:
Im stock un-rooted.
I only have 2 widgets on my home screens, 1 is the standard world clock and the other is play music. Tried removing both and it barely made a dent...
Click to expand...
Click to collapse
That's weird, only 900 mb free?? Mmmm, try using advanced task manager from the play store (I don't remember if root is needed), that will free you more memory. But in the 900 doesn't mean that the phone will be heavier, backward the used ram is exploited to make the Optimus lighter
Seems odd eh...
I also have 600 - 700 MB of RAM when I do not use anything.
There are just icons on my homepage, and a calendar widget (stock one).
At this case, It gives me 600-700 MB of free RAM. I always use "clear RAM" button. But why it gives us so limited free ram?
I used to use 4X HD with 1GB of RAM. There were 350-400 MB free which almost same with this optimus g?
Can someone explain this situation?
Or I think we need a new update. or CM10.1
It just feels like the phone is using up too much or isn't optimised properly.
As said above, phones with only 1gb available use about 3-500mb... Our phone with 2gb available seems to use about 900mb-1gb with nothing running. It's like it's gone 'Oh there's twice as much free so I'll just use twice as much...'
What about the AOSP custom Roms ...is the ram usage is same on that kind of Roms too?
Sent from my LG-P500 using xda app-developers app
No clue, i'm 100% stock unrooted Maybe someone will know.
My nexus 4 was far better at ram usage than my optimus g mind you. No matter what it never used more than 1.2gb
I think the Lg UI(stock firmware) is a memory hungry ...i suggest to try AOSP roms with lg skin :thumbup:
Sent from my LG-P500 using xda app-developers app
Using cm10.1 and have always about 1.4gb free, and this is more than enough for everything.
Y, stock rom have a crazy high ram usage, now im on PA and got 1.2gb free.
My doubt would be if, on stock rom, you get many slowdowns when you experience this high RAM usage. For me (who doesn't still have a LGOG, but is seriously thinking of buying one), it's the thing that matters most - if the lack of free RAM results in worse usage.
Otherwise, most efforts could do more harm than good - a task killer that kills an app which will restart seconds later is wasting RAM and battery instead of saving them.
I'd give priority to greenifying unruly apps you need often and freezing apps you rarely/never need but won't/can't uninstall (with Titanium Backup, or any other app that can freeze system apps) - always making sure you're not freezing some system app that will bring your phone to its knees. With this well configured, I'd say a task killer would only bennefit those of you that rarely use your phone. Everyone who often takes it out of their pocket and updates Facebook/Twitter or plays games should let Android take care of itself, as it will keep in memory the apps you've been using the most - as it should.
Don't use task killer apps, they aren't good for Android. Maybe something like a LMK Manager but you need root to change lmk.
kalo88 said:
It just feels like the phone is using up too much or isn't optimised properly.
As said above, phones with only 1gb available use about 3-500mb... Our phone with 2gb available seems to use about 900mb-1gb with nothing running. It's like it's gone 'Oh there's twice as much free so I'll just use twice as much...'
Click to expand...
Click to collapse
M$ Windows does the same thing - if you have 2GB it uses only the half, if you have 8GB is use nearly 3,5-4GB. I think it preloads a few things including the most common used apps in memory perhaps?

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