panhongan commented on code in PR #14276:
URL: https://github.com/apache/druid/pull/14276#discussion_r1205410201
##########
extensions-core/hdfs-storage/src/main/java/org/apache/druid/storage/hdfs/HdfsStorageDruidModule.java:
##########
@@ -91,7 +92,15 @@ public void configure(Binder binder)
ClassLoader currCtxCl = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
- FileSystem.get(conf);
+ FileSystem fs = FileSystem.get(conf);
+
+ // If cache is enabled, need to check the FileSystem object by access
hdfs because FileSystem object will be used later, like in push stage.
+ // If FileSystem is invalid, the peon task should stop immediately.
+ // See https://github.com/apache/druid/pull/14276
+ boolean disableCache = conf.getBoolean("fs.hdfs.impl.disable.cache",
false);
Review Comment:
Thanks for your suggestion. I add class `HdfsStorageAvailabilityChecker`.
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