Bug 173303

Summary: Possible memory leak in "cp -a"
Product: [Fedora] Fedora Reporter: CHIKAMA Masaki <masaki.chikama>
Component: coreutilsAssignee: Tim Waugh <twaugh>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 3   
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2005-11-16 04:44:10 EST Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:

Description CHIKAMA Masaki 2005-11-16 00:55:13 EST
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; ja-JP; rv:1.4.3) Gecko/20050104 Red Hat/1.4.3-3.0.7

Description of problem:
When I copy a huge number of file using "cp -a",
memory usage of cp process grows.



Version-Release number of selected component (if applicable):
coreutils-5.2.1-31

How reproducible:
Always

Steps to Reproduce:
1. cp -a LARGE_SRC_DIRS... DST_DIR
2.
3.
  

Actual Results:  Here is the VmRSS usage in /proc/PID/status every 5 seconds.
....
VmRSS:     33916 kB
VmRSS:     33916 kB
VmRSS:     33920 kB
VmRSS:     33924 kB
VmRSS:     33924 kB
VmRSS:     33928 kB
VmRSS:     33932 kB
VmRSS:     33936 kB
VmRSS:     33936 kB
VmRSS:     33940 kB
VmRSS:     33940 kB
VmRSS:     33944 kB
VmRSS:     33948 kB
VmRSS:     33948 kB
VmRSS:     33952 kB
VmRSS:     33952 kB
VmRSS:     33956 kB
VmRSS:     33960 kB
VmRSS:     33960 kB
VmRSS:     33964 kB
VmRSS:     33968 kB
VmRSS:     33972 kB
VmRSS:     33976 kB
VmRSS:     33976 kB
VmRSS:     33980 kB
VmRSS:     33980 kB
VmRSS:     33980 kB
VmRSS:     33984 kB
VmRSS:     33992 kB
VmRSS:     33992 kB
VmRSS:     33992 kB
VmRSS:     33996 kB
VmRSS:     33996 kB
VmRSS:     34000 kB
VmRSS:     34000 kB
VmRSS:     34004 kB
VmRSS:     34008 kB
VmRSS:     34008 kB
VmRSS:     34012 kB
VmRSS:     34016 kB
VmRSS:     34020 kB
VmRSS:     34024 kB
VmRSS:     34024 kB
VmRSS:     34028 kB
VmRSS:     34032 kB
VmRSS:     34032 kB
VmRSS:     34036 kB
VmRSS:     34036 kB
VmRSS:     34040 kB
VmRSS:     34044 kB
VmRSS:     34044 kB
VmRSS:     34048 kB
VmRSS:     34048 kB
VmRSS:     34052 kB
VmRSS:     34052 kB
VmRSS:     34056 kB
VmRSS:     34060 kB
VmRSS:     34060 kB
VmRSS:     34064 kB
VmRSS:     34064 kB
VmRSS:     34068 kB
VmRSS:     34072 kB
VmRSS:     34072 kB
VmRSS:     34076 kB
VmRSS:     34076 kB
VmRSS:     34080 kB
VmRSS:     34084 kB
VmRSS:     34084 kB
....

Additional info:

This cp process is already running more than 5 days.

27096 pts/2    R    280:36 cp -i -a 20051001_1-5ch_10-21ch 20051002_1-5ch_10-21c

There should be multi millions of file.
Comment 1 CHIKAMA Masaki 2005-11-16 02:47:20 EST
It seems filename hash table consumption, not leak.
Please close this bug.

But....