bharathv commented on a change in pull request #2071:
URL: https://github.com/apache/hbase/pull/2071#discussion_r455409660
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/master/replication/ReplicationPeerManager.java
##########
@@ -493,12 +499,35 @@ private void
checkConfiguredWALEntryFilters(ReplicationPeerConfig peerConfig)
}
}
- private void checkClusterKey(String clusterKey) throws DoNotRetryIOException
{
+ private void checkClusterKeyForHBaseInterClusterReplicationEndpoint(String
clusterKey)
+ throws DoNotRetryIOException {
try {
ZKConfig.validateClusterKey(clusterKey);
} catch (IOException e) {
throw new DoNotRetryIOException("Invalid cluster key: " + clusterKey, e);
}
+ String peerClusterId = "";
+ try {
+ Configuration otherConf = HBaseConfiguration.createClusterConf(conf,
clusterKey);
+ ZKWatcher zkWatcher =
+ new ZKWatcher(otherConf, this + "check-peer-cluster-key", new
Abortable() {
+ @Override public void abort(String why, Throwable e) {
+ }
+
+ @Override public boolean isAborted() {
+ return false;
+ }
+ });
+ peerClusterId = ZKClusterId.readClusterIdZNode(zkWatcher);
Review comment:
ReplicationPeerManager is colocated with master, right? you can use
master.getClusterId() without doing all this? (that is cached, so saves a ZK
round trip).
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/master/replication/ReplicationPeerManager.java
##########
@@ -493,12 +499,35 @@ private void
checkConfiguredWALEntryFilters(ReplicationPeerConfig peerConfig)
}
}
- private void checkClusterKey(String clusterKey) throws DoNotRetryIOException
{
+ private void checkClusterKeyForHBaseInterClusterReplicationEndpoint(String
clusterKey)
+ throws DoNotRetryIOException {
try {
ZKConfig.validateClusterKey(clusterKey);
} catch (IOException e) {
throw new DoNotRetryIOException("Invalid cluster key: " + clusterKey, e);
}
+ String peerClusterId = "";
Review comment:
You are fetching the currentClusterId right? Why name it as
peerClusterId? I think the argument to this method is peerClusterKey.
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/master/replication/ReplicationPeerManager.java
##########
@@ -337,25 +347,21 @@ public void removeAllQueuesAndHFileRefs(String peerId)
throws ReplicationExcepti
private void checkPeerConfig(ReplicationPeerConfig peerConfig) throws
DoNotRetryIOException {
String replicationEndpointImpl = peerConfig.getReplicationEndpointImpl();
- boolean checkClusterKey = true;
+ ReplicationEndpoint endpoint = null;
if (!StringUtils.isBlank(replicationEndpointImpl)) {
- // try creating a instance
- ReplicationEndpoint endpoint;
try {
+ // try creating a instance
endpoint = Class.forName(replicationEndpointImpl)
.asSubclass(ReplicationEndpoint.class).getDeclaredConstructor().newInstance();
} catch (Throwable e) {
throw new DoNotRetryIOException(
"Can not instantiate configured replication endpoint class=" +
replicationEndpointImpl,
e);
}
- // do not check cluster key if we are not
HBaseInterClusterReplicationEndpoint
- if (!(endpoint instanceof HBaseInterClusterReplicationEndpoint)) {
- checkClusterKey = false;
- }
}
- if (checkClusterKey) {
- checkClusterKey(peerConfig.getClusterKey());
+ // Default is HBaseInterClusterReplicationEndpoint and only it need to
check cluster key
+ if (endpoint == null || endpoint instanceof
HBaseInterClusterReplicationEndpoint) {
Review comment:
Replication#canReplicateToSameCluster() isn't it supposed to do this?
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