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From aengin...@apache.org
Subject [12/50] [abbrv] hadoop git commit: HDFS-8867. Enable optimized block reports. Contributed by Daryn Sharp.
Date Tue, 25 Aug 2015 22:22:06 GMT
HDFS-8867. Enable optimized block reports. Contributed by Daryn Sharp.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/f61120d9
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/f61120d9
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/f61120d9

Branch: refs/heads/HDFS-7240
Commit: f61120d964a609ae5eabeb5c4d6c9afe0a15cad8
Parents: 9c3571e
Author: Jing Zhao <jing9@apache.org>
Authored: Wed Aug 19 10:36:56 2015 -0700
Committer: Jing Zhao <jing9@apache.org>
Committed: Wed Aug 19 10:36:56 2015 -0700

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt        |  2 ++
 .../hadoop/hdfs/server/protocol/NamespaceInfo.java | 17 +++++++++++++----
 .../hadoop/hdfs/protocol/TestBlockListAsLongs.java |  9 ++++++++-
 3 files changed, 23 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/f61120d9/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 7e6370a..c463f12 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -1205,6 +1205,8 @@ Release 2.7.2 - UNRELEASED
     HDFS-8852. HDFS architecture documentation of version 2.x is outdated
     about append write support. (Ajith S via aajisaka)
 
+    HDFS-8867. Enable optimized block reports. (Daryn Sharp via jing9)
+
 Release 2.7.1 - 2015-07-06
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/f61120d9/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
index dfdf449..90d0aac 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
@@ -47,18 +47,27 @@ public class NamespaceInfo extends StorageInfo {
 
   // only authoritative on the server-side to determine advertisement to
   // clients.  enum will update the supported values
-  private static long CAPABILITIES_SUPPORTED = 0;
+  private static final long CAPABILITIES_SUPPORTED = getSupportedCapabilities();
+
+  private static long getSupportedCapabilities() {
+    long mask = 0;
+    for (Capability c : Capability.values()) {
+      if (c.supported) {
+        mask |= c.mask;
+      }
+    }
+    return mask;
+  }
 
   public enum Capability {
     UNKNOWN(false),
     STORAGE_BLOCK_REPORT_BUFFERS(true); // use optimized ByteString buffers
+    private final boolean supported;
     private final long mask;
     Capability(boolean isSupported) {
+      supported = isSupported;
       int bits = ordinal() - 1;
       mask = (bits < 0) ? 0 : (1L << bits);
-      if (isSupported) {
-        CAPABILITIES_SUPPORTED |= mask;
-      }
     }
     public long getMask() {
       return mask;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/f61120d9/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocol/TestBlockListAsLongs.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocol/TestBlockListAsLongs.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocol/TestBlockListAsLongs.java
index 9ead765..bf29373 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocol/TestBlockListAsLongs.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocol/TestBlockListAsLongs.java
@@ -187,7 +187,14 @@ public class TestBlockListAsLongs {
     }
     assertTrue(reportReplicas.isEmpty());
   }
-  
+
+  @Test
+  public void testCapabilitiesInited() {
+    NamespaceInfo nsInfo = new NamespaceInfo();
+    assertTrue(
+        nsInfo.isCapabilitySupported(Capability.STORAGE_BLOCK_REPORT_BUFFERS));
+  }
+
   @Test
   public void testDatanodeDetect() throws ServiceException, IOException {
     final AtomicReference<BlockReportRequestProto> request =


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