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  #1  
Old 20.06.2009, 21:57
melicaster
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Default Memory Usage

I recenly using jDownloader for a long time... I opened my computer 24/7 and using jDownloader...

I accidentally focus on jDownloader memory usage. The memory usage of jDownloader keep increasing and never flush out. Should developer see about this?
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  #2  
Old 20.06.2009, 22:55
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There already are some threads that refer to your topic:

http://board.jdownloader.org/showthread.php?t=4117

Developers know about it and will try to fix it.
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  #3  
Old 21.06.2009, 12:42
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Quote:
Originally Posted by jimpanse View Post
There already are some threads that refer to your topic:

http://board.jdownloader.org/showthread.php?t=4117

Developers know about it and will try to fix it.
No... The thread you refering is about CPU usage, not memory usage. Beside, I didn't experiencing any CPU usage problem.
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  #4  
Old 22.06.2009, 01:14
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what os? what java? how many chunks and downloads?
how many ram?
java cannot free its used heap!
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  #5  
Old 23.06.2009, 05:05
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Quote:
Originally Posted by Jiaz View Post
what os? what java? how many chunks and downloads?
how many ram?
java cannot free its used heap!
Windows Vista Ultimate with SP2 (x64)
Java Standard Edition with Update 13
One Chunk, 2 Downloads
4GB of system memory
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  #6  
Old 24.06.2009, 01:56
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java 32 or 64bit

it seems that every 64bit windows has some problems with java, because users that have mem problems always have 64bit os too

try to change between 32 and 64bit java (deinstall the one and install the other) and see if it helps
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  #7  
Old 25.06.2009, 10:34
borgelt
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Default hey Jiaz

dont want to create a new thread, but is this already a known problem Jiaz?

sometimes jdownloader freezes for up to 5 minutes (not downloading anything at all, thus losing all its connections) and when i open the taskmanager i see, that the javaw process is eating up all my memory in little steps (i saw it using it up to 400 or 500 megabytes).
then out of the sudden this crap stops and i can use my pc again.

cpu load is low during the times this happens, but the hdd is running wild.

any ideas?
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  #8  
Old 25.06.2009, 11:43
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what jd version, what java version, what os?
maybe scanner scanning a downloaded file or jd extracting something?
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  #9  
Old 25.06.2009, 14:27
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Quote:
Originally Posted by Jiaz View Post
what jd version, what java version, what os?
maybe scanner scanning a downloaded file or jd extracting something?
0.6.353 NB (this happened before with the official version too)
java latest
xp

scanner? whats that? nothing activated regarding a scanner afaik
unrar plugin deactivated

edit: if you mean a virus scanner, then i can make sure its not the problem. it doesnt scan archive files

Last edited by borgelt; 25.06.2009 at 16:20. Reason: update
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  #10  
Old 11.07.2009, 00:50
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Quote:
Originally Posted by Jiaz View Post
java 32 or 64bit

it seems that every 64bit windows has some problems with java, because users that have mem problems always have 64bit os too
I've got a memory problem and using a 32bit os.

I'm running my PC in 24/7 and after (roundabout) 20 h running JD my free memory is at 2 to 5% and the PC is unusable

Closing JDownloader doesn't free up any RAM, only a reboot helps.

In the taskmanager I can't see JDownloader, neither as a task nor as a process (Admin account with UOP on)

I didn't had any mem probs with the old version of JD and I don't have any mem probs without JD running

My Specs: Vista SP2, Java 6 Upd. 14, 2 GB RAM, JD 0.6.193: 2 Downloads, 2 Chunks, 3 MBit DSL Connection
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  #11  
Old 11.07.2009, 12:48
remi
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Quote:
Originally Posted by wotan View Post
I've got a memory problem and using a 32bit os.

In the taskmanager I can't see JDownloader, neither as a task nor as a process (Admin account with UOP on)

I didn't had any mem probs with the old version of JD and I don't have any mem probs without JD running
You probably won't see JDownloader in your task manager. jD hides as a javaw.exe in jD versions 0.5 and higher.

Can you please be more precise about the older version that hadn't this problem?

Thanks.
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  #12  
Old 11.07.2009, 22:37
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Quote:
Originally Posted by remi View Post
You probably won't see JDownloader in your task manager. jD hides as a javaw.exe in jD versions 0.5 and higher.
javaw.exe is shown in the taskmanager with a memory usage of 65.000 Kbytes. All running tasks shown in the task manager consume not more than 750 MByte RAM but according to a tiny little sidebar widget almost all of the 2GB RAM is allocated and the system is unusable but only when JD is running. Something not shown in taskmanager allocates more and more RAM

Quote:
Originally Posted by remi View Post
Can you please be more precise about the older version that hadn't this problem?
The last two or three releases of the 0.5 version, but these versions were used with Vista SP1 (my old installation but with all updates and hotfixes), version 0.6 is installed on Vista SP2.
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  #13  
Old 12.07.2009, 10:12
remi
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What happens when you launch jD v.0.5 in your Vista SP2 ?
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  #14  
Old 12.07.2009, 15:36
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Quote:
Originally Posted by remi View Post
What happens when you launch jD v.0.5 in your Vista SP2 ?
Lost the installation files, but foun a download link for JD 0.5.917.Will test it today.
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  #15  
Old 12.07.2009, 19:42
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Can't use JD 0.5.917. I need a version wich updates only the decrypter plugins not the whole app. Does anyone has a download link for a older version?
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  #16  
Old 13.07.2009, 12:24
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Quote:
Originally Posted by wotan View Post
Can't use JD 0.5.917. I need a version wich updates only the decrypter plugins not the whole app. Does anyone has a download link for a older version?
Do you think a version older than 0.5.917 will be able to update the decrypter plugins and not the wole app? Let me know when you manage to do that.

Here are some older 0.5 versions :-

JDownloader 0.5.949
hxxp://kewlshare.com/dl/985f423b5ef1/JDownloader_0.5.949_Final.rar.html

JDownloader 0.5.917
hxxp://www.mediafire.com/download.php?u2o4ykjanwk

Last edited by remi; 18.09.2009 at 15:04.
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  #17  
Old 22.07.2009, 09:52
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Quote:
Originally Posted by wotan View Post
javaw.exe is shown in the taskmanager with a memory usage of 65.000 Kbytes. All running tasks shown in the task manager consume not more than 750 MByte RAM but according to a tiny little sidebar widget almost all of the 2GB RAM is allocated and the system is unusable but only when JD is running. Something not shown in taskmanager allocates more and more RAM

I have the same problem

indeed I can´t use Jdownloader more than 30/60 min before I need to reboot because the program "eat" the whole memory little by little and I can´t see it in the task manager...)
its happen each time I open Jdownloader, and close it dont fix the problem, I need to reboot.

SO: Windows Vista Ultimate 64Bits SP1
Memory 4Gb ram
NOD32 antivir
Jdownloader 0.6.193
1 chuck 6 downloads
Java Version 6 Update 13



Someone have been able to fix this problem?


Thanks a lot

Last edited by Shadowl0rd; 22.07.2009 at 09:57.
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  #18  
Old 22.07.2009, 12:45
remi
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NOD32 antivir might be the cause of your troubles. Stop it and try again.

Don't forget to kill the javaw.exe process when you're sure it corresponds to your jDownloader program.

Last edited by remi; 22.07.2009 at 12:49. Reason: kill
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  #19  
Old 22.07.2009, 21:32
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@Shadowl0rd: I'm using the same antivir software. Next time I will try JDownloader with deactivated NOD32.

If you already tried it please post the result.
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  #20  
Old 23.07.2009, 02:13
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Quote:
Originally Posted by wotan View Post
@Shadowl0rd: I'm using the same antivir software. Next time I will try JDownloader with deactivated NOD32.

If you already tried it please post the result.
no luck with antivir, I have uninstalled the antivir.. and same problem with memory

I have disable everything in my computer, all resident program, services,antivir, only with the minimum, and same problem. The program use more and more memory little by little... at the end the computer hangs because I don´t have free memory

In version 0.5 I didnt have that problem...
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  #21  
Old 23.07.2009, 10:55
remi
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Cool

Are you using any jD add-ons?
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  #22  
Old 23.07.2009, 15:29
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Quote:
Originally Posted by remi View Post
Are you using any jD add-ons?
  • tray icon
  • Jd-shutdown
  • JD suport chat
  • JD-unrar
  • JD. HJmerge



I will disable all the add-ons-- to check...

but I had the same add-ons installed with version 0.5xx and I didnt have the memory problems...

I have tested the program in 5 differents computers with diferent SO and in 3 of them I have the same memory problems.
I am sure a lot of people have the same problem but most of them use Jdownloader to download maximum 30/40 links... so they finish the download before their computer hangs... those people only says that their computer go slow when using jdownloader.. but their real problem is the memory, I have a memory monitor activated thats because I know thats the problem.

the minimum I use are 80 links (100mb)... with version 0.4xx and 0.5xx I had more than 500 links in queue with no problem.

Last edited by Shadowl0rd; 23.07.2009 at 15:40.
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  #23  
Old 23.07.2009, 16:27
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Quote:
Originally Posted by remi View Post
Are you using any jD add-ons?
same problem with all add.ons desactivated
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  #24  
Old 24.07.2009, 11:18
remi
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Cool

You seem to have at least one 64 bit OS.

Did you try Jiaz' recommendation and switch to a 32 bit java?
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  #25  
Old 25.07.2009, 19:09
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Quote:
Originally Posted by remi View Post
You seem to have at least one 64 bit OS.

Did you try Jiaz' recommendation and switch to a 32 bit java?
I am using 32 bits version of java...

I have been using jdownloader from the beginning everyday (intensively) , and this is the first time I really not able to make the program work...

I am very sad for it, because I have done a manual for the spanish users, I have been using the DLC container to protect my links and I have forced to all user to use Jdownloader... and now I am not able to use the program more than 1 hour before computer hangs because of memory...


I´m sure is not a problem in my configuration, there are a bug in the program that "eat" the memory little by little ... my only hope is that some admin open a ticket for the bug, and maybe in a future version the problem will be fixed...
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  #26  
Old 26.07.2009, 10:11
remi
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Did you try to revert to an earlier (for instance 0.5.917) version?
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  #27  
Old 26.07.2009, 12:26
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Quote:
Originally Posted by remi View Post
Did you try to revert to an earlier (for instance 0.5.917) version?
Yes I have try it.

but now
Rapidshare premium accounts not working in 0.5xx version
Hotfile premium accounts not workin in 0.5xx version
I cant open DLC containers (DLC key error)

I cant use a 0.5xx... because a lot of things have change

Thats not the solution...
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  #28  
Old 26.07.2009, 16:27
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Quote:
Originally Posted by remi View Post
NOD32 antivir might be the cause of your troubles. Stop it and try again.
NOD32 antivir was the cause of my troubles. No extensive memory usage with deactivated NOD32 (but same problem with activated NOD32 and deactivated JD-unrar plugin).

Hope there will be a solution. NOD32 works fine w/o JD (and vice versa)
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  #29  
Old 26.07.2009, 21:04
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Quote:
Originally Posted by wotan View Post
NOD32 antivir was the cause of my troubles. No extensive memory usage with deactivated NOD32 (but same problem with activated NOD32 and deactivated JD-unrar plugin).

Hope there will be a solution. NOD32 works fine w/o JD (and vice versa)
have you desativated nod32 or have you uninstalled the all program?
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  #30  
Old 26.07.2009, 21:04
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Quote:
Originally Posted by Shadowl0rd View Post
have you desativated nod32 or have you uninstalled the all program?
Deactivated
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  #31  
Old 26.07.2009, 21:44
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Quote:
Originally Posted by wotan View Post
Deactivated
for some reason deactivated nod32 dont work in my system, I have the memory leak each time I use Jdownloader... even with nod32 deactivated

but....

after read your post I have done a full uninstall of nod32... and after 30 min running jdownloader I DONT HAVE MEMORY LEAK!!!

now the problem is that I have bought 3 nod32 licenses 20 days ago... and I really like that antivir...


I will check jdownloader without antivir for some hours.... and if that confirm an incompatibility between nod32 and jdownloader... I will try make both programs work together working on the nod32 configuration.

I will tell here the results
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  #32  
Old 27.07.2009, 13:20
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ok I continue testing...

Jdownloader have been working the all night without problems, after a full uninstall of nod32.

I have installed nod32 this morning and I have the memory leak problem again...

I have been disabling (and restarting the computer each time) each nod32 module.
and The problem is in the NOD32 firewall module, with that module fully disable, Jdownloader works without the memory leak problem, even with the rest of the nod32 modules activated (realtime antivir protection, documents protection, email protect, antispam module...)

I continue checking, but a possible solution is to configure your router firewall, activate the standard windows firewall and disable the nod32 personal firewall...



pd. I´m really sorry,my english is really bad, I hope most of people can understand my post.

Last edited by Shadowl0rd; 27.07.2009 at 14:06.
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  #33  
Old 28.07.2009, 00:11
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Which firewall? AFAIK NOD32 don't have a firewall modus?
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  #34  
Old 28.07.2009, 10:06
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Quote:
Originally Posted by wotan View Post
Which firewall? AFAIK NOD32 don't have a firewall modus?
I am using "ESET Smart Security 4"
that version, have the nod32 antivir module, antispam, firewall, etc


If you are using the "normal" version "ESET NOD32 Antivirus 4" so you dont have firewall... but in that case you shouldn´t have the memory leak problem... I think
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  #35  
Old 14.08.2009, 12:21
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I think jD didn't flush out the memory after each download cache.
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  #36  
Old 04.09.2009, 07:47
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I confirm the memory leak behavior (at least in versions 0.7 and 0.8). As a guess, I don't think this has something to do with NOD32 or firewall.
This is partial record of six hours loaded, just loaded and minimized, after that I restored the JD window and capture this:


(7sec/square)

For many hours the memory amount stood unchangeable (72.4MB). But after the window was restored, the eating memory process started -- as well as some strange I/O activity.
After it was minimized again, the memory behavior ceased (but the odd I/O activity didn't revert).

Maybe now some dev has a clue.


WinXP SP2
Antivir
Java 6.0.150.3
JD at Windows Style

[Edited]by minimized I say tray minimized[/Edited]

Last edited by intrnst; 04.09.2009 at 08:18.
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  #37  
Old 04.09.2009, 13:00
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more...

Restarted OS: No
Restarted JD: Yes
Downl startd: Yes
Minim to tray: Yes

Monitoring in the PE I got:



05:49:10 strange I/O behav started
05:49:10 66.4MB
05:49:11 78.1MB
05:49:21 85.1MB
05:49:34 91.4MB


Below the JD log:
http://jdownloader.net:8081/pastebin...75058a9bfb4e43
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  #38  
Old 04.09.2009, 13:46
intrnst
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more again...

Restarted OS: Yes
Restarted JD: Yes
Downl startd: Yes
Minim to tray: Yes

07:13:02 CPU usage pattern starts
07:13:09 strange I/O behav started
07:13:16 71.9MB
07:13:18 83.2MB
07:13:28 87.1MB
07:13:54 92.7MB

Log:
http://jdownloader.net:8081/pastebin...ea6b55d0c8e158
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  #39  
Old 04.09.2009, 14:45
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NOD32 WebScanner/HTTP SCanner is known to cause all kind of issues
-memory leaks
-bsod
-java crashes

every user reporting such probelms and having nod32 could fix it by disabling the http/webscanner

so pls try this first

Besides: pls use a proper java tool for monitoring memory usage, because all windows tools (taskmanager and process explorer) cant show it right..you have to differ between java-jd-heap (your tool just mix them)
java memory is heavily depending on machine, os, java version and installed software
heap memory is heavily depening on machine, os, java version, installed software and such things

i check jd very often about memory leak issues and my last test was 72h with no mem leak found
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Last edited by Jiaz; 04.09.2009 at 14:49.
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  #40  
Old 04.09.2009, 16:00
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Ubuntu, Java build 1.6.0_14-b08 (latest in Ubuntu). JD 8324.

JD constantly changes it's CPU usage, from 20% to 80%. Memory usage goes in this example to 65%, but after longer use it could go around 80%.

Movie (yes, movie) showing top window + monitor (jumping blue is CPU):
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