> Transparent huge pages are not helpful for DB workload which there is a lot of > shared memory Hmm. Perhaps they should be. If a database allocates most[1] of the memory on a machine to a shared memory segment - that *ought* to be a candidate for using transparent huge pages. Now that we have them they seem a better choice (much more flexibility) than hugetlbfs. -Tony [1] I've been told that it is normal to configure over 95% of physical memory to the shared memory region to run a particular transaction based benchmark with one commercial data base application. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href