HADOOP-8069. Enable TCP_NODELAY by default for IPC. (Contributed by Todd Lipcon)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1614242 13f79535-47bb-0310-9956-ffa450edef68
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@ -460,6 +460,9 @@ Release 2.6.0 - UNRELEASED
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HADOOP-10882. Move DirectBufferPool into common util. (todd)
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HADOOP-8069. Enable TCP_NODELAY by default for IPC. (Todd Lipcon via
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Arpit Agarwal)
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OPTIMIZATIONS
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BUG FIXES
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@ -207,7 +207,7 @@ public class CommonConfigurationKeysPublic {
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public static final String IPC_CLIENT_TCPNODELAY_KEY =
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"ipc.client.tcpnodelay";
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/** Defalt value for IPC_CLIENT_TCPNODELAY_KEY */
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public static final boolean IPC_CLIENT_TCPNODELAY_DEFAULT = false;
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public static final boolean IPC_CLIENT_TCPNODELAY_DEFAULT = true;
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/** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */
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public static final String IPC_SERVER_LISTEN_QUEUE_SIZE_KEY =
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"ipc.server.listen.queue.size";
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@ -226,7 +226,7 @@ public class CommonConfigurationKeysPublic {
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public static final String IPC_SERVER_TCPNODELAY_KEY =
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"ipc.server.tcpnodelay";
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/** Default value for IPC_SERVER_TCPNODELAY_KEY */
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public static final boolean IPC_SERVER_TCPNODELAY_DEFAULT = false;
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public static final boolean IPC_SERVER_TCPNODELAY_DEFAULT = true;
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/** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */
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public static final String HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY =
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@ -807,25 +807,6 @@ for ldap providers in the same way as above does.
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</description>
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</property>
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<property>
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<name>ipc.server.tcpnodelay</name>
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<value>false</value>
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<description>Turn on/off Nagle's algorithm for the TCP socket connection on
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the server. Setting to true disables the algorithm and may decrease latency
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with a cost of more/smaller packets.
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</description>
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</property>
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<property>
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<name>ipc.client.tcpnodelay</name>
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<value>false</value>
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<description>Turn on/off Nagle's algorithm for the TCP socket connection on
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the client. Setting to true disables the algorithm and may decrease latency
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with a cost of more/smaller packets.
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</description>
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</property>
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<!-- Proxy Configuration -->
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<property>
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