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HDFS-13812. Fix the inconsistent default refresh interval on Caching documentation. Contributed by Hrishikesh Gadre. 

Signed-off-by: Xiao Chen <xiao@apache.org>
(cherry picked from commit 6ccb809c2d)
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Hrishikesh Gadre 2018-09-04 21:48:15 -07:00 committed by Xiao Chen
parent 2e744bd31d
commit 0468b6e736
1 changed files with 1 additions and 1 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/CentralizedCacheManagement.md
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@ -220,7 +220,7 @@ The following properties are not required, but may be specified for tuning:
The NameNode will use this as the amount of milliseconds between subsequent path cache rescans. This calculates the blocks to cache and each DataNode containing a replica of the block that should cache it.
By default, this parameter is set to 300000, which is five minutes.
By default, this parameter is set to 30000, which is thirty seconds.
* dfs.datanode.fsdatasetcache.max.threads.per.volume