Bug 1558992 - 30% regression in renames from 3.3.1
Summary: 30% regression in renames from 3.3.1
Keywords:
Status: CLOSED DEFERRED
Alias: None
Product: Red Hat Gluster Storage
Classification: Red Hat Storage
Component: distribute
Version: rhgs-3.4
Hardware: All
OS: Linux
high
high
Target Milestone: ---
: ---
Assignee: Susant Kumar Palai
QA Contact: Prasad Desala
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-03-21 13:15 UTC by Karan Sandha
Modified: 2023-09-14 04:25 UTC (History)
13 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2020-01-02 06:24:16 UTC
Embargoed:

Attachments (Terms of Use)
Rename_profile_312213 (35.05 KB, text/plain)
2018-07-02 10:54 UTC, Karan Sandha 		no flags Details
Profile_rename_340_custom (35.13 KB, text/plain)
2018-07-27 10:46 UTC, Karan Sandha 		no flags Details
View All

Description Karan Sandha 2018-03-21 13:15:56 UTC 
Description of problem:
Regression seen on smallfile renames from rhgs 3.3.1 to rhgs 3.4.0 on fuse mount. 

Version-Release number of selected component (if applicable):
3.12.2-5

How reproducible:
100%
profile infos are kept at sosreports are placed at sosreport and statedumps at mount -t cifs -oguest
//newtssuitcase.lab.eng.blr.redhat.com/newtssuitcase /BZ_sosreports/Karan/Porfile_info/

Steps to Reproduce:
1. Run small-file creates on 6 node setup using 6 client machines below command qeSyncDropCaches.sh; python /small-files/smallfile/smallfile_cli.py --operation renamess --threads 8 --file-size 64 --files 5000 --top /gluster-mount  --host-set "`echo $CLIENT | tr ' ' ','`"
2. now compare the same with RHGS 3.3.1 i.e 3.8.4.54.3 


Actual results:
Regression seen between release  

Expected results:
No regression should be observed


Additional info:
not a brick mux setup.
The performance numbers weren't consistent i.e after every iterations the regression was more. 
regression seen on 2x2 volume also
Comment 3 Karan Sandha 2018-03-22 07:17:22 UTC 
Profile infos at

mount -t cifs -oguest //newtssuitcase.lab.eng.blr.redhat.com/newtssuitcase

/BZ_sosreports/ksandha/Porfile_info
Comment 7 Karthik U S 2018-03-23 09:52:50 UTC 
Karan,

Please provide the strace output of the brick processes.
Comment 12 Sunil Kumar Acharya 2018-06-27 03:06:02 UTC 
Upstream patch: https://review.gluster.org/#/c/20392/
Comment 16 Karan Sandha 2018-07-02 10:54:18 UTC 
Created attachment 1455938 [details]
Rename_profile_312213
Comment 31 Karan Sandha 2018-07-27 10:46:18 UTC 
Created attachment 1471059 [details]
Profile_rename_340_custom
Comment 49 Red Hat Bugzilla 2023-09-14 04:25:49 UTC 
The needinfo request[s] on this closed bug have been removed as they have been unresolved for 1000 days
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