Hi 浩一ä,
Could you please check as well possible ressources bottlenecks on your VPS?
cat /proc/user_beancounters
Please inform yourself about this command and its informations at:
https://openvz.org/Human_readable_user_beancounters
This is my vps ressources bottlenecks
cat /proc/user_beancounters
Version: 2.5
uid resource held maxheld barrier limit failcnt
10008200: kmemsize 22404384 22425803 9223372036854775807 9223372036854775807 0
lockedpages 5628 5628 9223372036854775807 9223372036854775807 0
privvmpages 292688 292850 1048576 1048576 0
shmpages 27466 27466 9223372036854775807 9223372036854775807 0
dummy 0 0 9223372036854775807 9223372036854775807 0
numproc 163 163 32567 32567 0
physpages 108847 108728 9223372036854775807 9223372036854775807 0
vmguarpages 0 0 524288 9223372036854775807 0
oomguarpages 108847 108728 9223372036854775807 9223372036854775807 0
numtcpsock 258 258 9223372036854775807 9223372036854775807 0
numflock 36 36 9223372036854775807 9223372036854775807 0
numpty 2 2 255 255 0
numsiginfo 0 0 1024 1024 0
tcpsndbuf 47429856 47429856 9223372036854775807 9223372036854775807 0
tcprcvbuf 4227072 4227072 9223372036854775807 9223372036854775807 0
othersockbuf 1214368 1214368 9223372036854775807 9223372036854775807 0
dgramrcvbuf 0 0 9223372036854775807 9223372036854775807 0
numothersock 515 516 9223372036854775807 9223372036854775807 0
dcachesize 1459346 1462163 9223372036854775807 9223372036854775807 0
numfile 6585 6594 9223372036854775807 9223372036854775807 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
numiptent 14 14 9223372036854775807 9223372036854775807 0
Thank you for your information.