ZanderXu created HDFS-16596:
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Summary: Improve the processing capability of
FsDatasetAsyncDiskService
Key: HDFS-16596
URL: https://issues.apache.org/jira/browse/HDFS-16596
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: ZanderXu
Assignee: ZanderXu
In our production environment, when DN needs to delete a large number blocks,
we find that many deletion tasks are backlogged in the queue of
threadPoolExecutor in FsDatasetAsyncDiskService. We can't improve its
throughput because the number of core threads is hard coded.
So DN needs to support the number of core threads of FsDatasetAsyncDiskService
can be configured.
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