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https://issues.apache.org/jira/browse/HDFS-8385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16385216#comment-16385216
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Akira Ajisaka commented on HDFS-8385:
-------------------------------------
IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_KEY and
IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_DEFAULT are actually used. Otherwise looks
good to me.
> Remove unused entities (variables,methods and configurations)
> --------------------------------------------------------------
>
> Key: HDFS-8385
> URL: https://issues.apache.org/jira/browse/HDFS-8385
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: J.Andreina
> Assignee: J.Andreina
> Priority: Major
> Attachments: HDFS-8385.1.patch, HDFS-8385.2.patch, HDFS-8385.3.patch
>
>
> Below are few unused constants , methods and configurations which can be
> removed.
> *DfsClientConf*
> public ChecksumOpt getDefaultChecksumOpt() {
> return defaultChecksumOpt;
> }
> *HdfsServerConstants*
> long LEASE_RECOVER_PERIOD = 10 * 1000; // in ms
> public static final String DFS_STREAM_BUFFER_SIZE_KEY =
> "dfs.stream-buffer-size";
> public static final int DFS_STREAM_BUFFER_SIZE_DEFAULT = 4096;
> *CommonConfigurationKeys*
> public static final String FS_HOME_DIR_KEY = "fs.homeDir";
> public static final String FS_HOME_DIR_DEFAULT = "/user";
> public static final String IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_KEY =
> "io.compression.codec.lzo.buffersize";
> public static final String IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEY =
> "io.compression.codec.snappy.buffersize";
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