Small file performance evaluation

The results of the small file performance test by mdtest are as follows:

Configuration

#!/bin/bash
set -e
TARGET_PATH="/mnt/test/mdtest" # mount point of CubeFS volume
for FILE_SIZE in 1024 2048 4096 8192 16384 32768 65536 131072 # file size
do
mpirun --allow-run-as-root -np 512 --hostfile hfile64 mdtest -n 1000 -w $i -e $FILE_SIZE -y -u -i 3 -N 1 -F -R -d $TARGET_PATH;
done

Test Results

File Size (KB)	1	2	4	8	16	32	64	128
Creation (TPS)	70383	70383	73738	74617	69479	67435	47540	27147
Read (TPS)	108600	118193	118346	122975	116374	110795	90462	62082
Deletion (TPS)	87648	84651	83532	79279	85498	86523	80946	84441
Stat (TPS)	231961	263270	264207	252309	240244	244906	273576	242930

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Environment Preparation IO Performance Evaluation