Hexiaoqiao commented on a change in pull request #1104: HDFS-14318:dn cannot be
recognized and must be restarted to recognize the Repaired disk
URL: https://github.com/apache/hadoop/pull/1104#discussion_r303928682
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
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@@ -404,6 +404,11 @@ public static InetSocketAddress createSocketAddr(String
target) {
private final StorageLocationChecker storageLocationChecker;
private final DatasetVolumeChecker volumeChecker;
+ volatile FsDatasetSpi<? extends FsVolumeSpi> allData = null;
+ private Thread checkDiskThread = null;
+ private final int checkDiskInterval = 5*1000;
+ private Object checkDiskMutex = new Object();
+ private List<StorageLocation> errorDisk = null;
Review comment:
`allData = data + errorDisk` right? It seems that `allData` is redundant
variable.
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