pigz

 

##############################压缩########################################

不使用并行
time tar -czvf mybak20250124.tar.gz ./mybak20250124
real 43m38.657s
user 35m38.891s
sys 1m40.287s

 

使用并行
time tar cvf - mybak20250124 | pigz -p 4 > mybak20250124_pigz.tar.gz
real 26m30.850s
user 37m3.782s
sys 1m16.111s

 

time tar cvf - mybak20250124 | pigz -p 8 > mybak20250124_pigz8.tar.gz
real 26m18.533s
user 37m6.023s
sys 1m13.365s

 

################################解压###############################

使用pigz

 

cd /nasdata/rdsbackup_download/rm-wz96c1apl6tagv357/tmp20250205
time tar --use-compress-program=pigz -xvf hins33085465_data_20250201015404.tar.gz -C /nasdata/middle/mysql57/data
real    53m12.386s
user    44m23.508s
sys     24m21.102s

 

 

未使用pigz

cd /nasdata/rdsbackup_download/rm-wz96c1apl6tagv357/tmp20250205
time tar -xvf hins33085465_data_20250201015404.tar.gz -C /nasdata/middle/mysql57/data
real    81m25.293s
user    60m31.357s
sys     20m55.727s