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HDFS-15253 Default checkpoint transfer speed, 50mb per second (#2366) 

(cherry picked from commit df4006eb81)
This commit is contained in:
Karthik Palanisamy 2020-10-07 09:39:04 -07:00 committed by Wei-Chiu Chuang
parent 7f20fad419
commit 769df1e964
2 changed files with 3 additions and 3 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
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@ -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";

4
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
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@ -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