leosunli commented on a change in pull request #2265:
URL: https://github.com/apache/hadoop/pull/2265#discussion_r481234104
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File path:
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java
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@@ -181,6 +181,8 @@ private boolean isPeriodicRefreshEnabled() {
private byte[] oneByteBuf; // used for 'int read()'
protected void addToLocalDeadNodes(DatanodeInfo dnInfo) {
+ DFSClient.LOG.debug("Add {} to local dead nodes, previously was {}",
Review comment:
1、Is it necessary to add log in Local dead nodes?
2、if add debug log in DFSInputStream#addToLocalDeadNodes, do you need add
log in DFSInputStream#removeFromLocalDeadNodes?
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