dingshun3016 commented on PR #5170:
URL: https://github.com/apache/hadoop/pull/5170#issuecomment-1333269882
> @dingshun3016 This seems to only happen when invoke addBlockPool() and
CachingGetSpaceUsed#used < 0, so why not handle it for example like forbid
refresh() when ReplicaCachingGetSpaceUsed#init() at first time ?
@MingXiangLi thanks reply
forbid refresh() when ReplicaCachingGetSpaceUsed #init() at first time，it
will cause the value of dfsUsage to be 0 until the next time refresh().
if remove the BLOCK_POOl level write lock in the
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl#addBlockPool(String
bpid, Configuration conf) method, what will be the impact ?
do you have any other suggestions?
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