On 2014-04-14 16:30, Lakshmi wrote:
Hi Jens,
I am trying to run a replay job with ioengine set as libaio. the
other paratemers are shown below.
===================================================
[global]
#replay_no_stall=1
ioengine=libaio
iodepth=60
direct=0
group_reporting=1
[job1]
read_iolog=/home/TRACE_REPLAY_1/MarkTrace_Replay_1/pBlock_4kBusy_nanosec_device/file_54657438.bin
===================================================
however when i run the Job i keep getting the below error
job1: (groupid=0, jobs=90): err=28 (file:io_u.c:1550, func=io_u error,
error=No space left on device): pid=13103: Mon Apr 14 17:24:36 2014
read : io=10288KB, bw=7788.4KB/s, iops=1947, runt= 1321msec
slat (usec): min=4, max=3311, avg= 7.03, stdev=65.18
clat (usec): min=107, max=28167, avg=4105.30, stdev=2070.77
lat (usec): min=114, max=31479, avg=4112.50, stdev=2086.66
........................................
bw (KB /s): min= 7720, max= 7888, per=100.00%, avg=7804.00, stdev=118.79
write: io=179568KB, bw=135933KB/s, iops=33868, runt= 1321msec
slat (usec): min=3, max=24637, avg=686.05, stdev=1486.47
clat (usec): min=14, max=70161, avg=5362.90, stdev=3996.05
=========================================
I don't get this when i try with sync or posixaio. Am I missing something here?
Please let me know what is causing this in libaio engine.
That sounds odd. Can you send me the file_54657438.bin blktrace file?
Probably compress it first.
--
Jens Axboe
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