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HDFS-17339:Skip cacheReport when one blockPool does not have CacheBlock on this DataNode (#6456). Contributed by lei w.

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Signed-off-by: Shuyan Zhang <zhangshuyan@apache.org>
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Lei313 2024-01-25 21:15:20 +08:00 committed by GitHub
parent 7272a3d960
commit ac471d7daa
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java
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@ -503,6 +503,10 @@ DatanodeCommand cacheReport() throws IOException {
String bpid = bpos.getBlockPoolId();
List<Long> blockIds = dn.getFSDataset().getCacheReport(bpid);
// Skip cache report
if (blockIds.isEmpty()) {
return null;
}
long createTime = monotonicNow();
cmd = bpNamenode.cacheReport(bpRegistration, bpid, blockIds);