15%
09.01.2013
Barracuda (SATA 3Gb/s, 4K Sectors)
Device Model: ST3000DM001-1CH166
Serial Number: Z1F35P0G
LU WWN Device Id: 5 000c50 050b954c3
Firmware Version: CC27
User Capacity: 3,000,592,982,016 bytes [3.00 TB]
Sector
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05.08.2024
the row- and column-major access patterns, but only with a small array.
In the next experiment, I'll update the size variable to 10,000 as the sole change, to obtain Listings 3 and 4. The array now
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26.01.2025
[13], with the older Pi 4 achieving a still very good 3,200 reads and 1,200 writes in DDR50 [1] mode. However, as the unofficial motto of this column goes, there are only lies, damn lies, and benchmarks
15%
07.10.2014
, or about 3GB). Next is the amount of free memory (29,615,432KB, or about 29GB), and the last number is the amount of memory used by kernel buffers in the system (66,004KB, or about 66MB
15%
09.12.2019
-in method builtins.exec}
1 149.964 149.964 156.745 156.745 md_002.py:3()
12724903 3.878 0.000 3.878 0.000 {built-in method builtins.min}
1 2.649 2.649 2.727 2.727 md_002.py:10(init
14%
11.04.2016
(512 MB) copied, 49.1424 s, 10.4 MB/s
If you want to empty the read and write cache for benchmark purposes, you can do so using:
sync; echo 3 > /proc/sys/vm/drop_caches
Sequential access
14%
09.08.2015
with four SSDs, the write IOPS decreased with writeback activated from 14,400 to 3,000 – nearly 80 percent fewer IOPS. The only advantage of the write cache is low write latencies for RAID 5 sets. Because
14%
25.09.2013
the code states should be good enough for caches up to 20MB. The Stream FAQ recommends you use a problem size such that each array is four times the sum of the caches (L1, L2, and L3). You can either change
14%
05.12.2014
.ini. Phraseanet developers recommend setting both values to 200MB.
A Flash uploader is available as an alternative for users who use a browser without HTML5 support. Phraseanet searches for duplicates based
14%
10.06.2015
the number of samples to 200,000 hits per user per day. That is about 700 samples per five-minute interval. Various potential solutions are possible if more NetFlow samples are actually captured. As well
