47%
27.08.2014
record size, (2) sequential read testing with 1MB record size, and (3) random write and read (4KB). In running these tests, I wanted to see what block layer information ioprof revealed.
The system I
47%
12.03.2013
_nor/s rMB_dir/s wMB_dir/s rMB_svr/s wMB_svr/s ops/s rops/s wops/s
192.168.1.250:/home
1230649.19 1843536.81 0.00 0.00 1229407.77 1843781
47%
30.01.2020
| 0| 0.00%| # Compute the kinetic energy
202| 50| 0.000184059| 3.68118e-06| 0.00%| kinetic = 0.0
203| 200| 0.000753641| 3.76821e-06| 0.00%| for k in range(0, d
45%
21.01.2021
May 1988
AMD K6-2
MMX and 3DNOW! SIMD, 200–570MHz; 64KiB L1 cache
Jun 1998
Pentium II Xeon
SIMD; L2 cache from 512KB to 2MB
Feb 1999
Pentium III
9
45%
30.11.2025
InfiniBand for the compute node storage traffic or will GigE or 10GigE be sufficient? Should I use 15,000rpm drives or 7,200rpm drives? Do I need SSDs (solid state drives)? Which filesystem should I use
45%
30.11.2025
machine. On the basis of these hardware conditions, I gradually increased the number of checks, starting with 1,000 checks, then moving up to 1,400, and finally 2,200.
Figure 3 shows how Nagios latency
44%
26.02.2014
reqs merged: 3.78/s Write reqs completed: 2.10/s
Read BW: 0.00 MB/s Write BW: 0.02 MB/s
Avg sector size issued 23.78 Avg
44%
16.03.2021
B/s), 1236KiB/s-1236KiB/s (1266kB/s-1266kB/s), io=72.5MiB (76.1MB), run=60102-60102msec
Disk stats (read/write):
md0: ios=53/18535, merge=0/0, ticks=0/0, in_queue=0, util=0.00%, aggrios=33/18732, aggrmerge
44%
20.02.2012
time: 11.79 secs
Data transferred: 2.47 MB
Response time: 0.22 secs
Transaction rate: 35.79 trans/sec
Throughput: 0
43%
13.12.2018
(USB 2), and a Samsung Fit Plus 32 (USB 3).
Disk Caches
The OS is not the only player in the caching business. Examining a Samsung 750 SATA SSD drive, you cannot but notice a 256MB RAM buffer [8