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https://issues.apache.org/jira/browse/HDFS-13522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17578569#comment-17578569
]
ASF GitHub Bot commented on HDFS-13522:
---------------------------------------
simbadzina commented on code in PR #4311:
URL: https://github.com/apache/hadoop/pull/4311#discussion_r943725929
##########
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/ClientGSIContext.java:
##########
@@ -66,15 +79,23 @@ public void
updateResponseState(RpcResponseHeaderProto.Builder header) {
*/
@Override
public void receiveResponseState(RpcResponseHeaderProto header) {
- lastSeenStateId.accumulate(header.getStateId());
+ lastSeenStateId.update(header.getStateId());
Review Comment:
I agree. Fixed.
##########
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/ClientGSIContext.java:
##########
@@ -37,14 +37,27 @@
@InterfaceStability.Evolving
public class ClientGSIContext implements AlignmentContext {
- private final LongAccumulator lastSeenStateId =
- new LongAccumulator(Math::max, Long.MIN_VALUE);
+ private final NamespaceStateId lastSeenStateId;
+ private ByteString routerFederatedState;
+
+ public ClientGSIContext() {
+ this(new NamespaceStateId());
+ }
+
+ public ClientGSIContext(NamespaceStateId lastSeenStateId) {
+ this.lastSeenStateId = lastSeenStateId;
+ routerFederatedState = null;
+ }
@Override
public long getLastSeenStateId() {
return lastSeenStateId.get();
}
+ public void updateLastSeenStateID(Long stateId) {
Review Comment:
Removed.
> RBF: Support observer node from Router-Based Federation
> -------------------------------------------------------
>
> Key: HDFS-13522
> URL: https://issues.apache.org/jira/browse/HDFS-13522
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: federation, namenode
> Reporter: Erik Krogen
> Assignee: Simbarashe Dzinamarira
> Priority: Major
> Labels: pull-request-available
> Attachments: HDFS-13522.001.patch, HDFS-13522.002.patch,
> HDFS-13522_WIP.patch, RBF_ Observer support.pdf, Router+Observer RPC
> clogging.png, ShortTerm-Routers+Observer.png,
> observer_reads_in_rbf_proposal_simbadzina_v1.pdf,
> observer_reads_in_rbf_proposal_simbadzina_v2.pdf
>
> Time Spent: 20h 50m
> Remaining Estimate: 0h
>
> Changes will need to occur to the router to support the new observer node.
> One such change will be to make the router understand the observer state,
> e.g. {{FederationNamenodeServiceState}}.
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