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Bug #5269

zpool import slow

Added by Arne Jansen about 6 years ago. Updated over 5 years ago.

Status:
Closed
Priority:
Urgent
Assignee:
Category:
zfs - Zettabyte File System
Start date:
2015-06-04
Due date:
% Done:

100%

Estimated time:
(Total: 0.00 h)
Difficulty:
Medium
Tags:
needs-triage
Gerrit CR:

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.


Subtasks

Bug #5981: Deadlock in dmu_objset_find_dpClosed2015-06-04

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