From 6ccb809c2d38a45e716153ba16e135cb76167b2b Mon Sep 17 00:00:00 2001 From: Hrishikesh Gadre Date: Tue, 4 Sep 2018 21:48:15 -0700 Subject: [PATCH] HDFS-13812. Fix the inconsistent default refresh interval on Caching documentation. Contributed by Hrishikesh Gadre. Signed-off-by: Xiao Chen --- .../hadoop-hdfs/src/site/markdown/CentralizedCacheManagement.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/CentralizedCacheManagement.md b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/CentralizedCacheManagement.md index 89ad6709a37..f2de043777a 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/CentralizedCacheManagement.md +++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/CentralizedCacheManagement.md @@ -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