Getting some server lag with only 1-4 people in the server, not many plugins either. HostyFlyte server, 6gb ram, 4 core CPU. With one player in the server just mining, CPU goes to 35-50% usage, ram at a constant 40%
When mining, it takes a second for the block to disappear.
------ Plugins ------
BigDoors, Essentials, EssentialsChat, EssentialsProtect, EssentialsSpawn, MoarBows, PermissionsEx*, PlaceholderAPI*, PluginSpoof*, SafeTrade, Vault, Wild, WorldEdit, WorldGuard