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Posted to common-commits@hadoop.apache.org by as...@apache.org on 2016/12/18 02:16:45 UTC
[11/29] hadoop git commit: HDFS-11204. Document the missing options
of hdfs zkfc command. Contributed by Yiqun Lin.
HDFS-11204. Document the missing options of hdfs zkfc command. Contributed by Yiqun Lin.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/72bff192
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/72bff192
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/72bff192
Branch: refs/heads/YARN-5085
Commit: 72bff192cd37ff97442e0f8dd477fbc2e58fc12d
Parents: 1f14f6d
Author: Akira Ajisaka <aa...@apache.org>
Authored: Wed Dec 14 18:50:43 2016 +0900
Committer: Akira Ajisaka <aa...@apache.org>
Committed: Wed Dec 14 18:50:43 2016 +0900
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.../main/java/org/apache/hadoop/ha/ZKFailoverController.java | 7 +++++--
.../hadoop-hdfs/src/site/markdown/HDFSCommands.md | 2 +-
2 files changed, 6 insertions(+), 3 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/72bff192/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
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diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
index 30ec8f2..0ed9158 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
@@ -84,8 +84,11 @@ public abstract class ZKFailoverController {
ZK_AUTH_KEY
};
- protected static final String USAGE =
- "Usage: hdfs zkfc [ -formatZK [-force] [-nonInteractive] ]";
+ protected static final String USAGE =
+ "Usage: hdfs zkfc [ -formatZK [-force] [-nonInteractive] ]\n"
+ + "\t-force: formats the znode if the znode exists.\n"
+ + "\t-nonInteractive: formats the znode aborts if the znode exists,\n"
+ + "\tunless -force option is specified.";
/** Unable to format the parent znode in ZK */
static final int ERR_CODE_FORMAT_DENIED = 2;
http://git-wip-us.apache.org/repos/asf/hadoop/blob/72bff192/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 7f7dcde..a0d0ed7 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
@@ -599,7 +599,7 @@ Usage: `hdfs zkfc [-formatZK [-force] [-nonInteractive]]`
| COMMAND\_OPTION | Description |
|:---- |:---- |
-| `-formatZK` | Format the Zookeeper instance |
+| `-formatZK` | Format the Zookeeper instance. -force: formats the znode if the znode exists. -nonInteractive: formats the znode aborts if the znode exists, unless -force option is specified. |
| `-h` | Display help |
This comamnd starts a Zookeeper Failover Controller process for use with [HDFS HA with QJM](./HDFSHighAvailabilityWithQJM.html#Administrative_commands).
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