Xushaohong commented on code in PR #4265:
URL: https://github.com/apache/ozone/pull/4265#discussion_r1104013312
##########
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/ratis/RatisHelper.java:
##########
@@ -488,4 +490,62 @@ public static void debug(ByteBuf buf, String name, Logger
log) {
}
log.debug("{}: {}\n {}", name, buf, builder);
}
+
+
+ /**
+ * Use raft client to send admin request, transfer the leadership.
+ * 1. Set priority and send setConfiguration request
+ * 2. Trigger transferLeadership API.
+ *
+ * @param division the Raft division
+ * @param targetPeerId the target expected leader
+ * @throws IOException
+ */
+ public static void transferRatisLeadership(ConfigurationSource conf,
+ RaftServer.Division division, RaftPeerId targetPeerId)
+ throws IOException {
+ RaftGroup raftGroup = division.getGroup();
+ // TODO: need a common raft client related conf.
+ RaftClient raftClient = newRaftClient(SupportedRpcType.GRPC, null,
Review Comment:
updated
##########
hadoop-hdds/interface-client/src/main/proto/hdds.proto:
##########
@@ -452,3 +452,10 @@ message ContainerBalancerConfigurationProto {
required bool shouldRun = 18;
optional int32 nextIterationIndex = 19;
}
+
+message TransferLeadershipRequestProto {
+ required string nodeId = 1;
Review Comment:
Got it
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