28%
07.11.2023
’ll present a quick example of using lvcreate
to create a simple RAID 1 with two devices,
# lvcreate --type raid1 -m 1 -L 500G -n lv_raid1 vg0
where the command options are:
--type raid1
: the raid
28%
13.12.2022
/6): tftp-server-5.2-24.el8.x86_64.rpm 123 kB/s | 49 kB 00:00
(4/6): dhcp-server-4.3.6-47.el8.x86_64.rpm 3.9 MB/s | 529 kB 00:00
(5/6): bind
27%
02.08.2021
SGEMM
for N = [2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192]
A = single( rand(N,N) );
B = single( rand(N,N) );
start = clock();
C = A*B;
elapsedTime = etime(clock(), start
27%
07.10.2014
276 MB 2.5 GB 2014-03-10 19:49 982a3c 2
# dog vdi tree
ntestvm1.img---[2014-02-05 15:04]---[2014-03-01 11:42]---[2014-03-10 19:48]---(you are here)
#
# qemu-img snapshot -l sheepdog:192
26%
26.02.2014
reqs merged: 0.00/s Write reqs completed: 0.00/s
Read BW: 0.00 MB/s Write BW: 0.00 MB/s
Avg sector size issued 9.39 Avg
26%
28.11.2023
):
ssh-keygen -t ed25519 -a 100 -f
ubuntu-sre-id_ed25519 -q -N
2. Copy the SSH public key data on the target server to the authorized_keys file in the $HOME/.ssh directory. You can use the secure copy
26%
03.02.2022
,32
1,33
2,34
3,35
4,36
5,37
6,38
7,39
8,40
9,41
10,42
11,43
12,44
13,45
14,46
15,47
16,48
17,49
18,50
19,51
20,52
21,53
22,54
23,55
24,56
25,57
26,58
27,59
28,60
29,61
30,62
31,63
The lstopo tool
26%
14.09.2021
$(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq
0,32
1,33
2,34
3,35
4,36
5,37
6,38
7,39
8,40
9,41
10,42
11,43
12,44
13,45
14,46
15,47
16,48
17,49
18,50
19,51
20,52
21,53
22,54
23,55
24,56
25
25%
30.11.2025
julia> limulus
limulus
limulus
limulus
n2
n0
n2
n0
To get a better feel for parallel computation, I can run the example from the Julia documentation [9]. First, see how it works on one node
25%
20.06.2012
/local
53G 29G 22G 57% /vnfs/usr/local
From the output, it can be seen that only 217MB of memory is used on the compute node for storing the local OS. Given that you can easily and inexpensively buy 8GB
