HDFS-3612. Single namenode image directory config warning can be improved. Contributed by Andy Isaacson. (harsh)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1361059 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Harsh J 2012-07-13 07:20:27 +00:00
parent bfa51a33d0
commit d9911e923d
2 changed files with 9 additions and 4 deletions

View File

@ -316,6 +316,9 @@ Branch-2 ( Unreleased changes )
HDFS-3306. fuse_dfs: don't lock release operations. HDFS-3306. fuse_dfs: don't lock release operations.
(Colin Patrick McCabe via eli) (Colin Patrick McCabe via eli)
HDFS-3612. Single namenode image directory config warning can
be improved. (Andy Isaacson via harsh)
OPTIMIZATIONS OPTIMIZATIONS
HDFS-2982. Startup performance suffers when there are many edit log HDFS-2982. Startup performance suffers when there are many edit log

View File

@ -393,12 +393,14 @@ public static FSNamesystem loadFromDisk(Configuration conf,
throws IOException { throws IOException {
if (namespaceDirs.size() == 1) { if (namespaceDirs.size() == 1) {
LOG.warn("Only one " + DFS_NAMENODE_NAME_DIR_KEY LOG.warn("Only one image storage directory ("
+ " directory configured , beware data loss!"); + DFS_NAMENODE_NAME_DIR_KEY + ") configured. Beware of dataloss"
+ " due to lack of redundant storage directories!");
} }
if (namespaceEditsDirs.size() == 1) { if (namespaceEditsDirs.size() == 1) {
LOG.warn("Only one " + DFS_NAMENODE_EDITS_DIR_KEY LOG.warn("Only one namespace edits storage directory ("
+ " directory configured , beware data loss!"); + DFS_NAMENODE_EDITS_DIR_KEY + ") configured. Beware of dataloss"
+ " due to lack of redundant storage directories!");
} }
FSImage fsImage = new FSImage(conf, namespaceDirs, namespaceEditsDirs); FSImage fsImage = new FSImage(conf, namespaceDirs, namespaceEditsDirs);