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3740 Poor ZFS send / receive performance due to snapshot hold / release processing
Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 20,29 **** --- 20,30 ---- */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2012 by Delphix. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. + * Copyright (c) 2013 Steven Hartland. All rights reserved. */ /* * The objective of this program is to provide a DMU/ZAP/SPA stress test * that runs entirely in userland, is easy to use, and easy to extend.
*** 4709,4719 **** fullname, error); } error = user_release_one(fullname, tag); if (error) ! fatal(0, "user_release_one(%s)", fullname, tag); VERIFY3U(dmu_objset_hold(fullname, FTAG, &origin), ==, ENOENT); out: (void) rw_unlock(&ztest_name_lock); --- 4710,4720 ---- fullname, error); } error = user_release_one(fullname, tag); if (error) ! fatal(0, "user_release_one(%s, %s) = %d", fullname, tag, error); VERIFY3U(dmu_objset_hold(fullname, FTAG, &origin), ==, ENOENT); out: (void) rw_unlock(&ztest_name_lock);