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https://issues.apache.org/jira/browse/HDFS-16452?focusedWorklogId=735092&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-735092
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ASF GitHub Bot logged work on HDFS-16452:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 02/Mar/22 02:22
Start Date: 02/Mar/22 02:22
Worklog Time Spent: 10m
Work Description: hfutatzhanghb commented on a change in pull request
#3976:
URL: https://github.com/apache/hadoop/pull/3976#discussion_r817294790
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/ObserverReadProxyProvider.java
##########
@@ -368,6 +368,21 @@ private boolean shouldFindObserver() {
return true;
}
+ private void confirmActiveToMsync() throws IOException {
+ ClientProtocol activeProxy = (ClientProtocol) getCurrentProxy().proxy;
+ for (int i = 0; i < nameNodeProxies.size(); i++) {
+ NNProxyInfo<T> current = getCurrentProxy();
+ HAServiceState currState = current.getCachedState();
+ if (currState == HAServiceState.ACTIVE) {
+ activeProxy = getProxyAsClientProtocol(current.proxy);
+ LOG.info("active proxy is choosed :{}", current);
+ break;
+ } else {
+ changeProxy(current);
Review comment:
>
Hi, @ayushtkn . the subsequent calls will not go to active.
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Issue Time Tracking
-------------------
Worklog Id: (was: 735092)
Time Spent: 2h 40m (was: 2.5h)
> msync RPC should send to Acitve Namenode directly
> --------------------------------------------------
>
> Key: HDFS-16452
> URL: https://issues.apache.org/jira/browse/HDFS-16452
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namanode
> Affects Versions: 3.3.1
> Reporter: zhanghaobo
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> In current ObserverReadProxyProvider implementation, we use the following
> code to invoke msync RPC.
> {code:java}
> getProxyAsClientProtocol(failoverProxy.getProxy().proxy).msync(); {code}
> But msync RPC maybe send to Observer NameNode in this way, and then failover
> to Active NameNode. This can be avoid by applying this patch.
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