GlusterFS Hadoop Plugin

Apache Hadoop plugin to run Map/Reduce (MR) jobs on data
stored on GlusterFS. This is a drop in replacement for
HDFS requiring the plugin jar and modification to a
single conf file to enable MR jobs to process data on
GlusterFS.

Change-Id: I8862efec30708849fa7c544fed88b8e50e622fed
BUG: 790671
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-on: http://review.gluster.com/2751
Reviewed-by: Vijay Bellur <vijay@gluster.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/hdfs/0.20.2/src/main/java/org/apache/hadoop/fs/glusterfs/GlusterFSBrickRepl.java b/hdfs/0.20.2/src/main/java/org/apache/hadoop/fs/glusterfs/GlusterFSBrickRepl.java
new file mode 100644
index 000000000..11454e636
--- /dev/null
+++ b/hdfs/0.20.2/src/main/java/org/apache/hadoop/fs/glusterfs/GlusterFSBrickRepl.java
@@ -0,0 +1,52 @@
+/**
+ *
+ * Copyright (c) 2011 Gluster, Inc. <http://www.gluster.com>
+ * This file is part of GlusterFS.
+ *
+ * Licensed under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ *
+ */
+
+package org.apache.hadoop.fs.glusterfs;
+
+import java.io.*;
+
+public class GlusterFSBrickRepl {
+        private String[] replHost;
+        private long start;
+        private long len;
+        private int cnt;
+
+        GlusterFSBrickRepl(int replCount, long start, long len) {
+                this.replHost = new String[replCount];
+                this.start = start;
+                this.len = len;
+                this.cnt = 0;
+        }
+
+        public void addHost (String host) {
+                this.replHost[cnt++] = host;
+        }
+
+        public String[] getReplHosts () {
+                return this.replHost;
+        }
+
+        public long getStartLen () {
+                return this.start;
+        }
+
+        public long getOffLen () {
+                return this.len;
+        }
+}