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| author | Miguel <m.i@gmx.at> | 2019-03-17 18:14:32 +0100 |
|---|---|---|
| committer | Miguel <m.i@gmx.at> | 2019-03-17 18:14:32 +0100 |
| commit | 0e4810dcfb132bf276a282e25b8523a4009ae08b (patch) | |
| tree | dac6dce820f0a35d9ed7ea7676982a0f86fd0edb /00_blog/00015_Admin/00020_Benchmarking-and-Stress-testing | |
| parent | ad6411e9ec256b03f20b9195e25cb128fe02c628 (diff) | |
rename blog dir
Diffstat (limited to '00_blog/00015_Admin/00020_Benchmarking-and-Stress-testing')
| -rw-r--r-- | 00_blog/00015_Admin/00020_Benchmarking-and-Stress-testing/index.md | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/00_blog/00015_Admin/00020_Benchmarking-and-Stress-testing/index.md b/00_blog/00015_Admin/00020_Benchmarking-and-Stress-testing/index.md new file mode 100644 index 0000000..facfc17 --- /dev/null +++ b/00_blog/00015_Admin/00020_Benchmarking-and-Stress-testing/index.md @@ -0,0 +1,68 @@ +# Benchmarking + + May 12, 2017 + +## Tools for Stress Testing your RIG + + Some nice tools to stress-test your computer: + + CPU: Prime95 + GPU: FurMark + RAM: MemTest86+ + HDD/SSD: S.M.A.R.T + + Ref: http://www.pcworld.com/article/2028882/keep-it-stable-stupid-how-to-stress-test-your-pc-hardware.html + +## Networking + + 1. Connected my [laptop] and [desktop] via 5meter cat5e cable -> 1000mbit full duplex link + 2. created ~1.5G ramdisks with tmpfs on each. + 3. created a 1 giga file with data from /dev/urandom on [desktop] + 4. copied file with scp from [desktop] to [laptop] + 5. copied file with scp from [laptop] to [desktop] + 6. repeated 4 & 5 10 times : average speed ~70+MB/s from desk & 80+MB/s to desk, link stays up all the time. ping around 0.2-0.3ms + 7. repeated 1-6 with my other 3meter ethernet cable. + 8. tried both direction simultanously which gave a total data throughput even over 100MB/s + +## Hard Disk + +To get some information about the disk run: + +Request identification info directly from the drive, which is displayed in a new expanded format with considerably more detail than with the older -i option. + + $ hdparm -I /dev/sda + +Timings + + $ hdparm -tT /dev/sda + +Clear Cache + + $ echo 3 > /proc/sys/vm/drop_caches + +I am using this block-size and count which results in ~2GB: + + $ dd [...] bs=1048576 count=2048 + +READ: + + $ dd if=test of=/dev/null + $ dd if=/dev/sdX of=/dev/null + +WRTIE: + + $ dd if=/dev/zero of=test + $ dd if=/dev/zero of=/dev/sdX + +smartmontools: + + seatage: + Raw_Read_Error_Rate + Seek_Error_Rate + + example: + % python + >>> 200009354607 & 0xFFFFFFFF + 2440858991 <---- total number + >>> (200009354607 & 0xFFFF00000000) >> 32 + 46 <--- number of errors |