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@@ -62,10 +62,6 @@ creations/deletions), or "all".</td>
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determine the host, port, etc. for a filesystem.</td>
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</tr>
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<tr>
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-<td><a name="fs.trash.root">fs.trash.root</a></td><td>${hadoop.tmp.dir}/Trash</td><td>The trash directory, used by FsShell's 'rm' command.
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- </td>
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-</tr>
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-<tr>
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<td><a name="fs.trash.interval">fs.trash.interval</a></td><td>0</td><td>Number of minutes between trash checkpoints.
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If zero, the trash feature is disabled.
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</td>
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@@ -106,25 +102,25 @@ creations/deletions), or "all".</td>
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</td>
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</tr>
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<tr>
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-<td><a name="dfs.secondary.http.bindAddress">dfs.secondary.http.bindAddress</a></td><td>0.0.0.0:50090</td><td>
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- The secondary namenode http server bind address and port.
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+<td><a name="dfs.secondary.http.address">dfs.secondary.http.address</a></td><td>0.0.0.0:50090</td><td>
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+ The secondary namenode http server address and port.
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If the port is 0 then the server will start on a free port.
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</td>
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</tr>
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<tr>
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-<td><a name="dfs.datanode.bindAddress">dfs.datanode.bindAddress</a></td><td>0.0.0.0:50010</td><td>
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- The address where the datanode will listen to.
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+<td><a name="dfs.datanode.address">dfs.datanode.address</a></td><td>0.0.0.0:50010</td><td>
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+ The address where the datanode server will listen to.
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If the port is 0 then the server will start on a free port.
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</td>
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</tr>
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<tr>
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-<td><a name="dfs.datanode.http.bindAddress">dfs.datanode.http.bindAddress</a></td><td>0.0.0.0:50075</td><td>
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- The datanode http server bind address and port.
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+<td><a name="dfs.datanode.http.address">dfs.datanode.http.address</a></td><td>0.0.0.0:50075</td><td>
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+ The datanode http server address and port.
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If the port is 0 then the server will start on a free port.
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</td>
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</tr>
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<tr>
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-<td><a name="dfs.http.bindAddress">dfs.http.bindAddress</a></td><td>0.0.0.0:50070</td><td>
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+<td><a name="dfs.http.address">dfs.http.address</a></td><td>0.0.0.0:50070</td><td>
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The address and the base port where the dfs namenode web ui will listen on.
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If the port is 0 then the server will start on a free port.
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</td>
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@@ -163,6 +159,11 @@ creations/deletions), or "all".</td>
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directories, for redundancy. </td>
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</tr>
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<tr>
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+<td><a name="dfs.web.ugi">dfs.web.ugi</a></td><td>webuser,webgroup</td><td>The user account used by the web interface.
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+ Syntax: USERNAME,GROUP1,GROUP2, ...
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+ </td>
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+</tr>
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+<tr>
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<td><a name="dfs.permissions">dfs.permissions</a></td><td>true</td><td>
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If "true", enable permission checking in HDFS.
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If "false", permission checking is turned off,
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@@ -267,6 +268,12 @@ creations/deletions), or "all".</td>
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</td>
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</tr>
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<tr>
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+<td><a name="dfs.namenode.decommission.interval">dfs.namenode.decommission.interval</a></td><td>300</td><td>Namenode periodicity in seconds to check if decommission is complete.</td>
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+</tr>
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+<tr>
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+<td><a name="dfs.replication.interval">dfs.replication.interval</a></td><td>3</td><td>The periodicity in seconds with which the namenode computes repliaction work for datanodes. </td>
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+</tr>
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+<tr>
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<td><a name="fs.s3.block.size">fs.s3.block.size</a></td><td>67108864</td><td>Block size to use when writing files to S3.</td>
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</tr>
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<tr>
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@@ -291,8 +298,8 @@ creations/deletions), or "all".</td>
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</td>
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</tr>
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<tr>
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-<td><a name="mapred.job.tracker.http.bindAddress">mapred.job.tracker.http.bindAddress</a></td><td>0.0.0.0:50030</td><td>
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- The job tracker http server bind address and port.
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+<td><a name="mapred.job.tracker.http.address">mapred.job.tracker.http.address</a></td><td>0.0.0.0:50030</td><td>
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+ The job tracker http server address and port the server will listen on.
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If the port is 0 then the server will start on a free port.
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</td>
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</tr>
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@@ -303,8 +310,10 @@ creations/deletions), or "all".</td>
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</td>
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</tr>
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<tr>
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-<td><a name="mapred.task.tracker.report.bindAddress">mapred.task.tracker.report.bindAddress</a></td><td>127.0.0.1:0</td><td>The interface that task processes use to communicate
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- with their parent tasktracker process.</td>
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+<td><a name="mapred.task.tracker.report.address">mapred.task.tracker.report.address</a></td><td>127.0.0.1:0</td><td>The interface and port that task tracker server listens on.
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+ Since it is only connected to by the tasks, it uses the local interface.
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+ EXPERT ONLY. Should only be changed if your host does not have the loopback
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+ interface.</td>
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</tr>
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<tr>
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<td><a name="mapred.local.dir">mapred.local.dir</a></td><td>${hadoop.tmp.dir}/mapred/local</td><td>The local directory where MapReduce stores intermediate
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@@ -452,8 +461,8 @@ creations/deletions), or "all".</td>
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</td>
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</tr>
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<tr>
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-<td><a name="mapred.task.tracker.http.bindAddress">mapred.task.tracker.http.bindAddress</a></td><td>0.0.0.0:50060</td><td>
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- The task tracker http server bind address and port.
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+<td><a name="mapred.task.tracker.http.address">mapred.task.tracker.http.address</a></td><td>0.0.0.0:50060</td><td>
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+ The task tracker http server address and port.
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If the port is 0 then the server will start on a free port.
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</td>
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</tr>
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@@ -564,6 +573,22 @@ creations/deletions), or "all".</td>
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</td>
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</tr>
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<tr>
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+<td><a name="mapred.task.profile">mapred.task.profile</a></td><td>false</td><td>To set whether the system should collect profiler
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+ information for some of the tasks in this job? The information is stored
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+ in the the user log directory. The value is "true" if task profiling
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+ is enabled.</td>
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+</tr>
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+<tr>
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+<td><a name="mapred.task.profile.maps">mapred.task.profile.maps</a></td><td>0-2</td><td> To set the ranges of map tasks to profile.
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+ mapred.task.profile has to be set to true for the value to be accounted.
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+ </td>
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+</tr>
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+<tr>
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+<td><a name="mapred.task.profile.reduces">mapred.task.profile.reduces</a></td><td>0-2</td><td> To set the ranges of reduce tasks to profile.
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+ mapred.task.profile has to be set to true for the value to be accounted.
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+ </td>
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+</tr>
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+<tr>
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<td><a name="ipc.client.timeout">ipc.client.timeout</a></td><td>60000</td><td>Defines the timeout for IPC calls in milliseconds.</td>
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</tr>
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<tr>
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@@ -596,6 +621,18 @@ creations/deletions), or "all".</td>
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</td>
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</tr>
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<tr>
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+<td><a name="ipc.server.tcpnodelay">ipc.server.tcpnodelay</a></td><td>false</td><td>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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+ </td>
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+</tr>
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+<tr>
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+<td><a name="ipc.client.tcpnodelay">ipc.client.tcpnodelay</a></td><td>false</td><td>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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+ </td>
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+</tr>
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+<tr>
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<td><a name="job.end.retry.attempts">job.end.retry.attempts</a></td><td>0</td><td>Indicates how many times hadoop should attempt to contact the
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notification URL </td>
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</tr>
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