HDFS-17602. RBF mount point with SPACE order can not find the most available namespace, it will choose an irrelevant namespace #6991
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KeeProMise
reviewed
Sep 3, 2024
| @@ -118,6 +121,20 @@ protected String chooseFirstNamespace(String path, PathLocation loc) { | |||
| getSubclusterMapping(); | |||
| List<SubclusterAvailableSpace> subclusterList = new LinkedList<>( | |||
| subclusterInfo.values()); | |||
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| if (loc != null && loc.getDestinations() != null) { | |||
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Hi, @wzk784533 I think this modification is good, but I want to consult under what circumstances this loc or loc.getDestinations() would be null.
KeeProMise
reviewed
Sep 3, 2024
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| Set<String> locSet = new HashSet<String>(); | ||
| for (RemoteLocation dest : loc.getDestinations()) { | ||
| locSet.add(dest.getNameserviceId()); | ||
| } | ||
| List<SubclusterAvailableSpace> filteredSubclusterList = new LinkedList<>(); | ||
| for (SubclusterAvailableSpace cluster : subclusterList) { | ||
| if (locSet.contains(cluster.getNameserviceId())) { | ||
| filteredSubclusterList.add(cluster); | ||
| } | ||
| } | ||
| subclusterList = filteredSubclusterList; |
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Ok, I will fix it later
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Hi, @wzk784533 For the failure of test4tests, you need to add a UT |
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…ailable namespace, it will choose an irrelevant namespace
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HDFS-17602. RBF mount point with SPACE order can not find the most available namespace, it will choose an irrelevant namespace
How was this patch tested?
I have it test in our own clusters
For code changes:
I compare the namespaces in the StateStore and the mount point, and choose only the namespaces which are set in the mount point.