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diff --git a/080_blog/00015_Admin/00020_Benchmarking-and-Stress-testing/index.md b/080_blog/00015_Admin/00020_Benchmarking-and-Stress-testing/index.md deleted file mode 100644 index facfc17..0000000 --- a/080_blog/00015_Admin/00020_Benchmarking-and-Stress-testing/index.md +++ /dev/null @@ -1,68 +0,0 @@ -# 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 |