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Bug #38746

closed

msgr2 leaking buffers

Added by Sage Weil about 5 years ago. Updated about 5 years ago.

Status:
Resolved
Priority:
Immediate
Assignee:
-
Category:
-
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(RADOS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

osds with bluestore consume too much ram (seeing 20GB on sepia)

to reproduce with vstart, watch bin/ceph daemon osd.0 dump_mempool and watch the 'bluestore_writing' counter increase as you write data into the clsuter.

in contrast, if you run vstart with --msgr1, the same workload will show bluestore_writing spike during writes but drop after, and not grow without bound.

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