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mds: enable osdc op throttles#66578

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vshankar merged 1 commit intomainfrom
dvanders_mds_set_balanced_budget
Mar 3, 2026
Merged

mds: enable osdc op throttles#66578
vshankar merged 1 commit intomainfrom
dvanders_mds_set_balanced_budget

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@dvanders dvanders commented Dec 9, 2025

The MDS has some internal throttles, e.g. via the Filer, but these don't cover all ops, e.g. journal/table ops.
Enable the osdc op throttles to prevent the MDS from queuing up ops without bound, which is a known cause of MDS OOMs.

Fixes: https://tracker.ceph.com/issues/71136

@dvanders dvanders requested a review from batrick December 9, 2025 17:54
@github-actions github-actions bot added the cephfs Ceph File System label Dec 9, 2025
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jenkins retest this please

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jenkins retest this please

The MDS has some internal throttles, e.g. via the Filer, but these
don't cover all ops, e.g. journal ops.
Enable the osdc op throttles to prevent the MDS from queuing up ops
without bound, which is a known cause of MDS OOMs.

Fixes: https://tracker.ceph.com/issues/71136
Signed-off-by: Dan van der Ster <dan.vanderster@clyso.com>
@vshankar vshankar force-pushed the dvanders_mds_set_balanced_budget branch from 4ec1805 to e5abac3 Compare February 17, 2026 06:29
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Force pushed to hopefully get jenkins tests to run to completion.

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jenkins test make check

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This PR is under test in https://tracker.ceph.com/issues/75130.

vshankar added a commit to vshankar/ceph that referenced this pull request Feb 25, 2026
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vshankar commented Mar 2, 2026

jenkins retest this please

@vshankar vshankar merged commit 15d87f6 into main Mar 3, 2026
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@vshankar vshankar deleted the dvanders_mds_set_balanced_budget branch March 3, 2026 05:11
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3 participants