Messages in this thread | | | Date | Tue, 14 Feb 2006 01:05:30 +0100 | From | Willy Tarreau <> | Subject | Re: Memory leak in 2.4.33-pre1? |
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Hello,
On Mon, Feb 13, 2006 at 10:46:51PM +0100, Yoss wrote: > Hello. > My server have lost about ~300MB of RAM. Details: > > webcache:~# uname -a > Linux webcache 2.4.33-pre1 #2 Wed Feb 8 18:26:44 CET 2006 i686 GNU/Linux > > No other patches. Only basic elements needed to work in network > enviroment. > > webcache:~# dmesg | grep MEM > 127MB HIGHMEM available. > 896MB LOWMEM available. > > When I count memmory used by processes (column SIZE from ps or RES from > top) there is about 650MB used. (There is only squid, named and basic > system deamons running on that host). But: > > webcache:~# free -m > total used free shared buffers cached > Mem: 1009 996 13 0 18 32 > -/+ buffers/cache: 945 64 > Swap: 1953 0 1952 > > > So there is missing about ~300MB. > If anyone wants to have more detailed info feel free to ask.
You don't have to worry. Simply check /proc/slabinfo, you'll see plenty of memory used by dentry_cache and inode_cache and that's expected. This memory will be reclaimed when needed (for instance by calls to malloc()).
If you don't believe me, simply allocate 1 GB in a process, then free it.
Regards, Willy
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