CentOS 5 :: Apache Memory Leak Since Glibc-2.5-42.el5_4.2 Update?
Jan 4, 2010
I updated several packages on one of my servers on Dec 21st and have been seeing excessive swapfile usage since then. The problem process seems to be httpd which in our environment runs a subversion server as well as serving a number of php pages over https. At present I am having to bounce apache approximately every 5 days as it has used all 8GB swap in that time.
[Code]..
Of the updates listed as installed, the only one that looks likely to affect apache is glibc. Looking at the stats from sar -r I can see swap usage increasing by approx 3% (of 8GB) every hour.
I'm having some strange issues with apache. Time by time it segfaults, eats all available memory (including swap) and makes server non responding.Ubuntu Server 10.04.2 LTS
Some strange logs: Jun 12 12:00:18 *** kernel: [40767.969443] apache2[7635]: segfault at 726f7272 ip 00007f13a31f3f16 sp 00007fff6f740ea0 error 4 in libapr-1.so.0.3.8[7f13a31d7000+35000]
root@XXXXX:~# uname -a Linux myserver 2.6.18-194.11.4.el5 #1 SMP Tue Sep 21 05:40:24 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux I'm having serious memory leak issues on a server running CentOS. Running 'top' I can't find any proccess with an unusual memory usage. Is there any other way to check what is using this memory? Right now it shows that I have 4.8GB of RAM used, but top shows only few proccesses, one with 4% and lots of 0.0%.
I have had a fresh install of Ubuntu 9.10 and installed some software after that.Since third some, some process is eating half of my memory.I have checked processes running in system manager but everything is normal.Maximum is consumed by compiz which is about 26 mb, seems very normal.I did restarted my computer several times, and in the start for 5 mins, its fine after that again my cpu fans runs at very fast speed and my one cpu is used up 95 % (I have dual core).Please help me out, this invisible thing is driving me crazy.I am attaching my htop screen shot (sorted by cpu %), now the cpu is not used by completely but fan is still struggling hard and fast.
I am new to C and linux. My code below does arbitary writes but I cant figure out where or how it does it.
I am calling the insertNode() function with seq = 'MISSISSPPI$' and alphabets = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ$'
Code:
Weird behaviour I should mention is that when I check for NULL pointer in node->child[index], the unassigned values are not null anymore, they point to arbitary memory.
I have just updated gcc to 4.4.3 on my centos 5.4 server. This all went fine but now i need to update glibc and libstdc++, Any ideas on how i go about doing this.
I have installed Zimbra 6.0.1 and updated to Zimbra 7.1.0, the problem is that it needs the glibc-2.10 to start one of its services. I tried everything but i'dont get to update the glibc.
I'm running my own repository for my CentOS servers and ran into problem which seems to be on the 32bit boxes only. When trying to patch, I get the following dependency error.
I am running CentOS 5.6 on my servers (auto-updating to the latest patches). A couple of days ago, a number of updates were applied: glibc-common-2.5-58.el5_6.4.x86_64 glibc-2.5-58.el5_6.4.x86_64 nscd-2.5-58.el5_6.4.x86_64 glibc-headers-2.5-58.el5_6.4.x86_64
[Code]...
This update broke a software tool from Xilinx (FPGA compiler). I rolled back all of the above, to 2.5-58.el5_6.3, and the tool works OK. I get: /home/cad/xilinx/ISE13.1/ISE_DS/ISE/bin/lin64/unwrapped/map: symbol lookup error: /home/cad/xilinx/ISE13.1/ISE_DS/ISE/lib/lin64/libXst2_Core.so: undefined symbol: _ZN5boost7archive6detail17basic_oserializerD2Evmake[2]: *** [map] Error 127
I'm currently developping a program in C++, using Qt, for an embedded board (SBC9261).It works well but crashes after some time, due to a system memory overload (my program uses more and more memory until 100%, when it crashes).I've been able to figure out the source of the memory leak :The function f is called by my program every second. f instanciates a new object (a QImage from the Qt lib), does a bunch of processing on it, and returns it to the calling function :
Code: QImage *MyClass::f(QString filename) {// Open image QImage *image = new QImage(filename);
I need to write a small program that eats away at availabe memory. I need to creaty a memory leak to test how other programs cope. I need to run this program on linux and see if the available memory is decreasing.
So I have done: Code: int main() { int *buffer; while(1)
I have 4 gigs of ram and xorg goobles up 70+% in a matter of an hour or so. I'm running a java app with lots of 2D graphics, firefox, pidgin, and one other java app. I recently upgraded to KDE 4.2 and got dual ATI firepro 3700 cards running 3 22" widescreens. The memory gets eaten until my java app crashes.
I'm using the fglrx driver as it seems the radeonhd one doesn't recognize the firepro 3700. Can one only have a single KDE4 version on the machine. I would like to be able to swtch back and forth between 4.1 and 4.2 in order to troubleshoot without all the downloading and installing in yast.
I'm afraid I have a huge issue with my newest Fedora 14 server. I recently migrated to Fedora 14 from Centos 5, which was very stable, but had ancient packages and libraries and my users were revolting...The machine is a HP ProLiant 360 G7, with 12G RAM and 6 SAS drives in RAID 5.After I migrated to Fedora 14, I noticed that for some reason, during the course of about 24 hours, all usable RAM "disappears" and applications are forced down to swap space. Needless to say I didn't have this issue on CentOS.
The server does heavy IO as per it's function (it's a heavily loaded file processing server and user simulation computing station among other things, which causes lots of random IO), so I thought it may be the cache, but then I realized it cannot be - because obviously Linux will use onyl "unused" RAM for caching and frees it up as soon as an app need it. Then, I thought to check the "slabtop" to see what's going on in Kernel memory. Unfortunately I don't have the screenshot from the time just before the latest crash, but there's a certain value displayed by slabtop, which slowly, byte-from-byte creeps over all available RAM, eventually forcing applications down to the swap. This is malloc-64, and as you can see from the bellow copy-paste, it's building up again even now...
Code: Active / Total Objects (% used) : 9118075 / 9153600 (99.6%) Active / Total Slabs (% used) : 152157 / 152157 (100.0%)
I have encountered this problem of memory usage is increasing as the during the my program is being run until 1Mb is left then it stays at that.A part of the program is this:
I made an update of my Centos 5.5 yesterday. In doing so glibc has been updated to glibc.i686. Just now some of my FPGA tools crash. Unfortunately there isn't a downgrade for glibc.i686. How can I replace glibc.i686 by glibc.i386?A simple yum install glibc.i386 conflicts with the files from package glibc-2.5-65.i686
yum list glibc Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile
I can confirm my machine's GLX version is 1.4, and I definitively get the slow down problem, however, after running in a terminal:
Code: grep "object bytes" /sys/kernel/debug/dri/0/gem_objects grep: /sys/kernel/debug/dri/0/gem_objects: No such file or directory What am I doing wrong?
I dont know if this issue has already been solved, or if there are other threads dealing with it, but Im quite desperate with this bug that has been annoying me since I upgraded from 9.10 to 10.04.
Firs I thought it would be GEM related, but Im using a proprietary graphics card, so thats not the way to solve it. I experience the problems a memory leak provokes, mainly that, as time goes by with the laptop turned on, the system needs more resources to execute simple actions, and it freezes too many times. Plus IBUS will, suddenly, stop working (I still don't know if it is related or not), and, most of the times I log in, Notification Area 2.30.0 will load with errors.
I installed Ubuntu 10.4 and everything works great "out of the box"! I didn't install any drivers.blem, a major one...When I type "top" right after a reboot, around 1GB of RAM is in use. After a few min it grows to 2GB, even 2.5GB for no reason. Luckily, my machine has 6GB of RAM but it's still a major issue for me.I read on another forum another user with the same problem on the same Lenovo machine and he solved it by installing the newest driver for his ATI device. I don't have ATI, but I have the impression that I can solve my problem the same way. Do you have any idea what driver my cause that? I checked the Intel site for a new Intel HD graphics driver but they don't have ones for Linux.
I'm using Fedora 15 with Gnome 3 on a 32 bit laptop. I noticed that there seems to be a huge memory leak issue with Gnome shell. When I restart it, it is around 20 MB. But it keeps rising, and after around eight hours, I noticed it was around 250 MB! I found a solution online that said to simply restart the shell if the gnome-shell memory consumption becomes too large. While this is fine as a temporary solution, I am looking for a permanent one. Is there a way to minimize/prevent the memory leak other than waiting for the next version of Gnome 3?
I have a web server with the specs below and my apache server is being a hog using all my RAM 7gigs or 8gigs of ram. When there is a rush of traffic at once my whole server crashes and I have to reboot apache. The way my site is set up I have a tube script and I use the tube script to host videos on my forum I have 1000 videos on the tube script. I brought a bigger server and more ram because of the down time I been having . I am really trying to figure out why its crashing and using so much ram. I installed eAccelerator didn't seem to help with the apache server.
Intel Quad Core Xeon X3430 (4 x 2.40 GHz, 8MB Cache) > 2-bay Supermicro Chassis and Motherboard > 8 GB REG ECC DDR3 (twice your current setup) > 250 GB Enterprise Grade SATA II > 10 TB Bandwidth 1gig Uplink Port > CentOS 64 Bit (Latest Stable)
TOP Command and free -m command screenshots are attached this is with only 160 people online at once
I just opened an (unmanaged) VPS account and and have been encountering nothing but problems with trying to get Apache up and running (its something I've done many times before).Basically the inital error was with LDAP not having enough space, so I disabled the related extensions and Apache still would not run. Looking at the log, it contains: (28)No space left on device: Unable to create scoreboard (anonymous shared memory failure)
Yesterday, I think I did something stupid: I removed kernel-headers, gcc, glibc-devel and glibc-headers. My box is a CentOS 5.4 webserver (it has loads of packages installed, but that was done through Virtualmin config, so it's quite coherent all in all). The thing is that now I need to reinstall at least the headers and glibc, but hey! this is what I get :
I updated my CentOS 5 box recently. But after then my Apache can no longer work; every time I try to start apache, it says started OK but then dies immediately and no error message at all. When I tried 'apachectl restartI', it says apache not running. It has been running fine before the update. I've looked at /var/log/httpd.log but there is not any message about my problem.
I'm a bit new to installing/upgrading on Linux/Centos so apologies if I've made a basic mistake here.I've searched around for the answer to this question but not found it - but apologies if this has been discussed in the forum before. The issue is that I want to upgrade Apache to version 2.2.12 or higher, because I want to install a second SSL domain on the same IP address. According to this page [URL].. you can do that from version 2.2.12.
Incidentally I've got Centos 5.4 installed. So I've had a little browse around with yum and did a "yum list *httpd* with gave me the following
after I do all new installation and before i do PHP update my browser can show me apache default page but after update PHP to 5.2.0 I can't even see the default page and always give me Problem loading page and I have 3-4 times reinstall my server which i need to do this as mail serer locally. Here are the version for my php and apache on my server currently :Apache[root@localhost local]# httpd -vServer version: Apache/2.2.14 (Unix)Server built: Oct 14 2009 13:19:18
