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Posted to commits@accumulo.apache.org by el...@apache.org on 2013/12/02 18:45:13 UTC
git commit: ACCUMULO-1946 Note in the README about
dfs.datanode.synconclose.
Updated Branches:
refs/heads/1.5.1-SNAPSHOT 27c1d7708 -> 0fd190b60
ACCUMULO-1946 Note in the README about dfs.datanode.synconclose.
Project: http://git-wip-us.apache.org/repos/asf/accumulo/repo
Commit: http://git-wip-us.apache.org/repos/asf/accumulo/commit/0fd190b6
Tree: http://git-wip-us.apache.org/repos/asf/accumulo/tree/0fd190b6
Diff: http://git-wip-us.apache.org/repos/asf/accumulo/diff/0fd190b6
Branch: refs/heads/1.5.1-SNAPSHOT
Commit: 0fd190b602ab88458e9932b8467a17c8e8201d09
Parents: 27c1d77
Author: Josh Elser <el...@apache.org>
Authored: Mon Dec 2 12:43:58 2013 -0500
Committer: Josh Elser <el...@apache.org>
Committed: Mon Dec 2 12:43:58 2013 -0500
----------------------------------------------------------------------
README | 4 ++++
1 file changed, 4 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/accumulo/blob/0fd190b6/README
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diff --git a/README b/README
index 4b29864..ab6f3fc 100644
--- a/README
+++ b/README
@@ -94,6 +94,10 @@ Cloudera CDH 3u4 dfs.support.append true
Hortonworks HDP `1.0 dfs.support.append false
Hortonworks HDP `1.1 dfs.support.append false
+Additionally, it is strongly recommended that you enable 'dfs.datanode.synconclose'
+in your hdfs-site.xml configuration file to ensure that, in the face of unexpected
+power loss to a datanode, files are wholly synced to disk.
+
The example accumulo configuration files are placed in directories based on the
memory footprint for the accumulo processes. If you are using native libraries
for you tablet server in-memory map, then you can use the files in "native-standalone".