haiyang1987 commented on code in PR #4903:
URL: https://github.com/apache/hadoop/pull/4903#discussion_r977073373
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java:
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@@ -2310,10 +2310,10 @@ private void invalidate(String bpid, Block[]
invalidBlks, boolean async)
throws IOException {
final List<String> errors = new ArrayList<String>();
for (int i = 0; i < invalidBlks.length; i++) {
- final ReplicaInfo removing;
+ final ReplicaInfo info;
Review Comment:
> Is it possible to move segment L2313~L2349 to async also? Because it
includes some IO request here. # this is not blocker issue.
At present, it is no changed to asynchronous mainly because
1.List<String> errors are defined in L2311, which will record the replicas
that failed to delete and return IOException synchronously according to the
errors list information
2.FsDatasetAsyncDiskService#deleteAsync and init ReplicaFileDeleteTask
require ReplicaInfo and FsVolumeImpl etc info
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