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Fix #46696

mds: pre-fragment distributed ephemeral pin directories to distribute the subtree bounds

Added by Patrick Donnelly 16 days ago.

Status:
New
Priority:
High
Category:
-
Target version:
% Done:

0%

Source:
Development
Tags:
Backport:
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
multimds
Pull request ID:
Crash signature:

Description

As a workaround for #46648, pre-micro-fragment a directory that is distributed so that a single MDS does not track all of the bounds. Each small fragment can be ephemerally pinned too so the fragments are evenly spread across the MDS cluster.

Credit Zheng for the idea.


Related issues

Related to fs - Bug #46648: mds: cannot handle hundreds+ of subtrees New

History

#1 Updated by Patrick Donnelly 16 days ago

  • Related to Bug #46648: mds: cannot handle hundreds+ of subtrees added

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