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Bug #20653

closed

bluestore: aios don't complete on very large writes on xenial

Added by Sage Weil almost 7 years ago. Updated over 6 years ago.

Status:
Can't reproduce
Priority:
High
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

cpach:ceph-deploy (master) 03:06 PM $ dpkg -l linux-image-generic
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
ii  linux-image-ge 4.4.0.83.89  amd64        Generic Linux kernel image
cpach:ceph-deploy (master) 03:07 PM $ uname -a
Linux cpach 4.4.0-65-generic #86-Ubuntu SMP Thu Feb 23 17:49:58 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
cpach:ceph-deploy (master) 03:07 PM $ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.2 LTS
Release:        16.04
Codename:       xenial

40x ~12MB osdmap writes, resulting in ~9000 (?) aios, but we stop draining them about halfway through.

(worked around by reducing osd_map_message_max to 5.)

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