smarthanwang commented on code in PR #5564:
URL: https://github.com/apache/hadoop/pull/5564#discussion_r1179874552
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hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java:
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@@ -1919,4 +1919,63 @@ public void delayDeleteReplica() {
DataNodeFaultInjector.set(oldInjector);
}
}
+
+ /**
+ * Test the block file which is not found when disk with some exception.
+ * We expect:
+ * 1. block file wouldn't be deleted from disk.
+ * 2. block info would be removed from dn memory.
+ * 3. block would be reported to nn as missing block.
+ * 4. block would be recovered when disk back to normal.
+ */
+ @Test
+ public void tesInvalidateMissingBlock() throws Exception {
+ long blockSize = 1024;
+ int heatbeatInterval = 1;
+ HdfsConfiguration c = new HdfsConfiguration();
+ c.setInt(DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY, heatbeatInterval);
Review Comment:
These have no more purpose, just some init codes copy.
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