A couple weeks ago, after we moved a user's home directory from a 5.7 box to 6.2, he came to complain about slowness.

Unpack file from NFS-mounted directory to local disk, like /tmp, everything's normal. cd to the NFS-mounted directory, and unpack it there, and it was six to seven times slower. We repeated this a number of times, on a number of machines. At first, we thought it was an NFSv4 issue, and I filed a bug with RedHat about it.

Then we did more testing; it seems to occur with 6.2; it's going to happen if that's got ext4.

However, my manager saw something else, just today: he noticed one of our nightly backup servers was taking much, much longer to complete the rsync and delete. Then he saw that I'd updated that backup server to 6.2, and after the backups started running again (probably missing modules), they were taking a lot longer... about 6-7 times longer. As in going from between .5 and 1 hr, to 5.5 to 9 hours.

Anyone else seeing this behavior?

mark