How many would you say.. - Epic 4G Q&A, Help & Troubleshooting

How many nand writes does the epic have roughly.. and what would happen if you stumbled across the last write and then tried to flash it again
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Probably in the thousands (or 10s of thousands). It should also have wear leveling which means that you would actually have to write the entire 1GB NAND 10s of thousands of times to 'wear it out'. 10,000 writes would mean writing 10TB to the NAND memory, accounting for wear leveling. There is not a specific limit, it will just start to have corrupted data. There is also some unused (spare, if you will) memory that can be used to replace bad spots as they come up.
Remember, everytime you download an app, or anything that writes to the /data directory, you are writing to the NAND memory.
Long story short, I highly doubt you will ever start to wear out the NAND memory of the phone. If the average ROM is 130MB, 10TB / 130 MB = 77,000 ROM flashes.
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Wow thanks for the info
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tinslwc said:
Probably in the thousands (or 10s of thousands). It should also have wear leveling which means that you would actually have to write the entire 1GB NAND 10s of thousands of times to 'wear it out'. 10,000 writes would mean writing 10TB to the NAND memory, accounting for wear leveling. There is not a specific limit, it will just start to have corrupted data. There is also some unused (spare, if you will) memory that can be used to replace bad spots as they come up.
Remember, everytime you download an app, or anything that writes to the /data directory, you are writing to the NAND memory.
Long story short, I highly doubt you will ever start to wear out the NAND memory of the phone. If the average ROM is 130MB, 10TB / 130 MB = 77,000 ROM flashes.
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Damn, I only 2 rom flashes left
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Take it account that their 130 mb compressed..
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stevie13.xo said:
Take it account that their 130 mb compressed..
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True. So might take a few off my initial estimate.
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Related

An app that can determine memory consumption

Is there an app I can download that can determine where all of my memory is being consumed "on my SD card"?
I have been using a 16G for the past 5 months and I'm down to 1.43GB left. I deleted a lot of files, pictures, video, baks, and other stuff I deemed un-needed. Yet I still only have 1.43GB left. 13.3 is in use (given the partition).
How can I find what file is using most of this? I just updated to fresh 3.4.0.1 and I a full wipe...so I really got condense this.
How many nandroid backups do you have? That takes up tons of space , try deleting some of the older ones and you will see a big difference.
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cbrown245 said:
How many nandroid backups do you have? That takes up tons of space , try deleting some of the older ones and you will see a big difference.
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Cooh...let me try that and see what comes out.
Thanks cbrown.

mem info?

i just checked and its at 128/413?
is that even normal that doesn't sound right
bongholio said:
i just checked and its at 128/413?
is that even normal that doesn't sound right
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Internal storage?
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newtoroot said:
Internal storage?
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I think he's talking about the RAM. Android manages memory different than OS X or Windows. Full is actually good. People are always going overboard with task killers trying to free up RAM. Android will free up RAM as necessary, so you really shouldn't ever have to worry about it. Unlike Windows when it gets full it puts memory into swap on the HDD slowing it down. Android will just quit the app, because you haven't used it in a while.
Just for reference I have 246MB available on CM7 with a fresh boot. After using it a few hours, I generally have about 90MB free on average.

[Q] more space on internal storage

is there a way i can partition my epic 4g internal memory from 676mb to something bigger im on the miui rom thank you so much
Have you looked into mtd yet? It's all the rage for partitions.
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I'm on a mtd rom does that mean anything
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Your already at capacity.... mtd its almost 700mbs and if you look at a bmls internal storage its only 450 or so. But in short no not that I know of why do you need more internal..?
Sent From My Cyan Samurai
No reason just trying to take my phone to its full capacity
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If your looking to free up some of that 676mb then you can push your apps to the sdcard even those that say they are not through a root app on the market.
Sent From My Cyan Samurai
They already pushed the partition to capacity by leaving only 25MB for cache which actually causes issues trying to download large apps from the Market. You have reached your destination.
kennyglass123 said:
They already pushed the partition to capacity by leaving only 25MB for cache which actually causes issues trying to download large apps from the Market. You have reached your destination.
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Speaking of, does anyone have that market boot script to fix that issue?
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Why would you need your phone at full capacity? If its space your worried about, download apps2sd on the market and move some big apps over to your sd card.
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[Q] How can I free up some ram/memory on Windows XP

Yes I know xp sucks arse.... unforturnetly I have to deal with it...
Anyways how would I go about getting some freed up ram or memory because I need to clear out some junk and rather not take a shot in the dark and end something dangerous. So any suggestions other tan get windows 7 will be greatly appreciated I know disk cleanup and defreagment are useful but is there anything else?
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Post on a windows xp forum...
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ugothakd said:
Post on a windows xp forum...
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That's pretty messed up...
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I haven't used XP for a while (other than at work, where I am not responsible) but, I think Start -> run -> msconfig.msc might help you out. You can disable anything you want during startup. You can probably also tell what you are disabling because it will tell you the path to the executable. After turning a bunch of stuff off, reboot and see where you are at.
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ac16313 said:
That's pretty messed up...
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Thank you I was going to say it but I hopedi wasn't in the wrong I was really just seeing if people in my backyard knew how to trim some trees so to speak
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tinslwc said:
I haven't used XP for a while (other than at work, where I am not responsible) but, I think Start -> run -> msconfig.msc might help you out. You can disable anything you want during startup. You can probably also tell what you are disabling because it will tell you the path to the executable. After turning a bunch of stuff off, reboot and see where you are at.
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Do you think adding to the virtual memory heap would help I only have a gig of ram and 2 gb of vm so far wuld more be helpful? I have a lot of hard drive storage something like 160 or so, anyways ill look at the processes
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Biggoron said:
Do you think adding to the virtual memory heap would help I only have a gig of ram and 2 gb of vm so far wuld more be helpful? I have a lot of hard drive storage something like 160 or so, anyways ill look at the processes
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I am sure you already know this, but virtual memory is much, much slower than hardware RAM. That said, increasing virtual memory probably won't speed up your system, but will allow for additional multitasking (running more programs). Windows does a pretty good job at managing the virtual memory and keeping the more accessed information in real memory.
In short, I don't believe that increasing your virtual memory will make much of a difference. 2GB should be plenty. Additionally, if you are using a 32-bit version, Windows can not access more than 4GB of RAM (including video RAM, and hardware RAM) and that limitation may include virtual memory. Typically, 3GB is about all you can use with a 32-bit OS.
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Thanks I know a ton about my phone but hardly anything about my computer its odd. Anyways ill look into that msconfig and let you know what I come up with I was hoping for something similar to a task manager/memory cleaner here on android
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Biggoron said:
Thanks I know a ton about my phone but hardly anything about my computer its odd. Anyways ill look into that msconfig and let you know what I come up with I was hoping for something similar to a task manager/memory cleaner here on android
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The task manager... right click on start bar (not on a button or application) and start taskmanager. All applications have an associated process but not all processes have associated applications (at least applications with a GUI). From the process list, which will have what you want to get rid of, you will probably have to google each process name to determine what it is and how to get rid of it and if it is safe to do so. When I do a fresh XP install with anti virus and a minimal application set, I have somewhere around 40 total processes.
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tinslwc said:
The task manager... right click on start bar (not on a button or application) and start taskmanager. All applications have an associated process but not all processes have associated applications (at least applications with a GUI). From the process list, which will have what you want to get rid of, you will probably have to google each process name to determine what it is and how to get rid of it and if it is safe to do so. When I do a fresh XP install with anti virus and a minimal application set, I have somewhere around 40 total processes.
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Got about 52.... not bad I guess but is this bad?
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Biggoron said:
Got about 52.... not bad I guess but is this bad?
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That looks pretty good. One thing to remember is that "cached" physical memory is almost free memory. The operating system has files and other data that is cached in RAM for quick access but can easily be dumped to make room for new information.
So, now the question is, what is the problem/symptoms that you are trying to solve?
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tinslwc said:
I haven't used XP for a while (other than at work, where I am not responsible) but, I think Start -> run -> msconfig.msc might help you out. You can disable anything you want during startup. You can probably also tell what you are disabling because it will tell you the path to the executable. After turning a bunch of stuff off, reboot and see where you are at.
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Msconfig is really meant as more of a trouble shooting tool. It's not proper to use it as a maintenance tool. If there's anything that you want to disable at startup you really ought to handle it in that particular programs options. Or consoder uninstalling tje program entirely.
Better than the stock windows defragment is a program called defraggler.
Also, you might try a windows XP forum. I think they would be better help.
sent from my secret underground bunker
tinslwc said:
That looks pretty good. One thing to remember is that "cached" physical memory is almost free memory. The operating system has files and other data that is cached in RAM for quick access but can easily be dumped to make room for new information.
So, now the question is, what is the problem/symptoms that you are trying to solve?
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Well according to y'all its not my memory I guess I'm running the cpu more than it can handle its a guitar program in basic terms it turns my computer into an amplifier if you need to know its POD Farm 2 and when I try to add a "dual" which is like using two different amp setups it chops the sounds and won't work correctly and was thinking it was my memory not being able to free up the needed ram but I guess my lil 1.3ghz cpu isn't cutting it
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Xp has been very solid. Upgrade your hardware and do a clean install of xp. I'm running 7 on an older hp laptop and its been awesome.
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I'm not familiar with that program, but I would lean toward it not being your ram. You say that's a 1.3ghz. How many cores?
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b16flybye said:
Xp has been very solid. Upgrade your hardware and do a clean install of xp. I'm running 7 on an older hp laptop and its been awesome.
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+1
There's 'natural' fragmentation of files that happens over time that a defrag'er can't always fix. A clean install is kind of like the ultimate defrag'er in that sense.
p.s. sorry about the double post.
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NawtyB78 said:
I'm not familiar with that program, but I would lean toward it not being your ram. You say that's a 1.3ghz. How many cores?
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Its a single I'm sure but ill let you when I find out...
I'm assuming its a single since it doesn't say dual or quad
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i've used this for a basis of streamlining the programs and processes that run on all my windows based pc's (i'm a sys admin for about 300+ pc's as well as my main gaming pc at home)
http://www.blackviper.com/category/guides/windows-xp/
The site used to have just a whole long list that you had to manually go and disable or set to manual yourself, now they've made it easier..
ugothakd said:
Post on a windows xp forum...
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If u look at some prior threads, he also helped u out!
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Since I had such good results last time I posted about a pc I was wondering something else.
My mother uses her pc for work and it requires certain system files that work like a network or a passage to her works servers. Something in system32...idk anyways... I was wondering if it were possible to image her pc and flash it onto the new pc I'm going to be getting. If not She really just needs xp on it and needs internet explorer 6 and her word 2003 it has a lot of auto corrections/ shortcuts in it. The system files can be put on it by her tech support. Basically she needs xp on her new pc with her internet explorer 6 and word. What would be the easiest way to do so?
I know I could find internet explorer 6 somewhere.
Also for the word I could transfer the auto corrections to the newest word 2010 but I hear it has to be done for each auto correction and she has upwards of 500 hundred.
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System memory

I've been curious about this for quite some time now. Our phone has 768mb of total ram space. I've noticed AOSP roms allow 602mb to be used and Sense gives 573mb. Is it possible to substitute system memory for ram enabling more free ram for our device?
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eriknors said:
I've been curious about this for quite some time now. Our phone has 768mb of total ram space. I've noticed AOSP roms allow 602mb to be used and Sense gives 573mb. Is it possible to substitute system memory for ram enabling more free ram for our device?
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Substitute system memory for ram? You mean like a pagefile on windoze? Or just freeing up more ram? Not really following what you mean.
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Ok I know "x" amount of ram is required to run a rom. What I wanna know is can any of that be transferred into say the system memory so that instead of having only 573mb of 768mb we could have something like say 625mb of our 768mb? I guess I should of clarified earlier.
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eriknors said:
Ok I know "x" amount of ram is required to run a rom. What I wanna know is can any of that be transferred into say the system memory so that instead of having only 573mb of 768mb we could have something like say 625mb of our 768mb? I guess I should of clarified earlier.
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Like for example, virtual memory in windows, it uses the hard drive to hold running processes, though it may be slower....it works....sort of lol
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Triscuit said:
Like for example, virtual memory in windows, it uses the hard drive to hold running processes, though it may be slower....it works....sort of lol
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Yes like vm in windows. So it wouldn't speed up our phones if this was done? That is what I was trying to accomplish by all of this in the first place. I figured if I was able to make the RAM larger in size overall that would in turn allow bigger apps to run smoother. I know there's a lot more at play like processor speed and kernel but its just a thought
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eriknors said:
Yes like vm in windows. So it wouldn't speed up our phones if this was done? That is what I was trying to accomplish by all of this in the first place. I figured if I was able to make the RAM larger in size overall that would in turn allow bigger apps to run smoother. I know there's a lot more at play like processor speed and kernel but its just a thought
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I'm not saying it will run slower, I don't have the knowledge to tell you if it would improve things or not. Just making it easier to understand
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Haven't really looked at it, but it depends on whether we use up all the RAM often, and I don't think we do.
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I think NO.. we can only adjust CPU frequency though
My knowledge of linux is very limited, but I think that you are thinking of it too much like Windows. In Windows more free ram means better performance. That is because Windows doesn't kill processes that aren't being used when ram is needed, instead it uses vm to allow the program to run.Android will kill processes that aren't in use if additional ram is needed so vm is not necessary. This means that performance isn't really effected by free ram.
Someone please correct me if I'm wrong here.
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cstone1991 said:
My knowledge of linux is very limited, but I think that you are thinking of it too much like Windows. In Windows more free ram means better performance. That is because Windows doesn't kill processes that aren't being used when ram is needed, instead it uses vm to allow the program to run.Android will kill processes that aren't in use if additional ram is needed so vm is not necessary. This means that performance isn't really effected by free ram.
Someone please correct me if I'm wrong here.
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I also thought the other way before. But after some googling I also found that linux is something like that.
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cstone1991 said:
My knowledge of linux is very limited, but I think that you are thinking of it too much like Windows. In Windows more free ram means better performance. That is because Windows doesn't kill processes that aren't being used when ram is needed, instead it uses vm to allow the program to run.Android will kill processes that aren't in use if additional ram is needed so vm is not necessary. This means that performance isn't really effected by free ram.
Someone please correct me if I'm wrong here.
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After a crash course in Linux over the past couple days I've learned that u r right my friend. I guess I was to caught up in thinking it was like windows.
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eriknors said:
After a crash course in Linux over the past couple days I've learned that u r right my friend. I guess I was to caught up in thinking it was like windows.
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No worries. I think most people here think the same way because most of us use Windows. I wouldn't have known differently if I hadn't read it previously on here. That's the same reason why task killers are bad.
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I'm in love with Linux 2 home computers run it and my laptop duel boots Ubuntu and windows 7. Great combo. Never owned a Mac probably never will. Also haven't messed with cron ( is that right) in Linux/android) but hear good things.
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Android puts background processes that arent running in the foreground in cache memory, that way it's not eating up ram like if it was still running but since its in the cache, if you open the program though it will still come up quickly since it is cached, only certain programs that are frequently used are like that though...
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