HDFS-17806. Increase dfs.checksum.ec.socket-timeout

Author: LiuGuH

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/FileChecksumHelper.java

@@ -613,8 +613,9 @@ static class StripedFileNonStripedChecksumComputer
 
     @Override
     void checksumBlocks() throws IOException {
-      int tmpTimeout = getClient().getConf().getChecksumEcSocketTimeout() * 1 +
-          getClient().getConf().getSocketTimeout();
+      int tmpTimeout =
+          getClient().getConf().getChecksumEcSocketTimeout() * ecPolicy.getNumDataUnits()
+              + getClient().getConf().getSocketTimeout();
       setTimeout(tmpTimeout);
 
       for (bgIdx = 0;

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/HdfsClientConfigKeys.java

@@ -136,7 +136,7 @@ public interface HdfsClientConfigKeys {
   String  DFS_CHECKSUM_COMBINE_MODE_KEY = "dfs.checksum.combine.mode";
   String  DFS_CHECKSUM_COMBINE_MODE_DEFAULT = "MD5MD5CRC";
   String  DFS_CHECKSUM_EC_SOCKET_TIMEOUT_KEY = "dfs.checksum.ec.socket-timeout";
-  int     DFS_CHECKSUM_EC_SOCKET_TIMEOUT_DEFAULT = 3000;
+  int     DFS_CHECKSUM_EC_SOCKET_TIMEOUT_DEFAULT = 30000;
   String  DFS_DATANODE_SOCKET_WRITE_TIMEOUT_KEY =
       "dfs.datanode.socket.write.timeout";
   String  DFS_CLIENT_DOMAIN_SOCKET_DATA_TRAFFIC =

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

@@ -4465,7 +4465,7 @@
 
 <property>
   <name>dfs.checksum.ec.socket-timeout</name>
-  <value>3000</value>
+  <value>30000</value>
   <description>
     Default timeout value in milliseconds for computing the checksum of striped blocks.
     Recommended to set the same value between client and DNs in a cluster because mismatching