topic Re: How to calculate IOPS without using Bonnie++ ? in Monitoring Splunk

How to calculate IOPS without using Bonnie++ ?

robjordan_boa — Mon, 28 Sep 2020 13:07:10 GMT

Trying to determine the 800-1200+ IOPS requirement is being met based on http://wiki.splunk.com/Community:HardwareTuningFactors

I'm not able to install Bonnie++ due to company restrictions. How can I calcualte IOPS? Runing on RedHat Linux 6 (2.6.18-238.9.1.el5 #1 SMP Fri Mar 18 12:42:39 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux)

I have some data below but not sure how to translate it into IOPS.

sar from sysadmin

Time: 08:56:29 PM
Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sdb             168.69         0.53         3.30    9477500   58565203

Time: 08:56:39 PM
Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sdb            1110.40         8.93        14.69         89        146

Time: 08:56:49 PM
Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sdb             721.60        10.49         5.63        104         56

Time: 08:56:59 PM
Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sdb             378.52         2.23         4.89         22         48

Time: 08:57:09 PM
Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sdb             528.50        10.42         8.09        104         80

Time: 08:57:19 PM
Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sdb            1861.58         7.37        33.73         73        337

Time: 08:57:29 PM
Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sdb            1550.80        11.69        34.63        116        346

iostat from *nix app

Device          rReq_PS      wReq_PS        rKB_PS        wKB_PS  avgWaitMillis   avgSvcMillis   bandwUtilPct
sda                0.00         0.00          0.00          0.00           0.00           0.00           0.00
sda1               0.00         0.00          0.00          0.00           0.00           0.00           0.00
sda3               0.00         0.00          0.00          0.00           0.00           0.00           0.00
sdb                0.00       675.25          0.00      10126.73          54.19           0.49          33.17
dm-0               0.00         0.00          0.00          0.00           0.00           0.00           0.00
dm-1               0.00         0.00          0.00          0.00           0.00           0.00           0.00
dm-2               0.00         0.00          0.00          0.00           0.00           0.00           0.00
dm-3               0.00         0.00          0.00          0.00           0.00           0.00           0.00
dm-4               0.00         0.00          0.00          0.00           0.00           0.00           0.00
dm-5               0.00      3685.15          0.00      14740.59          39.33           0.09          33.17

Re: How to calculate IOPS without using Bonnie++ ?

MuS — Wed, 16 Jan 2013 07:38:40 GMT

Hi robjordan_boa

take a look at this guide storage performance iops, this will show you how to calculate IOPS without bonnie++

cheers,

MuS

Re: How to calculate IOPS without using Bonnie++ ?

robjordan_boa — Wed, 16 Jan 2013 15:53:30 GMT

So is IOPS synonymous with TPS? I do have tps in the results above.

Fromt he link you sent:
What's IOPS?
IOPS - I/O operation per second, also can be transaction per second(tps)

Thanks,

Rob

Re: How to calculate IOPS without using Bonnie++ ?

twkan — Thu, 17 Jan 2013 02:04:25 GMT

If you can grab the binary version of bonnie++, you don't really need to install it in order to run it. You can just run it off as a normal user, provided you have write access to the volume path that you are interested to perform the benchmarking on.

The IOPS that Splunk recommends are based on Bonnie++. So if you are using other benchmarking utilities it will be challenging as the figures will varies.