[Samba] Problem with swap?

Micha Ballmann ballmann at uni-landau.de
Mon Feb 24 10:17:25 UTC 2020
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Hello,

today i typed "htop" for controlling my ressources. I could see that my 
swap is neraly 100%. This problem occurs since start of the server, 
about 3 year ago. Its not a critical issue for me, because the server is 
running fine. Several times i incereased the size of swap.

Today 9,3GB of 10GB swap are allocated (33 day uptime). My system is 
still running and i have no performance issue.

my System:

Ubuntu 18.04
SAMBA 4.10.12

thats the output of my top:

# top

GiB Spch :   23,510 gesamt,    1,722 frei,    1,358 belegt, 20,430 
Puff/Cache
GiB Swap:   10,000 gesamt,    0,682 frei,    9,318 belegt. 21,774 verfü Spch

thats the output of my swap:

# smem -s swap -t -k -n

   PID User     Command                         Swap      USS PSS      RSS
...
57521 0        /usr/local/samba/sbin/smbd      1.4M    21.0M 21.4M    59.9M
44242 0        /usr/local/samba/sbin/smbd      1.4M     3.0M 3.8M    62.0M
49254 0        /usr/local/samba/sbin/smbd      1.4M     1.7M 2.1M    46.4M
50045 0        /usr/local/samba/sbin/smbd      1.4M     2.5M 3.2M    59.4M
37575 0        /usr/local/samba/sbin/smbd      1.4M     5.2M 5.3M    29.3M
45826 0        /usr/local/samba/sbin/smbd      1.4M     2.8M 3.4M    60.3M
46734 0        /usr/local/samba/sbin/smbd      1.4M    83.3M 83.6M   124.5M
47621 0        /usr/local/samba/sbin/smbd      1.4M     2.6M 3.2M    61.1M
47719 0        /usr/local/samba/sbin/smbd      1.4M     1.8M 2.5M    58.0M
48185 11128    /usr/local/samba/sbin/smbd      1.4M     1.4M 1.6M    35.5M
48452 10188    /usr/local/samba/sbin/smbd      1.4M     3.1M 3.8M    63.0M
48863 0        /usr/local/samba/sbin/smbd      1.4M     2.3M 3.0M    61.0M
50192 0        /usr/local/samba/sbin/smbd      1.4M    36.8M 37.1M    75.9M
50798 0        /usr/local/samba/sbin/smbd      1.4M     3.0M 3.4M    49.3M
52396 0        /usr/local/samba/sbin/smbd      1.4M     2.1M 2.7M    58.5M
52503 0        /usr/local/samba/sbin/smbd      1.4M     3.1M 3.8M    62.0M
53072 0        /usr/local/samba/sbin/smbd      1.4M     2.2M 2.5M    37.9M
53486 0        /usr/local/samba/sbin/smbd      1.4M     2.1M 2.5M    42.7M
54419 0        /usr/local/samba/sbin/smbd      1.4M     1.4M 1.8M    40.7M
55627 0        /usr/local/samba/sbin/smbd      1.4M     2.1M 2.7M    58.8M
57127 0        /usr/local/samba/sbin/smbd      1.4M     1.4M 1.6M    33.7M
57437 12656    /usr/local/samba/sbin/smbd      1.4M    57.7M 58.0M    96.9M
49041 0        /usr/local/samba/sbin/smbd      1.4M     1.7M 2.0M    39.8M
50821 0        /usr/local/samba/sbin/smbd      1.4M     2.2M 2.7M    49.0M
51220 0        /usr/local/samba/sbin/smbd      1.4M     1.6M 2.1M    54.4M
51281 0        /usr/local/samba/sbin/smbd      1.4M     1.6M 1.8M    38.4M
51408 0        /usr/local/samba/sbin/smbd      1.4M     1.4M 1.7M    36.4M
53194 0        /usr/local/samba/sbin/smbd      1.4M     1.6M 2.3M    58.8M
53787 0        /usr/local/samba/sbin/smbd      1.4M     2.4M 2.9M    49.2M
55086 0        /usr/local/samba/sbin/smbd      1.4M     1.6M 1.9M    38.6M
46934 11083    /usr/local/samba/sbin/smbd      1.5M     1.6M 2.2M    55.3M
47575 0        /usr/local/samba/sbin/smbd      1.5M     2.9M 3.6M    61.2M
48299 0        /usr/local/samba/sbin/smbd      1.5M     5.7M 6.3M    63.3M
51005 0        /usr/local/samba/sbin/smbd      1.5M     1.7M 2.1M    44.2M
51981 0        /usr/local/samba/sbin/smbd      1.5M     2.4M 3.1M    61.0M
54609 0        /usr/local/samba/sbin/smbd      1.5M     2.5M 3.1M    50.2M
55873 0        /usr/local/samba/sbin/smbd      1.5M     2.8M 3.3M    44.7M
52536 0        /usr/local/samba/sbin/smbd      1.5M     2.8M 3.2M    43.2M
53695 11100    /usr/local/samba/sbin/smbd      1.5M     4.4M 5.1M    61.4M
57824 0        /usr/local/samba/sbin/smbd      1.5M     2.3M 2.8M    41.6M
57953 0        /usr/local/samba/sbin/smbd      1.5M     1.5M 1.8M    40.6M
58254 11117    /usr/local/samba/sbin/smbd      1.5M     1.5M 1.9M    44.7M
42364 0        /usr/local/samba/sbin/smbd      1.5M     1.4M 1.9M    48.0M
43117 0        /usr/local/samba/sbin/smbd      1.5M    30.7M 31.3M    82.6M
45416 0        /usr/local/samba/sbin/smbd      1.5M     2.6M 3.3M    58.0M
45738 0        /usr/local/samba/sbin/smbd      1.5M     1.8M 2.5M    56.3M
47363 0        /usr/local/samba/sbin/smbd      1.5M     2.4M 3.0M    57.9M
47880 0        /usr/local/samba/sbin/smbd      1.5M     1.8M 2.4M    57.1M
48924 0        /usr/local/samba/sbin/smbd      1.5M     2.8M 3.5M    54.9M
49111 0        /usr/local/samba/sbin/smbd      1.5M     2.2M 2.9M    57.2M
50525 0        /usr/local/samba/sbin/smbd      1.5M     1.3M 1.6M    38.0M
56755 0        /usr/local/samba/sbin/smbd      1.5M     1.8M 2.3M    55.5M
56846 0        /usr/local/samba/sbin/smbd      1.5M     1.4M 1.8M    43.2M
56940 0        /usr/local/samba/sbin/smbd      1.5M     2.7M 3.3M    59.8M
58692 0        /usr/local/samba/sbin/smbd      1.5M     1.3M 1.8M    44.9M
60788 21233    /usr/local/samba/sbin/smbd      1.5M     1.3M 1.4M    29.7M
74500 0        /usr/local/samba/sbin/smbd      1.5M     2.4M 3.0M    59.0M
82596 10657    /usr/local/samba/sbin/smbd      1.5M     1.4M 1.7M    39.0M
44541 0        /usr/local/samba/sbin/smbd      1.5M     1.3M 1.7M    41.3M
49071 0        /usr/local/samba/sbin/smbd      1.5M     1.4M 1.8M    45.9M
49130 0        /usr/local/samba/sbin/smbd      1.5M     1.5M 2.0M    51.9M
51148 0        /usr/local/samba/sbin/smbd      1.5M     1.4M 1.9M    48.7M
51771 0        /usr/local/samba/sbin/smbd      1.5M     1.6M 2.0M    49.1M
53102 0        /usr/local/samba/sbin/smbd      1.5M     2.0M 2.7M    58.3M
53103 0        /usr/local/samba/sbin/smbd      1.5M     1.5M 1.8M    38.9M
56872 0        /usr/local/samba/sbin/smbd      1.5M     1.7M 2.3M    56.5M
74470 0        /usr/local/samba/sbin/smbd      1.5M     1.3M 1.5M    36.5M
74855 0        /usr/local/samba/sbin/smbd      1.5M     1.5M 2.0M    53.5M
74980 0        /usr/local/samba/sbin/smbd      1.5M     1.4M 1.8M    45.2M
54699 0        /usr/local/samba/sbin/smbd      1.5M     1.3M 1.6M    39.1M
44990 0        /usr/local/samba/sbin/smbd      1.5M     1.4M 1.6M    31.9M
55079 0        /usr/local/samba/sbin/smbd      1.5M     1.2M 1.4M    32.4M
58428 0        /usr/local/samba/sbin/smbd      1.5M     1.2M 1.4M    33.9M
47094 0        /usr/local/samba/sbin/smbd      1.5M     1.2M 1.4M    31.8M
49038 0        /usr/local/samba/sbin/smbd      1.5M     1.1M 1.2M