[likerise]

Ahh, I thought it should be lower because the #9 reply in the link you gave me:
http://www.litespeedtech.com/support...ead.php?t=6405

I must set "PHP suEXEC max conn" same as "EP" in cloudlinux ?

>>No, it should be lower than EP.

So that post could be a little misleading.

I will increase PHP suEXEC max conn and test again, thank you for your time!