Apache
/
hadoop
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

HDFS-2363. Move datanodes size printing from FSNamesystem.metasave(..) to BlockManager. Contributed by Uma Maheswara Rao G 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1176733 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2011-09-28 05:49:17 +00:00
parent cc42ccf02a
commit 96f9fc9199
3 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
View File

@ -765,6 +765,9 @@ Release 0.23.0 - Unreleased
HDFS-2332. Add test for HADOOP-7629 (using an immutable FsPermission
object as an RPC parameter fails). (todd)
HDFS-2363. Move datanodes size printing from FSNamesystem.metasave(..)
to BlockManager. (Uma Maheswara Rao G via szetszwo)
OPTIMIZATIONS
HDFS-1458. Improve checkpoint performance by avoiding unnecessary image

5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
View File

@ -308,6 +308,11 @@ public class BlockManager {
/** Dump meta data to out. */
public void metaSave(PrintWriter out) {
assert namesystem.hasWriteLock();
final List<DatanodeDescriptor> live = new ArrayList<DatanodeDescriptor>();
final List<DatanodeDescriptor> dead = new ArrayList<DatanodeDescriptor>();
datanodeManager.fetchDatanodes(live, dead, false);
out.println("Live Datanodes: " + live.size());
out.println("Dead Datanodes: " + dead.size());
//
// Dump contents of neededReplication
//

5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
View File

@ -564,11 +564,6 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
out.println(totalInodes + " files and directories, " + totalBlocks
+ " blocks = " + (totalInodes + totalBlocks) + " total");
final List<DatanodeDescriptor> live = new ArrayList<DatanodeDescriptor>();
final List<DatanodeDescriptor> dead = new ArrayList<DatanodeDescriptor>();
blockManager.getDatanodeManager().fetchDatanodes(live, dead, false);
out.println("Live Datanodes: "+live.size());
out.println("Dead Datanodes: "+dead.size());
blockManager.metaSave(out);
out.flush();