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@@ -243,7 +243,7 @@ The following properties are not required, but may be specified for tuning:
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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.
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- By default, this parameter is set to 300000, which is five minutes.
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+ By default, this parameter is set to 30000, which is thirty seconds.
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* dfs.datanode.fsdatasetcache.max.threads.per.volume
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