Yuanbo Liu created HDFS-16549:
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Summary: Consider using volume level lock for deleting blocks
Key: HDFS-16549
URL: https://issues.apache.org/jira/browse/HDFS-16549
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Yuanbo Liu
It's great to see the implement of fine-grain lock for DN has been committed
into trunk.
FsDatasetImpl.invalidate is a frequent method to response the delete command
from NN. How about using volume-level write lock instead of pool-level write
lock to reduce the cost of write lock.
cc: [~hexiaoqiao] [~Aiphag0] .
Thanks for your great work!
h4. [Mingxiang
Li|https://issues.apache.org/jira/secure/ViewProfile.jspa?name=Aiphag0]
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