Bug #5269
Added by Arne Jansen about 6 years ago.
Updated over 5 years ago.
Category:
zfs - Zettabyte File System
Estimated time:
(Total: 0.00 h)
Description
When importing a pool (at boot or with zpool import) with many filesystem, the process can take minutes. It doesn't matter whether the pool has been exported cleanly or uncleanly.
The problem is that each dataset has its own log chain. On import, all datasets have to be checked if there are logs to replay.
The idea is to speed up this process by paralellizing it.
Hello,
Does this issue fixed in latest zfs code?
I checked the mail loop, seems we already have got the solution.
Thanks.
Not yet. There is a solution, but it still needs rigorous testing. I hope to get around to it in the next few weeks.
We see this all the time on our servers when they are booting. a long delay of more then several minutes, all while running the `zpool import -f zones` command.
We are interested in doing some testing, we just need to know where the code is to test it out is.
- % Done changed from 0 to 100
- Status changed from New to Closed
git commit 12380e1e701fda28c9e9f32d01cafb54af279eb5
commit 12380e1e701fda28c9e9f32d01cafb54af279eb5
Author: Arne Jansen <jansen@webgods.de>
Date: 2015-05-09T17:02:31.000Z
5269 zpool import slow
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>
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