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HDFS-14675. Increase Balancer Defaults Further. Contributed by Stephen O'Donnell. 

Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
Reviewed-by: Gabor Bota <gabota@apache.org>
This commit is contained in:
Stephen O'Donnell 2019-08-22 15:19:40 -07:00 committed by Wei-Chiu Chuang
parent 4028cac56d
commit 93daf69f90
2 changed files with 4 additions and 4 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
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@ -110,11 +110,11 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final String DFS_DATANODE_BALANCE_BANDWIDTHPERSEC_KEY =
HdfsClientConfigKeys.DeprecatedKeys.DFS_DATANODE_BALANCE_BANDWIDTHPERSEC_KEY;
public static final long DFS_DATANODE_BALANCE_BANDWIDTHPERSEC_DEFAULT =
10 * 1024*1024;
100 * 1024*1024;
public static final String DFS_DATANODE_BALANCE_MAX_NUM_CONCURRENT_MOVES_KEY
= "dfs.datanode.balance.max.concurrent.moves";
public static final int
DFS_DATANODE_BALANCE_MAX_NUM_CONCURRENT_MOVES_DEFAULT = 50;
DFS_DATANODE_BALANCE_MAX_NUM_CONCURRENT_MOVES_DEFAULT = 100;
@Deprecated
public static final String DFS_DATANODE_READAHEAD_BYTES_KEY =
HdfsClientConfigKeys.DFS_DATANODE_READAHEAD_BYTES_KEY;

4
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
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@ -990,7 +990,7 @@
<property>
<name>dfs.datanode.balance.bandwidthPerSec</name>
<value>10m</value>
<value>100m</value>
<description>
Specifies the maximum amount of bandwidth that each datanode
can utilize for the balancing purpose in term of
@ -4068,7 +4068,7 @@
<property>
<name>dfs.datanode.balance.max.concurrent.moves</name>
<value>50</value>
<value>100</value>
<description>
Maximum number of threads for Datanode balancer pending moves. This
value is reconfigurable via the "dfsadmin -reconfig" command.