zhixingheyi-tian created HADOOP-19749:
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Summary: For shortcircuit reading,
dfs.client.read.shortcircuit.skip.checksum does not take effect
Key: HADOOP-19749
URL: https://issues.apache.org/jira/browse/HADOOP-19749
Project: Hadoop Common
Issue Type: Bug
Components: hdfs
Affects Versions: 3.3.3
Reporter: zhixingheyi-tian
For shortcircuit reading, dfs.client.read.shortcircuit.skip.checksum does not
take effect.
Because, refer tp below code block ;
"setVerifyChecksum(verifyChecksum)" will override
"Builder(conf.getShortCircuitConf())".
src/main/java/org/apache/hadoop/hdfs/client/impl/BlockReaderFactory.java
{code:java}
return new BlockReaderLocal.Builder(conf.getShortCircuitConf()).
setFilename(fileName).
setBlock(block).
setStartOffset(startOffset).
setShortCircuitReplica(info.getReplica()).
setVerifyChecksum(verifyChecksum).
setCachingStrategy(cachingStrategy).
setStorageType(storageType).
build();
}
{code}
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