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Posted to common-commits@hadoop.apache.org by sh...@apache.org on 2015/01/25 02:37:32 UTC
[07/10] hadoop git commit: HDFS-7634. Disallow truncation of Lazy
persist files. (Contributed by Yi Liu)
HDFS-7634. Disallow truncation of Lazy persist files. (Contributed by Yi Liu)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/8adffbb2
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/8adffbb2
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/8adffbb2
Branch: refs/heads/branch-2
Commit: 8adffbb2c84cc8a095679400f8036c7a66a8b3b7
Parents: 0fdd09a
Author: yliu <yl...@apache.org>
Authored: Sat Jan 24 16:34:08 2015 -0800
Committer: Konstantin V Shvachko <sh...@apache.org>
Committed: Sat Jan 24 16:34:08 2015 -0800
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hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt | 3 +++
.../org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java | 8 ++++++++
2 files changed, 11 insertions(+)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/8adffbb2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 64506cf..a48cbed 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -491,6 +491,9 @@ Release 2.7.0 - UNRELEASED
HDFS-7638: Small fix and few refinements for FSN#truncate. (yliu)
+ HDFS-7634. Disallow truncation of Lazy persist files. (Yi Liu via
+ Arpit Agarwal)
+
Release 2.6.1 - UNRELEASED
INCOMPATIBLE CHANGES
http://git-wip-us.apache.org/repos/asf/hadoop/blob/8adffbb2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
index 9824ede..96672c2 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
@@ -2006,6 +2006,14 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
dir.checkPathAccess(pc, iip, FsAction.WRITE);
}
INodeFile file = INodeFile.valueOf(iip.getLastINode(), src);
+ final BlockStoragePolicy lpPolicy =
+ blockManager.getStoragePolicy("LAZY_PERSIST");
+
+ if (lpPolicy != null &&
+ lpPolicy.getId() == file.getStoragePolicyID()) {
+ throw new UnsupportedOperationException(
+ "Cannot truncate lazy persist file " + src);
+ }
// Opening an existing file for write. May need lease recovery.
recoverLeaseInternal(iip, src, clientName, clientMachine, false);
// Truncate length check.