[zfs-discuss] Why does ARC grow above hard limit?

2010-04-05 Thread Mike Z
I would appreciate if somebody can clarify a few points. I am doing some random WRITES (100% writes, 100% random) testing and observe that ARC grows way beyond the hard limit during the test. The hard limit is set 512 MB via /etc/system and I see the size going up to 1 GB - how come is it

[zfs-discuss] ZFS behavior under limited resources

2010-04-02 Thread Mike Z
I am trying to see how ZFS behaves under resource starvation - corner cases in embedded environments. I see some very strange behavior. Any help/explanation would really be appreciated. My current setup is : OpenSolaris 111b (iSCSI seems to be broken in 132 - unable to get multiple