search for: dmu_zfetch

Displaying 4 results from an estimated 4 matches for "dmu_zfetch".

2010 Jan 12
0
dmu_zfetch_find - lock contention?
...have much time to look around and had to redirect live traffic somewhere else but before I did I managed to get the below: # dtrace -n profile-997''{@[stack()]=count();}'' [...] unix`default_lock_delay+0x48 unix`mutex_vector_enter+0x99 zfs`dmu_zfetch_find+0x1f9 zfs`dmu_zfetch+0xc9 zfs`dbuf_read+0x27a zfs`dmu_buf_hold_array_by_dnode+0x287 zfs`dmu_buf_hold_array+0x81 zfs`dmu_read_uio+0x49 zfs`zfs_read+0x15e zfs`zfs_shim_read+0xc genunix...
2013 May 15
1
still mbuf leak in 9.0 / 9.1?
Hi list, since we activated 10gbe on ixgbe cards + jumbo frames(9k) on 9.0 and now on 9.1 we recognize that after a random period of time, sometimes a week, sometimes only a day, the system doesn't send any packets out. The phenomenon is that you can't login via ssh, nfs and istgt is not operative. Yet you can login on the console and execute commands. A clean shutdown isn't possible
2006 Jul 17
11
ZFS bechmarks w/8 disk raid - Quirky results, any thoughts?
Hi All, I''ve just built an 8 disk zfs storage box, and I''m in the testing phase before I put it into production. I''ve run into some unusual results, and I was hoping the community could offer some suggestions. I''ve bascially made the switch to Solaris on the promises of ZFS alone (yes I''m that excited about it!), so naturally I''m looking
2007 Feb 26
15
Efficiency when reading the same file blocks
if you have N processes reading the same file sequentially (where file size is much greater than physical memory) from the same starting position, should I expect that all N processes finish in the same time as if it were a single process? In other words, if you have one process that reads blocks from a file, is it "free" (meaning no additional total I/O cost) to have another process