Project

General

Profile

Actions
Copy link

Bug #15847

closed

Possible performance degradation for 128K sequential reads when compared to Hammer

Added by Jason Dillaman almost 8 years ago. Updated over 6 years ago.

Status:
Can't reproduce
Priority:
Normal
Assignee:
-
Target version:
-
% Done:

0%

Source:
other
Tags:
Backport:
jewel
Regression:
Yes
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Actions
Copy link
 #1

Updated by Jason Dillaman almost 8 years ago

  • Subject changed from Performance degradation within AioCompletion due to unique_lock_name to Performance degradation within AioCompletion compared to Hammer
Actions
Copy link
 #2

Updated by Jason Dillaman almost 8 years ago 

/home/ubuntu/src/fio/fio --ioengine=rbd --clientname=admin --pool=cbt-librbdfio --rbdname=cbt-librbdfio-`hostname -f`-0 --invalidate=0 --rw=read --runtime=300 --ramp_time=None --numjobs=1 --direct=1 --bs=131072B --iodepth=32 --end_fsync=0 --write_iops_log=/tmp/cbt/00000000/LibrbdFio/osd_ra-00004096/op_size-00131072/concurrent_procs-008/iodepth-032/read/output.0 --write_bw_log=/tmp/cbt/00000000/LibrbdFio/osd_ra-00004096/op_size-00131072/concurrent_procs-008/iodepth-032/read/output.0 --write_lat_log=/tmp/cbt/00000000/LibrbdFio/osd_ra-00004096/op_size-00131072/concurrent_procs-008/iodepth-032/read/output.0 --log_avg_msec=100 --name=librbdfio-`hostname -f`-0  > /tmp/cbt/00000000/LibrbdFio/osd_ra-00004096/op_size-00131072/concurrent_procs-008/iodepth-032/read/output.0
Actions
Copy link
 #3

Updated by Jason Dillaman almost 8 years ago

  • Subject changed from Performance degradation within AioCompletion compared to Hammer to Possible performance degradation for 128K sequential reads when compared to Hammer
Actions
Copy link
 #4

Updated by Jason Dillaman over 6 years ago

  • Status changed from New to Can't reproduce
Actions
Copy link

Also available in: Atom PDF