sokui commented on code in PR #3186:
URL: https://github.com/apache/ozone/pull/3186#discussion_r876135121
##########
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/ratis/RatisHelper.java:
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@@ -369,6 +384,12 @@ public static Long getMinReplicatedIndex(
.min(Long::compareTo).orElse(null);
}
+ private static boolean datanodeUseHostName() {
+ return CONF.getBoolean(
+ DFSConfigKeys.DFS_DATANODE_USE_DN_HOSTNAME,
+ DFSConfigKeys.DFS_DATANODE_USE_DN_HOSTNAME_DEFAULT);
Review Comment:
Yeah. It is possible for SCM and OM to change the IP address. But the
solution for them may be different (they may already use the host name in
ratis). I need to to take a further look. Lets just make this config for
datanode for now.
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