Ram managment problem - LG Optimus 4X HD

I have a weird problem on carbom rom and optimus prime kernel. My ram goes to 0kb free and several apps just restarting all time and this causes huge lag. After reboot it works for few days again and starts lagging then. Any suggestions?
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Kill them...Kill them all... I mean apps
Sent from my big and white LG refrigerator

Android should free part of it by itself. I have at least 150 MB free Ram on Vanir. There are some settings in build.prop or another config file where you can define how aggressive Android free your ram when it gets low on memory. Search on XDA
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Related

Excessive ram

Running:
Firmware: 2.3.4
Kernal: 2.6.35.7 hardcore speedmod 300hz
Cwm:2.5.1.0
Have encountered an excessive ram
problem even after clearing ram using task
manager, i am using autostarts aswell to
reduce but no,luck, i am at a loss, wether it
could be the galaxy running 2.3.4 i don't
know, any help would be much appreciated.
Sent from my E15i using XDA App
Do you have excessive ram or the other way around (less free ram than you're expecting) ?
And more than that .. don't you think you should share some real values with us?
For example, (I'm running GB JVP 2.3.4) when I'm bootong I'm getting about 130MB of free ram and in the normal usage the free ram reported by the system is ~80-100MB.
Currently in task manager sits around 250 280 lb of ram even after killing off apps. Im at a loss, thinking of just flashing darkys
Sent from my E15i using XDA App
you are fine .. this is the gingerbread behavior from what I know.
Ram is running all the time.Linux maked use of holding things in ram incase the application is used again. Anything in ram doesn't make the system slower, unless you are into precise control and into milliseconds of time-saving.
Adrian.
Sent from my GT-I9100 using XDA Premium App
Thought it might have been gingerbread, I might flash back to a 2.2 early Rom
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As I said before: Ram is there and powered up. Anything in ram does not use power because it it is used already by the ram.
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Alright but I've noticed that the more ram that's in use the slower my phone is.
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I've just fashed lite'nin 3.0 and I have no problems. 538 megs of ram is being used and the phone is not slow. I have noticed that some apps can cause a slow or stuttering phone. I have tried a lot of custom roms, Insanity, miui, stock on my sg1, cognition, darky's, stock and litenin on sgs2.
I'm keeping with litenin as I find it to be very stable, good battery and I have found no bugs.
Perhaps you could find out if an app is causing slowness? I have 271 apps and all run ok. Palmary weather caused problems so it's gone. Are you using any cpu frequency apps?
Adrian
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How to have more free ram ??

Which kernel should i choose ??
i use DjangoManouche 1.5 now
i have a total of 330mb ram only
any good idea i can do
I believe you have 330 mb because the rest up to 512 mb is reserved for system apps. So you can use root explorer and go to /system/app and remove some system apps you don't use and reboot the phone. Just be careful not to touch stuff that is required for the phone to boot. And no, I don't know exactly which these apps are. But here is a tip: I always remove gallery, news and weather, all google apps, music player, stock email, navigation software if there is any, live wallpappers, file explorer (not before getting another though) and everything that's about visualization in general. These things are safe to remove.
And btw the amount of free ram is pretty much irrelevant to the phone's work because the kernel tries to utilize as much ram as possible and then it gives it away to ram requiring apps for the moment. I am just trying to say that you need not worry about free ram if the phone is working correctly. And if it's not it is most likely not because of used ram but some app is not behaving as it should and is using the CPU too much.
You should consider using a kernel that has OTF settings or a RAMhack. I recommend Etana but for some reason I love Temasek's Kernel. They both have the RAMhack option. It basically takes some of the RAM that is reserved for your GPU and makes it available for your device so you'll have more RAM for running applications etc. You shouldn't set the RAMhack too high though, 32mb/48mb should be fine. Additionally you could freeze some system apps that you don't need and use an autostart-manager in association with a task killer to kill applications and not allow them to restart themselves.
Sent from my Optimus 2X using xda premium
xExabyte said:
You should consider using a kernel that has OTF settings or a RAMhack. I recommend Etana but for some reason I love Temasek's Kernel. They both have the RAMhack option. It basically takes some of the RAM that is reserved for your GPU and makes it available for your device so you'll have more RAM for running applications etc. You shouldn't set the RAMhack too high though, 32mb/48mb should be fine. Additionally you could freeze some system apps that you don't need and use an autostart-manager in association with a task killer to kill applications and not allow them to restart themselves.
Sent from my Optimus 2X using xda premium
Click to expand...
Click to collapse
thank,
but Temasek and Etana's kernel can use in 20s?
complete123 said:
thank,
but Temasek and Etana's kernel can use in 20s?
Click to expand...
Click to collapse
No.
And I heard that ramhack cannot be used with stock rom.
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googgiggs said:
No.
And I heard that ramhack cannot be used with stock rom.
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Click to expand...
Click to collapse
if some1 comes up with ram hack for stock based kernels ill be back to stock right away...
Gueste OC 1.8.1 stock kernel is awesome. Activate z ram in it and u will have really fast phone .
Sent from my LG-P990 using XDA
heavencanwait said:
I believe you have 330 mb because the rest up to 512 mb is reserved for system apps. So you can use root explorer and go to /system/app and remove some system apps you don't use and reboot the phone. Just be careful not to touch stuff that is required for the phone to boot. And no, I don't know exactly which these apps are. But here is a tip: I always remove gallery, news and weather, all google apps, music player, stock email, navigation software if there is any, live wallpappers, file explorer (not before getting another though) and everything that's about visualization in general. These things are safe to remove.
And btw the amount of free ram is pretty much irrelevant to the phone's work because the kernel tries to utilize as much ram as possible and then it gives it away to ram requiring apps for the moment. I am just trying to say that you need not worry about free ram if the phone is working correctly. And if it's not it is most likely not because of used ram but some app is not behaving as it should and is using the CPU too much.
Click to expand...
Click to collapse
What did I just read?
Don't do what was posted, you'll most likely break everything.
System apps uses system storage not ram. Deleting those apps will not give you more ram. But more system storage maybe.
Ram is used to save the current state of opened applications. Though the reason you only have 330mb left, is cause the gpu uses it as shared memory.
A ram hack is an option, as it reduces the amount of ram that goes to the gpu. But the use of a ram hack over 48mbs will break lots of things, such as recorder, camera and instability in games.
In all honesty, there is no use for a ram hack 330mb of ram is enough.
Sent from my LG-P990 using xda app-developers app
If you use DjangoManouche you have ram profiles, another option are to use swap, the benefits, i'm not sure there are
Like a previous post said.....android are coded to use all ram except the amount needed for system to run smooth, apps you open will then be stored in ram which are the fastest "sd card lol". Next time you open its from ram. If you use many apps its useful with much ram. After reboot you start all over again. If there's a memory leak you can get issues like lagging Best solution are to choose a profile with much ram for apps and not much more than nessesary for system
Our device gets better each day thanks to our amazing devs
Use guestekrnl 1.8.1 and enable ZRam, works a charm. See my recent post in the flix123 v20s thread as well.
What are you planning to do with the free ram?
Sell it on Ebay! :good:
tonyp said:
Sell it on Ebay! :good:
Click to expand...
Click to collapse
I was going to buy a new phone with it ):
Sent from my LG-P990 using xda app-developers app
KoolSavas95 said:
I only have 70Mb free Ram. Using stock. Any suggestions?
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Get rid of stock, lol.
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Dear god, when will people learn that free RAM is wasted RAM?
Hard to get rid of Windows habbit lol
Sent from my LG-P990
To have more free RAM means it has to take some from the normally non accessible system dedicated RAM. This way your device has less RAM for things like graphics which can worsen video playback and record performance.
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The opinion free ram is wasted ram is wrong. you should realize it from daily use. its because when you have for example 70MB free and you open browser with some tabs, some game, etc. it closes other apps you dont want or it closes some of the tabs in browser and you have to load them every time you switch them. you need enough free ram to open what you want without system automatic closing other and under 100MB really isnt enough
Subhannn said:
Task manager
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Click to collapse
Hell no!
tomsi91 said:
The opinion free ram is wasted ram is wrong. you should realize it from daily use. its because when you have for example 70MB free and you open browser with some tabs, some game, etc. it closes other apps you dont want or it closes some of the tabs in browser and you have to load them every time you switch them. you need enough free ram to open what you want without system automatic closing other and under 100MB really isnt enough
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Click to collapse
Hell no!
This doesn't make sense. The system will get you the ram you need whenever you need it.
Sent from my LG-P990 using xda app-developers app

[Q] Gaming Issues (Frame Drop)

Hello,
i have a big problem with my LG-Device.
I want to play the game Shadowgun THD, but i get always very heavy frame drops... few seconds later the game run smoothly.
Same Problem in GTA 3 (with MEDIUM settings -.-) -> On a Samsung Galaxy S2 it runs perfect
Is this Problem normal or have i a few Problems with my Hardware? Would an Custom rom (already available?) help?
Thanks for help (and sry for my bad English )
t4ggno
My Device:
LG Optimus 4X HD
ROM: Stock
Firmware: V10f (EU)
Try normal version of Shadowgun, GTA is not optimized i think..
Sent from my LG-P880 using xda premium
reas0n said:
Try normal version of Shadowgun, GTA is not optimized i think..
Sent from my LG-P880 using xda premium
Click to expand...
Click to collapse
But is the THD-Version not a speciel Tegra 3-Version?
Than must be Need for Speed Most Wanted also not optimized, because i have there problems too :/
i don't know why, but normal version is working better for me..
havasc anaconda
reas0n said:
i don't know why, but normal version is working better for me..
Click to expand...
Click to collapse
Okay, i will try it )
But what can i do by need for speed or gta? Because i bought the LG for Tegra 3 (i like Nvidia^^) and for gaming...
EDIT:
is it normal, that i have after a restart only 350 MB RAM free?
t4ggno said:
is it normal, that i have after a restart only 350 MB RAM free?
Click to expand...
Click to collapse
well i use xda assitt app and found out my ram is about 977mb so i use an app that manage the ram to reduce the strees and work out ok and also check your startup app they also use alot of ram after restart
Sent from my LG-P880 using xda app-developers app
dfreake said:
well i use xda assitt app and found out my ram is about 977mb so i use an app that manage the ram to reduce the strees and work out ok and also check your startup app they also use alot of ram after restart
Sent from my LG-P880 using xda app-developers app
Click to expand...
Click to collapse
Okay.. 977 sounds great
Which programms did you use to manage?
Play store tells me shadow gun isnt compatible with my device?!?
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I'm just going to troll by and tell you that my O2X runs both games maxed out with no lag
Sent from my LG-P990 using xda app-developers app
my gta3 doesnt lag once, maybe only very few times when phone is pbobably checking other things on background. Graphics are set on max.
profyler said:
my gta3 doesnt lag once, maybe only very few times when phone is pbobably checking other things on background. Graphics are set on max.
Click to expand...
Click to collapse
Okay.. i think i will set the phone to default an try again.. if this wouldnt solve my problem, i send my phone back and want the money!

[Q] CM10 Memory Footprint & Reboots

Hi,
I have a P1000 with CM10 (Humberos and Alroger) and I'm very pleased with this ROM.
It's such a difference if compared with GB that it really looks like having a new device.
There is one problem though that I'm not sure can be fixed: the random reboots.
I've dig a bit and apparently reboots are related to the lack of memory.
Analysing the available memory indeed I noticed that it easily goes around 50-70Mb which doesn't seem to be that much and probably this is the root cause of the random reboots.
I've enabled zRAM with a compression rate of 35% but this doesn't seem to have solved the issue.
So I'm wondering why nobody else is actually talking about this issue. Is the majority of P1000+CM10 users not having this issue?
Or it's just that we can't do anything about it and therefore we have to live with this?
In no way this post wants to be a complain. I'm just asking some more information to understand this issue better.
Cheers
Fiber7
Free memory is wasted memory.
This is not Windows which actively swap memory to swap.
if memory really is running low, the memory manager will kill inactive apps, not panic and reboot.
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Hi Pryiana,
I'm not sure I got what you mean.
I'm not rebooting the system, it just does it automatically, that's the problem.
What I'm trying to understand here is why it reboots automatically.
Based on Alroger a solution to self reboots is to enable zRAM which is a kernel feature to compress data being written to memory to reduce the footprint.
Are you currently on a CM10 ROM?
Fiber7
Sent from my GT-P1000 using xda app-developers app
I am on aokp jb using humberos kernel (forgot which date)
My point is :
the system reboots you are seeing, it is not because the ROM isn't providing enough free ram. It is something else. Maybe even because the memory manager isn't doing the right thing.
Maybe true that your attempt to free up more ram improves it, but it may just help to avoid hitting the real bug.
Anyway, I am not a dev.
Just a system guy.
I just want to say free ram is wasted ram.
In Linux systems, the kernel grabs as much ram as it can. Not free them.
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OK, I see what you mean.
BTW, I can see from the cm10 thread that other people are having the same issue with the device restarting after a while.
Apparently 512MB are just not enough for Jelly Bean.
Fiber7
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Err... Not true..
I am using AOKP JB for SGT7 by stimpz0r and no reboots for me.
Maybe cm10 not ready yet
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Maximum RAM used

Hello everyone! Having a 2GB RAM in nexus 4, I am curious how much max RAM have you people used. After running my daily apps like Facebook,8 tracks, flipboard, what's app, viber,xda, drop box, chrome, I have used a Max of 1.2GB RAM. Post your max RAM usage.
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I have used about a 1 GB of RAM. I love having extra ram in a phone
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dia_naji said:
I have used about a 1 GB of RAM. I live having extra ram in a phone
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Lol. Yup. That extra ram Will be much helpful for the future updates. My friend's one x's 1 gig of RAM is now not sufficient for him.
Imho, nexus 4's power has not been used to the full yet. Optimization needs to be done, both in hardware and software. I believe we have a hardware that will go into full swing next year
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Most likely key lime pie will have more optimizations hopefully and it should debut this year.
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That is true. Take for example the galaxy nexus was released two years ago and its going strong
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I dunno why 1gig of RAM wouldn't be sufficient but i don't mind having the extra. And KLP rumors say that the new Linux Kernel will actually be substantially more RAM efficient.
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i usually have between 1375-1500mb free ram at any point of my usage(about 1650mb after killing my apps). i also use autostarts to prevent apps from starting up in the background, and i use greenify to tame wild apps.
I've seen about 1.2-1.4gb of my RAM being used. But there was someone who kept complaining that the nexus 4 would close apps even if plenty of space was remaining. i think that person even started a thread & posted videos to prove it .
_KP said:
I've seen about 1.2-1.4gb of my RAM being used. But there was someone who kept complaining that the nexus 4 would close apps even if plenty of space was remaining. i think that person even started a thread & posted videos to prove it .
Click to expand...
Click to collapse
anyone can fake that video. can even make it kill the background apps sooner when very little ram is used. all you have to do is change the memory management variables by raising them. plus, there are roms out there that do that too.
Yes. I feel like that nexus 4 kills certain apps or refreshes despite having enough RAM.
Sent from my Nexus 4 using xda app-developers app
Using Elixer 2 widgets, I seen to hover between 1.2gb to 800mb free ram. I don't really close anything, pretty much just let it run on its own. Stock not rooted or anything. I have probably 50 give or take a few apps installed.
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Ram use age is not only dependent upon the applications running... If you use roms like xylon or liquid etc there are options to show how much ram is used by applications, cache and one other thing which i can't remember right now.. So basically my ram use age in real life had always been nearly to 1.6 1.7 GB!
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is jelly bean optimized for 2gb?, Ive had apps close not crash and I wonder why if it needed the ram, would changing the vm heapsize help?
I checked and I usually have 700mb remaining.
My Galaxy Nexus ran perfectly with 1gb ram so its probably more like JB uses ram pretty efficiently. More helps tho.
Sent from my Nexus 4 using xda app-developers app
naveediftikhar said:
Ram use age is not only dependent upon the applications running... If you use roms like xylon or liquid etc there are options to show how much ram is used by applications, cache and one other thing which i can't remember right now.. So basically my ram use age in real life had always been nearly to 1.6 1.7 GB!
Sent from my Nexus 4 using xda premium
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Click to collapse
That much RAM? you are on a custom Rom? Could you list your apps?
Sent from my Nexus 4 using xda app-developers app
Maximum RAM used on my N4 was about 800-900 MB. Stock everything, with some services running like Facebook,Whatsapp,8tracks,Lightflow and a live wallpaper ..
As for the people wondering why some apps appear to "close" on their own despite having enough RAM. Its the app's fault, the code is not written well and does not advantage of Android's multitasking capabilities.
Sent from my Nexus 4 using xda app-developers app
Mine has free 900+ mb
___________________
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grgsujan said:
That much RAM? you are on a custom Rom? Could you list your apps?
Sent from my Nexus 4 using xda app-developers app
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I don't use that many apps..and yea iam on a custom rom...but i guess u didnt get what i am saying...most of the time what ubsee ass ur free rom isn't actually free... It's being used by cache and other things...what most roms show u is only how much ram applications use..as u can see from my screen shot... The phones ram is never entirely free !
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