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https://issues.apache.org/jira/browse/HDDS-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17650608#comment-17650608
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mingchao zhao commented on HDDS-1771:
-------------------------------------
Ozone 1.3.0 had been released and we currently have more than 600 open issues
targeted for 1.3.0. I am moving the target field to 1.4.0.
If there is anything needs to be discussed about the Target Version, Please
reach out to me via Apache email or Slack.
> Add slow IO disk test to fault injection test
> ---------------------------------------------
>
> Key: HDDS-1771
> URL: https://issues.apache.org/jira/browse/HDDS-1771
> Project: Apache Ozone
> Issue Type: Improvement
> Components: test
> Reporter: Eric Yang
> Priority: Major
> Attachments: HDDS-1771.001.patch, HDDS-1771.002.patch,
> HDDS-1771.003.patch
>
>
> In fault injection test, one possible simulation is to create slow disk IO.
> This test can assist in developing a set of timing profiles that works for
> Ozone cluster. When we write to a file, the data travels across a bunch of
> buffers and caches before it is effectively written to the disk. By
> controlling cgroup blkio rate in Linux Kernel, we can simulate slow disk
> read, write. Docker provides the following parameters to control cgroup:
> {code}
> --device-read-bps=""
> --device-write-bps=""
> --device-read-iops=""
> --device-write-iops=""
> {code}
> The test will be added to read/write test with docker compose file as
> parameters to test the timing profiles.
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