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https://issues.apache.org/jira/browse/HDFS-9329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhe Zhang updated HDFS-9329:
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Attachment: HDFS-9329.00.patch
Actually the original test also uses {{waitFor}} in a wrong way. {{waitFor}}
waits for a condition to become true, rather than running a thread for a fixed
amount of time. Now the test finishes much faster (<15 seconds vs > 1 mins
before)
> TestBootstrapStandby#testRateThrottling is flaky because fsimage size is
> smaller than IO buffer size
> ----------------------------------------------------------------------------------------------------
>
> Key: HDFS-9329
> URL: https://issues.apache.org/jira/browse/HDFS-9329
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 2.7.1
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
> Priority: Minor
> Attachments: HDFS-9329.00.patch
>
>
> {{testRateThrottling}} verifies that bootstrap transfer should timeout with a
> very small {{DFS_IMAGE_TRANSFER_BOOTSTRAP_STANDBY_RATE_KEY}} value. However,
> throttling on the image sender only happens after sending each IO buffer.
> Therefore, the test sometimes fails if the receiver receives the full fsimage
> (which is smaller than IO buffer size) before throttling begins.
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