Develop Bugs

[Q] Free ram after some use?

I only have about 100-150 mb free ram after a days of use, is this normal?

Roybenz said:
I only have about 100-150 mb free ram after a days of use, is this normal?
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That depends.... have you checked your running programs to see what's running?

This is normal and good. Free memory in itself is well just a waste.
As long there is free memory which isn't needed otherwise the kernel will try to hold already used things (loaded data, loaded apps) in memory so that they are faster available (which also means less battery use) when needed again. When a process needs memory it can drop some of this cached data.
So instead of having a lot of free memory all the time it tries to make always good use of the 2 GB.

Roybenz said:
I only have about 100-150 mb free ram after a days of use, is this normal?
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Whats the point of having 2GB of RAM, when the system dont use it?

I see. Thanks for explaining
Sent from my GT-N7100 using xda premium

Im a ram clearing addict I cant help myself when I see alot of ram is being used I have to hit that clear ram button. I have heared that ram in android works differently to windows and that by having programs ready in the ram its supposed to keep things running more quickly. But I find games and just the general phone feels faster when more ram is free. It must be my imagination ;-/
Sent from my GT-N7100 using xda app-developers app

The more ram you get, the more the programs are using the RAM. It is normal. When you use a task killer program to kill those tasks, you will release the RAM back.
However, if you find out there are not much free RAM after you kill the tasks, then, it would be a memory leak.

[Q] Available RAM issue

Hi all. After flashing TrueAncestor 1.6 LE, I had about 330-340 total available ram (free + used by running apps). This was a long time ago, but still is like this if I reflash it.
The issue is on my running apps tab it shows only about 240 mb total available RAM! When I restore the backup, that is. I don't really know how or when it happened. Maybe it's due to installed apps, but I can't really find out how is that possible.
Edit: I found out via advanced restore that the problem lies in the data backup, but I can't figure it out.

ram or internal memory btw?

Try run sme RAM killer app, like GTA Vicecity ... then exit game a check free RAM ...
BTW - on my Xperia S (1GB RAM) i have frree only 250MB and no problem at all..

ram. it's not that i have a problem, it's that 100 mb of ram somehow disappeared. i flashed another rom and i'm doing an app-by-app restore with titanium backup to avoid restoring whatever caused me that issue...

It is because of the app, also maybe the kernel n the rom u used, i used turbo kernerl jb+ jellyzeus rom, superb fast, no lag at all, smooth when play games, although i got 100mb out of 377mb,
Sent from my R800i using xda app-developers app

Check the CosmicDan's sig "free ram is wasted ram" when apps will need ram they will just free it by themselves. I'm having max 180-140 ram in daily use which isn't much and everything works fine. Either way 330 mb of free ram - WTF? Yeah it's caused by apps. Many apps are running in the background or just idling. It may be that rom itself does something which will eat some ram to make itself smooth and then free it up when needed.
Short version - it's okay, don't worry.
Sent from my R800i using xda premium

mmh... seems like i've not explained the problem well enough. I know free ram is wasted ram. I'm talking about the total ram. By total available ram I mean free ram + ram used by processes you can see in the "running apps" tab. The 330+ mb of *total* ram is what one should have with this phone. I had only 236 mb. I did a reflashing restoring app by app, and now I have like 300-310 mb of total ram. That's still kinda disappointing since I don't know how is that. Out of the 512 mb installed, system processes which are unseen by the "running apps" tab in settings take some, and that's okay, but to have 236 mb total means there was some other invisible process that was either disguising itself as a system process or letting the phone believe it only had that much total ram.

You should used custom rom n kernel, some stock rom isnt that great,
Sent from my R800i using xda app-developers app

there are many users with stock rom and kernel which get 360+ mb of total ram, your answer is not helping that much. Also because i'm not using stock rom lol.

No, i mean sometimes u need to flash stockrom to get corect baseband n then install the rom, it just to avoid any prob after,
Sent from my R800i using xda app-developers app

well, i found out that it doesn't depend on the rom anyway. When I link the phone to the pc and the sd unmounts, it all gets right, the total ram is what it should be, but just for the first moments, then the total ram is cut down by a lot but i think it's normal. When i take the phone out it regains all the ram, but when the sd mounts again, something like 40 mb of ram disappear just like that.

sorry for double posting, but I realized other things:
actually, the ram programs like setcpu and quadrant is the correct 367 mb.
Unmounting the sd card eliminates the problem as long as the sd remains unmounted; mounting immediately brings it back. Messing with dalvik vm heapsize does nothing, engine flushing with supercharger does almost nothing. I absolutely don't know what to do. Even my older screenshots from when I didn't flash anything has like 330-335 mb total ram, instead of the 345-355 it should be. Now it's about 305-310. More than 55 mb are not reported by running apps and this affects gaming, as ram heavy games like 9th dawn, everland crash and aralon + gamekeyboard can't stay in background together if the graphics options in aralon are maxed out.

If it still persist u should try uses swapper. Great way increasing ram,
Sent from my R800i using xda app-developers app

I am too facing this issue, after booting I have like 340 mb of total RAM(100MB in use and 240mb free) but after using phone for quite a while the total ram decreases a lot(110mb free and 100mb) in use, where is rest of the ram?? how to recover it?

U just cannot recover the ram. U should better try the new rom. Try atomic gb rom. It fastest and stable. And u should not get to furious about ram. Just see the phone lagging or not.
Sent from my R800i using xda app-developers app

Well, i have 380 total ram. Flash turbokernel 3.1 and then any JB rom and then you should have the same amount of ram that i do.
Sent from my R800i using xda premium

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...
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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...'
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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?

How much free RAM are you guys getting?

Im on 10.5. 4.4.2 NFB. Debloated rom. Stock kernel and touchwiz. Most services frizes. Even samsung accounts.
Omly get 1gig Free RAM.
WHat the heck is the rest of the 3gig RAM being used on?:silly:

It is used for caching etc. Same on Linux.

pibach said:
It is used for caching etc. Same on Linux.
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i have about 60% free , maybe about 1.5gb in use ?

Yes, after fresh boot mine shows 2,71 GB total, 1,6GB free, 0,98GB in use.
But after launching (and closing) couple of apps it should use all RAM for caching finally. You do not get it back free even after killing the app. So this number doesn't say anything. What's in the cache depends on what you have been doing so far.

Don't forget a considerable chunk of ram is used for the screen's memory. The Nexus 10 has the same screen resolution as the Tab S and it's overall free memory is reduced due to screen resolution.
Sent from my Nexus 10 using XDA Premium HD app

1 GB is reserved for swap. Usage can be viewed with disk info app.

mine varies around 1GB free however not all the time and why i feel that 3GB of my S allows it run much better than my Pro 10.1
i really dont care about the status of free vs used etc.. UNLESS like i experience on my personal computers it becomes clear a device just needs more to function smoothly.
my example i have a Mac Mini that was running sluggish and with 4GB ram it generally had about 800MB free during my workday. i installed 8GB ram and now it generally sits at 5.7GB used all day where when it had 4GB it sat at 3.2GB used
point is the Mini wanted about 5-6GB Ram to settle in around but would run on 4GB if it had to with constant work to keep 4GB limitation working.
i find that with having a 10.1 Pro and 10.5 S that more than 2GB is needed and 3GB seems to be enough but can tell when the 1GB is missing on my Tab Pro.

Using clean master, genic and disable many Samsung applications I've reach 1,37 Gb used of 2,7 total.
No lag using games and chrome beta.
Some application is possible to disable only via the drawer.

Correction... 1,33... :silly:

I get 18xx after cleaning with task manager

zs570kl RAM PROBLEM

HI
iv got a RAM Drain issue
after few hour's of using phone lags and when i chceck in ram manager ther only 2xx MB ram left FROM 5.4 Gig
after restart iv got like 4 GIG ram free
Any IDEAS ?

Fuzzytru said:
HI
iv got a RAM Drain issue
after few hour's of using phone lags and when i chceck in ram manager ther only 2xx MB ram left FROM 5.4 Gig
after restart iv got like 4 GIG ram free
Any IDEAS ?
Click to expand...
Click to collapse
1: it depends how many, & what type of applications you're using
2: might be a memory leak; you can check by running the "top" application from busybox.
Just copy it over to /data/local/tmp, chmod 755 & run ./busybox top
But taking into consideration the fact that the memory doesn't go down to 0, but hovers around the 2Gb mark, I would cross this one out.
3: using the RAM is the proper strategy - it's much more efficient (application opening speed, power usage) to retrieve applications from RAM instead of initializing them each time from the storage. So I wouldn't count this as an issue, but rather as "working as designed".

not 2 gigs iv gt left around 234 MB ram left.
2 Gigs free would not affect performance so much.

Fuzzytru said:
not 2 gigs iv gt left around 234 MB ram left.
2 Gigs free would not affect performance so much.
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Click to collapse
I almost guarantee you installed a poorly written app that is causing memory leaks. Uninstall the least reputable apps one by one until your problem is fixed. Alternatively, in case you werent already aware, you can hit the recent apps button and click the boost button in the bottom right corner (looks like a rocket). This will clear your memory and close all non essential running apps

Blues-n-Blazin said:
I almost guarantee you installed a poorly written app that is causing memory leaks. Uninstall the least reputable apps one by one until your problem is fixed. Alternatively, in case you werent already aware, you can hit the recent apps button and click the boost button in the bottom right corner (looks like a rocket). This will clear your memory and close all non essential running apps
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Problem is i'm using build in process manager but it isn't cleaning more than 2 megs out of 4 GIg that should be free
recent not working ether, only restart frees all ram
this is probably some system app drain

Fuzzytru said:
Problem is i'm using build in process manager but it isn't cleaning more than 2 megs out of 4 GIg that should be free
recent not working ether, only restart frees all ram
this is probably some system app drain
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Click to collapse
It is likely an app that you installed that is causing the memory leak as my phone doesn't have this issue and I left many of my Asus apps enabled because I like their functionality.
---------- Post added at 04:16 AM ---------- Previous post was at 04:15 AM ----------
Fuzzytru said:
Problem is i'm using build in process manager but it isn't cleaning more than 2 megs out of 4 GIg that should be free
recent not working ether, only restart frees all ram
this is probably some system app drain
Click to expand...
Click to collapse
Perhaps you should Factory Reset the phone and start from scratch

I suggest you install like "3C toolbox" which have a page showing what process are using which amount of RAM. (any similar App will do but I just happen to like 3C toolbox). In this case you could see which App cause the problem.
As you could see from picture I attached, Amazon Kindle used most memory (179.82M) in my case (and this is normal). This is very handy tool to finding out ill-behavior app.