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Feature #10657

closed

MDS: warn when clients are not advancing their oldest_client_tid

Added by Greg Farnum over 9 years ago. Updated almost 8 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Zheng Yan
Category:
-
Target version:
-
% Done:

0%

Source:
Development
Tags:
Backport:
Reviewed:
Affected Versions:
Component(FS):
MDS
Labels (FS):
Pull request ID:

Description

There was a bug in the kernel client which prevented it from updating the oldest_client_tid shared with the MDS. This prevents the MDS from trimming its completed_requests map; see #10449.

Add monitoring to the client session which warns via MDS health if there is a client not advancing their reported oldest_client_tid at a reasonable pace.

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