newest ubuntu release

? A desktop memory is 3G, but free has only 200M of memory and cannot meet the needs of Scala's JVM.Note Use the top command to see the true free memory. Here's another command to see how much memory is actually used. Watch-n 1 Cat/proc/meminfo Search found that there are three ways to achieve the purpose of freeing memory. Watch-n 1 free-m Or Free-m The above method only increased by dozens of M. sudo sysctl-w vm.drop_caches=3 The purpose of thi

A desktop Ubuntu memory total 4G, but free memory only 100MNote Use the top command to see the true free memory. Here's another command to see how much memory is actually used.Watch-n 1 Cat/proc/meminfoSearch found that there are three ways to achieve the purpose of freeing memory.Watch-n 1 free-mOrFree-mThe above method only increased by dozens of M.sudo sysctl-w vm.drop_caches=3The purpose of this method is to r