Apache9 commented on a change in pull request #237: HBASE-22408 add dead and
unknown server open regions metric to AM 01
URL: https://github.com/apache/hbase/pull/237#discussion_r285327808
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File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
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@@ -907,6 +906,20 @@ public boolean isServerOnline(ServerName serverName) {
return serverName != null && onlineServers.containsKey(serverName);
}
+ public enum ServerLiveState {
+ LIVE,
+ DEAD,
+ UNKNOWN
+ }
+
+ /**
+ * @return whether the server is online, dead, or unknown.
+ */
+ public synchronized ServerLiveState isServerKnownAndOnline(ServerName
serverName) {
Review comment:
Oh, we also checked the deadServers. That's fine.
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