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Date:      Thu, 28 Nov 2019 13:46:07 +0700
From:      Eugene Grosbein <eugen@grosbein.net>
To:        FreeBSD stable <freebsd-stable@freebsd.org>
Subject:   Slow zfs destroy
Message-ID:  <01ca3a41-6cd2-823f-a8c1-30a47a0bbc98@grosbein.net>

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Hi!

Is it normal that "zfs destroy" for one ZVOL with attribute "used" equal to 2112939808 bytes (~2GB)
takes over two minutes waiting on "tx_sync_done_cv"? The pool is RAID1 over five SSDs encrypted with GELI
having ZIL and Cache on distinct unencrypted SSD.

11.3-STABLE/amd64 r354667. System has 360G RAM and vfs.zfs.arc_max=160g.



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