6%
30.07.2014
creates a 4KB string of each of the letters a
, b
, and c
; then, it puts the last character of the string into the first position over and over until the string reaches its initial state. The script
6%
14.04.2021
is scrolling back in time (Figure 4).
Figure 4: Going back in time with Zenith.
You can tell the chart has gone back in time because at the very top it says
6%
13.06.2018
: Invoking an interactive shell within container...
Singularity basic.simg:~> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.4 LTS"
Singularity basic.simg:~> which gcc
/usr
6%
08.08.2018
compiler (4.8, 5.4, 6.2, 7.3, and 8.1), the latest Intel compiler, the last three community versions of the PGI compilers, three versions of MPICH (3.2.1, 3.1.4, and 3.1), and three versions of Open MPI (2
6%
05.11.2018
nodes, and make sure to do this as a user and not as root.
3. To make life easier, use shared storage between the controller and the compute nodes.
4. Make sure the UIDs and GIDs are consistent
6%
19.11.2019
that is the issue. The purpose of a cache is to alleviate a lot of the burden for the drive to seek new sector locations for 4K, 8K, or other small I/O requests. Some of the more common caching methods or modes are
6%
20.04.2022
. If you like, extended attributes add metadata to a file or directory, going beyond the definition of the inode.
Many Linux filesystems can use extended attributes:
ext2
ext3
ext4
JFS
6%
02.03.2024
/diskstats | grep 'sda ' | awk '{print $4+$8}')
sleep 1
curr=$(cat /proc/diskstats | grep 'sda ' | awk '{print $4+$8}')
iops=$((curr-prev))
echo "IOPS: $iops"
done
The admin tools you can code in Bash is really
6%
18.08.2021
).
Figure 3: Job summary tables from darshan-job-summary.pl output PDF.
Another group of useful tables are shown in Figure 4. The top table presents the cumulative time spent in reads and writes
6%
08.08.2022
commands.
For example, a user on a Linux system starts tty-share
(Figure 4). The URL is shared with the Windows user who then pastes it in their browser. Figure 5 is a screenshot of the Brave browser