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https://issues.apache.org/jira/browse/HDFS-17944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDFS-17944:
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Labels: pull-request-available (was: )
> Negative dfs.client.read.shortcircuit.streams.cache.size reports internal
> maxTotalSize error
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-17944
> URL: https://issues.apache.org/jira/browse/HDFS-17944
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 3.4.3
> Reporter: jiang he
> Priority: Major
> Labels: pull-request-available
>
> When dfs.client.read.shortcircuit.streams.cache.size is set to a negative
> value, HDFS client reports an internal variable name instead of the
> user-facing configuration key.
> Reproduction:
> Use the following HDFS client-related configuration:
> <property>
> <name>dfs.client.read.shortcircuit</name>
> <value>true</value>
> </property>
> <property>
> <name>dfs.client.read.shortcircuit.streams.cache.size</name>
> <value>-1</value>
> </property>
> <property>
> <name>dfs.domain.socket.path</name>
> <value></value>
> </property>
> Run a simple HDFS client operation.
> Actual result:
> The client fails with:
> java.lang.IllegalArgumentException: maxTotalSize must be greater than zero.
> Expected result:
> The exception should mention the actual configuration key, for example:
> dfs.client.read.shortcircuit.streams.cache.size must be greater than zero.
> Reproduced locally:
> - Negative value dfs.client.read.shortcircuit.streams.cache.size=-1 failed.
> - Normal value dfs.client.read.shortcircuit.streams.cache.size=256 passed.
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