[11/28] hadoop git commit: YARN-5928. Move ATSv2 HBase backend code into a new module that is only dependent at runtime by yarn servers. Contributed by Haibo Chen.
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b92089c0/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineHBaseSchemaConstants.java
--
diff --git
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineHBaseSchemaConstants.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineHBaseSchemaConstants.java
new file mode 100644
index 000..8e6c259
--- /dev/null
+++
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineHBaseSchemaConstants.java
@@ -0,0 +1,71 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.yarn.server.timelineservice.storage.common;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
+import org.apache.hadoop.hbase.util.Bytes;
+
+/**
+ * contains the constants used in the context of schema accesses for
+ * {@link org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity}
+ * information.
+ */
+@InterfaceAudience.Private
+@InterfaceStability.Unstable
+public final class TimelineHBaseSchemaConstants {
+ private TimelineHBaseSchemaConstants() {
+ }
+
+ /**
+ * Used to create a pre-split for tables starting with a username in the
+ * prefix. TODO: this may have to become a config variable (string with
+ * separators) so that different installations can presplit based on their
own
+ * commonly occurring names.
+ */
+ private final static byte[][] USERNAME_SPLITS = {
+ Bytes.toBytes("a"), Bytes.toBytes("ad"), Bytes.toBytes("an"),
+ Bytes.toBytes("b"), Bytes.toBytes("ca"), Bytes.toBytes("cl"),
+ Bytes.toBytes("d"), Bytes.toBytes("e"), Bytes.toBytes("f"),
+ Bytes.toBytes("g"), Bytes.toBytes("h"), Bytes.toBytes("i"),
+ Bytes.toBytes("j"), Bytes.toBytes("k"), Bytes.toBytes("l"),
+ Bytes.toBytes("m"), Bytes.toBytes("n"), Bytes.toBytes("o"),
+ Bytes.toBytes("q"), Bytes.toBytes("r"), Bytes.toBytes("s"),
+ Bytes.toBytes("se"), Bytes.toBytes("t"), Bytes.toBytes("u"),
+ Bytes.toBytes("v"), Bytes.toBytes("w"), Bytes.toBytes("x"),
+ Bytes.toBytes("y"), Bytes.toBytes("z")
+ };
+
+ /**
+ * The length at which keys auto-split.
+ */
+ public static final String USERNAME_SPLIT_KEY_PREFIX_LENGTH = "4";
+
+ /**
+ * @return splits for splits where a user is a prefix.
+ */
+ public static byte[][] getUsernameSplits() {
+byte[][] kloon = USERNAME_SPLITS.clone();
+// Deep copy.
+for (int row = 0; row < USERNAME_SPLITS.length; row++) {
+ kloon[row] = Bytes.copy(USERNAME_SPLITS[row]);
+}
+return kloon;
+ }
+
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b92089c0/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimestampGenerator.java
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diff --git
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimestampGenerator.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimestampGenerator.java
new file mode 100644
index 000..d03b37d
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b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimestampGenerator.java
@@ -0,0 +1,116 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or
[11/28] hadoop git commit: YARN-5928. Move ATSv2 HBase backend code into a new module that is only dependent at runtime by yarn servers. Contributed by Haibo Chen.
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b01514f6/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineHBaseSchemaConstants.java
--
diff --git
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineHBaseSchemaConstants.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineHBaseSchemaConstants.java
new file mode 100644
index 000..8e6c259
--- /dev/null
+++
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineHBaseSchemaConstants.java
@@ -0,0 +1,71 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.yarn.server.timelineservice.storage.common;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
+import org.apache.hadoop.hbase.util.Bytes;
+
+/**
+ * contains the constants used in the context of schema accesses for
+ * {@link org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity}
+ * information.
+ */
+@InterfaceAudience.Private
+@InterfaceStability.Unstable
+public final class TimelineHBaseSchemaConstants {
+ private TimelineHBaseSchemaConstants() {
+ }
+
+ /**
+ * Used to create a pre-split for tables starting with a username in the
+ * prefix. TODO: this may have to become a config variable (string with
+ * separators) so that different installations can presplit based on their
own
+ * commonly occurring names.
+ */
+ private final static byte[][] USERNAME_SPLITS = {
+ Bytes.toBytes("a"), Bytes.toBytes("ad"), Bytes.toBytes("an"),
+ Bytes.toBytes("b"), Bytes.toBytes("ca"), Bytes.toBytes("cl"),
+ Bytes.toBytes("d"), Bytes.toBytes("e"), Bytes.toBytes("f"),
+ Bytes.toBytes("g"), Bytes.toBytes("h"), Bytes.toBytes("i"),
+ Bytes.toBytes("j"), Bytes.toBytes("k"), Bytes.toBytes("l"),
+ Bytes.toBytes("m"), Bytes.toBytes("n"), Bytes.toBytes("o"),
+ Bytes.toBytes("q"), Bytes.toBytes("r"), Bytes.toBytes("s"),
+ Bytes.toBytes("se"), Bytes.toBytes("t"), Bytes.toBytes("u"),
+ Bytes.toBytes("v"), Bytes.toBytes("w"), Bytes.toBytes("x"),
+ Bytes.toBytes("y"), Bytes.toBytes("z")
+ };
+
+ /**
+ * The length at which keys auto-split.
+ */
+ public static final String USERNAME_SPLIT_KEY_PREFIX_LENGTH = "4";
+
+ /**
+ * @return splits for splits where a user is a prefix.
+ */
+ public static byte[][] getUsernameSplits() {
+byte[][] kloon = USERNAME_SPLITS.clone();
+// Deep copy.
+for (int row = 0; row < USERNAME_SPLITS.length; row++) {
+ kloon[row] = Bytes.copy(USERNAME_SPLITS[row]);
+}
+return kloon;
+ }
+
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b01514f6/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimestampGenerator.java
--
diff --git
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimestampGenerator.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimestampGenerator.java
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b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimestampGenerator.java
@@ -0,0 +1,116 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or
