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commit 769df1e964299a86421397f1fde348a567ceb366
Author: Karthik Palanisamy <kpalanis...@cloudera.com>
AuthorDate: Wed Oct 7 09:39:04 2020 -0700
HDFS-15253 Default checkpoint transfer speed, 50mb per second (#2366)
(cherry picked from commit df4006eb8139a08b92b5a94adfde544de978137c)
---
.../src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java | 2 +-
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
index 75b7389..1cf7cb1 100755
---
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
+++
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
@@ -983,7 +983,7 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final String DFS_IMAGE_TRANSFER_RATE_KEY =
"dfs.image.transfer.bandwidthPerSec";
- public static final long DFS_IMAGE_TRANSFER_RATE_DEFAULT = 0; //no
throttling
+ public static final long DFS_IMAGE_TRANSFER_RATE_DEFAULT = 52428800;
public static final String DFS_IMAGE_TRANSFER_BOOTSTRAP_STANDBY_RATE_KEY =
"dfs.image.transfer-bootstrap-standby.bandwidthPerSec";
diff --git
a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
index e63303f..ce9195c 100755
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
@@ -1439,13 +1439,13 @@
<property>
<name>dfs.image.transfer.bandwidthPerSec</name>
- <value>0</value>
+ <value>52428800</value>
<description>
Maximum bandwidth used for regular image transfers (instead of
bootstrapping the standby namenode), in bytes per second.
This can help keep normal namenode operations responsive during
checkpointing.
- A default value of 0 indicates that throttling is disabled.
+ A default value is 50mb per second.
The maximum bandwidth used for bootstrapping standby namenode is
configured with dfs.image.transfer-bootstrap-standby.bandwidthPerSec.
Support multiple size unit suffix(case insensitive), as described
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