leosunli commented on code in PR #4158:
URL: https://github.com/apache/hadoop/pull/4158#discussion_r851165931
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hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/shortcircuit/TestShortCircuitCache.java:
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@@ -957,6 +958,83 @@ public void testDomainSocketClosedByDN() throws Exception {
}
}
+ // Regression test for HDFS-16473
Review Comment:
I don't quite understand the connection between this UT and HDFS-16473.
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hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/shortcircuit/ShortCircuitCache.java:
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@@ -240,7 +245,7 @@ public void run() {
} else {
shm.getEndpointShmManager().shutdown(shm);
IOUtilsClient.cleanupWithLogger(LOG, domainSocket, out);
- domainSocket = null;
Review Comment:
why do you remove the line 243? If remove it, the line 228 looks redundant.
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