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ftp.stream-buffer-size 4096 The size of buffer to stream files. The size of this buffer should probably be a multiple of hardware page size (4096 on Intel x86), and it determines how much data is buffered during read and write operations. ftp.bytes-per-checksum 512 The number of bytes per ... 阅读全文
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kfs.stream-buffer-size 4096 The size of buffer to stream files. The size of this buffer should probably be a multiple of hardware page size (4096 on Intel x86), and it determines how much data is buffered during read and write operations. kfs.bytes-per-checksum 512 The number of bytes per ... 阅读全文
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s3native.stream-buffer-size 4096 The size of buffer to stream files. The size of this buffer should probably be a multiple of hardware page size (4096 on Intel x86), and it determines how much data is buffered during read and write operations. s3native.bytes-per-checksum 512 The number of ... 阅读全文
摘要：
s3.stream-buffer-size 4096 The size of buffer to stream files. The size of this buffer should probably be a multiple of hardware page size (4096 on Intel x86), and it determines how much data is buffered during read and write operations. s3.bytes-per-checksum 512 The number of bytes per ch... 阅读全文
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file.stream-buffer-size 4096 The size of buffer to stream files. The size of this buffer should probably be a multiple of hardware page size (4096 on Intel x86), and it determines how much data is buffered during read and write operations.注释： file.bytes-per-checksum 512 The number of bytes... 阅读全文
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net.topology.node.switch.mapping.impl org.apache.hadoop.net.ScriptBasedMapping The default implementation of the DNSToSwitchMapping. It invokes a script specified in net.topology.script.file.name to resolve node names. If the value for net.topology.script.file.name is not set, the de... 阅读全文
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hadoop.rpc.socket.factory.class.default org.apache.hadoop.net.StandardSocketFactory Default SocketFactory to use. This parameter is expected to be formatted as "package.FactoryClassName". 注释： hadoop.rpc.socket.factory.class.ClientProtocol SocketFactory to use to connect to a DFS. If nu... 阅读全文
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ipc.client.idlethreshold 4000 Defines the threshold number of connections after which connections will be inspected for idleness. 注释： ipc.client.kill.max 10 Defines the maximum number of clients to disconnect in one go. 注释： ipc.client.connection.maxidletime 10000 The maximu... 阅读全文
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fs.defaultFS file:/// The name of the default file system. A URI whose scheme and authority determine the FileSystem implementation. The uri's scheme determines the config property (fs.SCHEME.impl) naming the FileSystem implementation class. The uri's authority is used to determine the ho... 阅读全文
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io.file.buffer.size 4096 The size of buffer for use in sequence files. The size of this buffer should probably be a multiple of hardware page size (4096 on Intel x86), and it determines how much data is buffered during read and write operations.注释：操作sequence文件时的缓存大小。 io.bytes.per.checksum 5... 阅读全文