Torrey McMahon wrote:
Howdy folks.
I've a customer looking to use ZFS in a DR situation. They have a large
data store where they will be taking snapshots every N minutes or so,
sending the difference of the snapshot and previous snapshot with zfs
send -i to a remote host, and in case of DR firing up the secondary.
Cool!
However, I've seen a few references to the speed of zfs send being,
well, a bit slow. Anyone want to comment on the current speed of "zfs
send"? Any recent changes or issues found in this area?
What bits are you running? I made some recent improvements (6490104,
fixed in build 53, targeted for s10u4). There are still a few issues,
but by and large, performance should be very good.
Can you describe what problem you're experiencing? How much data, how
many files, how big of a stream, what transport, how long it takes, are
you seeing lots of CPU or disk activity on the sending or receiving side
when it's slow?
--matt
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