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https://issues.apache.org/jira/browse/HDFS-16499?focusedWorklogId=739541&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-739541
]
ASF GitHub Bot logged work on HDFS-16499:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Mar/22 15:29
Start Date: 10/Mar/22 15:29
Worklog Time Spent: 10m
Work Description: umamaheswararao commented on a change in pull request
#4058:
URL: https://github.com/apache/hadoop/pull/4058#discussion_r823332317
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/sps/ExternalStoragePolicySatisfier.java
##########
@@ -96,20 +96,28 @@ private static void secureLogin(Configuration conf)
socAddr.getHostName());
}
- private static NameNodeConnector getNameNodeConnector(Configuration conf)
- throws IOException, InterruptedException {
+ public static NameNodeConnector getNameNodeConnector(Configuration conf,
boolean forTest)
+ throws InterruptedException {
final Collection<URI> namenodes = DFSUtil.getInternalNsRpcUris(conf);
final Path externalSPSPathId = HdfsServerConstants.MOVER_ID_PATH;
+ String serverName = ExternalStoragePolicySatisfier.class.getSimpleName();
while (true) {
try {
final List<NameNodeConnector> nncs = NameNodeConnector
.newNameNodeConnectors(namenodes,
- ExternalStoragePolicySatisfier.class.getSimpleName(),
+ serverName,
externalSPSPathId, conf,
NameNodeConnector.DEFAULT_MAX_IDLE_ITERATIONS);
return nncs.get(0);
} catch (IOException e) {
LOG.warn("Failed to connect with namenode", e);
+ if (e.getMessage().equals("Another " + serverName + " is running.")) {
Review comment:
It's quite some time I looked at this code. Thanks a lot for working on
these improvements.
How about using ExitUtil class to terminate. That class has static methods
to disable exit. That you can use it from tests.
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Issue Time Tracking
-------------------
Worklog Id: (was: 739541)
Time Spent: 0.5h (was: 20m)
> [SPS]: Should not start indefinitely while another SPS process is running
> -------------------------------------------------------------------------
>
> Key: HDFS-16499
> URL: https://issues.apache.org/jira/browse/HDFS-16499
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Normally, we can only start one SPS process at a time. When one process is
> running, start another process and retry indefinitely. I think, in this case,
> we should exit immediately.
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