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Posted to common-commits@hadoop.apache.org by wa...@apache.org on 2016/04/16 02:08:03 UTC
[23/50] [abbrv] hadoop git commit: HDFS-10280. Document new dfsadmin
command -evictWriters. Contributed by Wei-Chiu Chuang.
HDFS-10280. Document new dfsadmin command -evictWriters. Contributed by Wei-Chiu Chuang.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/c970f1d0
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/c970f1d0
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/c970f1d0
Branch: refs/heads/YARN-3368
Commit: c970f1d00525e4273075cff7406dcbd71305abd5
Parents: 404f57f3
Author: Kihwal Lee <ki...@apache.org>
Authored: Thu Apr 14 12:45:47 2016 -0500
Committer: Kihwal Lee <ki...@apache.org>
Committed: Thu Apr 14 12:45:47 2016 -0500
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.../src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java | 4 ++++
.../hadoop-hdfs/src/site/markdown/HDFSCommands.md | 2 ++
2 files changed, 6 insertions(+)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/c970f1d0/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
index a35246f..08d3da5 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
@@ -427,6 +427,7 @@ public class DFSAdmin extends FsShell {
"\t[-allowSnapshot <snapshotDir>]\n" +
"\t[-disallowSnapshot <snapshotDir>]\n" +
"\t[-shutdownDatanode <datanode_host:ipc_port> [upgrade]]\n" +
+ "\t[-evictWriters <datanode_host:ipc_port>]\n" +
"\t[-getDatanodeInfo <datanode_host:ipc_port>]\n" +
"\t[-metasave filename]\n" +
"\t[-triggerBlockReport [-incremental] <datanode_host:ipc_port>]\n" +
@@ -1829,6 +1830,9 @@ public class DFSAdmin extends FsShell {
} else if ("-shutdownDatanode".equals(cmd)) {
System.err.println("Usage: hdfs dfsadmin"
+ " [-shutdownDatanode <datanode_host:ipc_port> [upgrade]]");
+ } else if ("-evictWriters".equals(cmd)) {
+ System.err.println("Usage: hdfs dfsadmin"
+ + " [-evictWriters <datanode_host:ipc_port>]");
} else if ("-getDatanodeInfo".equals(cmd)) {
System.err.println("Usage: hdfs dfsadmin"
+ " [-getDatanodeInfo <datanode_host:ipc_port>]");
http://git-wip-us.apache.org/repos/asf/hadoop/blob/c970f1d0/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
index 035abd6..a6c8b4c 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
@@ -385,6 +385,7 @@ Usage:
hdfs dfsadmin [-allowSnapshot <snapshotDir>]
hdfs dfsadmin [-disallowSnapshot <snapshotDir>]
hdfs dfsadmin [-shutdownDatanode <datanode_host:ipc_port> [upgrade]]
+ hdfs dfsadmin [-evictWriters <datanode_host:ipc_port>]
hdfs dfsadmin [-getDatanodeInfo <datanode_host:ipc_port>]
hdfs dfsadmin [-metasave filename]
hdfs dfsadmin [-triggerBlockReport [-incremental] <datanode_host:ipc_port>]
@@ -419,6 +420,7 @@ Usage:
| `-allowSnapshot` \<snapshotDir\> | Allowing snapshots of a directory to be created. If the operation completes successfully, the directory becomes snapshottable. See the [HDFS Snapshot Documentation](./HdfsSnapshots.html) for more information. |
| `-disallowSnapshot` \<snapshotDir\> | Disallowing snapshots of a directory to be created. All snapshots of the directory must be deleted before disallowing snapshots. See the [HDFS Snapshot Documentation](./HdfsSnapshots.html) for more information. |
| `-shutdownDatanode` \<datanode\_host:ipc\_port\> [upgrade] | Submit a shutdown request for the given datanode. See [Rolling Upgrade document](./HdfsRollingUpgrade.html#dfsadmin_-shutdownDatanode) for the detail. |
+| `-evictWriters` \<datanode\_host:ipc\_port\> | Make the datanode evict all clients that are writing a block. This is useful if decommissioning is hung due to slow writers. |
| `-getDatanodeInfo` \<datanode\_host:ipc\_port\> | Get the information about the given datanode. See [Rolling Upgrade document](./HdfsRollingUpgrade.html#dfsadmin_-getDatanodeInfo) for the detail. |
| `-metasave` filename | Save Namenode's primary data structures to *filename* in the directory specified by hadoop.log.dir property. *filename* is overwritten if it exists. *filename* will contain one line for each of the following<br/>1. Datanodes heart beating with Namenode<br/>2. Blocks waiting to be replicated<br/>3. Blocks currently being replicated<br/>4. Blocks waiting to be deleted |
| `-triggerBlockReport` `[-incremental]` \<datanode\_host:ipc\_port\> | Trigger a block report for the given datanode. If 'incremental' is specified, it will be otherwise, it will be a full block report. |