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Feature #4991

Log a message/warning when Dedup hashtable is larger than 1/2 of zfs_arc_meta size

Added by James Dickens over 5 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Start date:
2014-07-11
Due date:
% Done:

0%

Estimated time:
Difficulty:
Bite-size
Tags:
needs-triage

Description

Dedup users would be able to better understand why there system is slowing down because of excessive swapping caused by the dedup hash table dominates zfs_arc_meta storage. if the user got this message they could take an action to eliminate the issue, add memory, or l2arc.

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