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Posted to common-commits@hadoop.apache.org by vr...@apache.org on 2019/03/08 06:54:45 UTC
[hadoop] branch branch-2 updated: YARN-8549 Adding a NoOp timeline
writer and reader plugin classes for ATSv2. Contributed by Prabha Manepalli
This is an automated email from the ASF dual-hosted git repository.
vrushali pushed a commit to branch branch-2
in repository https://gitbox.apache.org/repos/asf/hadoop.git
The following commit(s) were added to refs/heads/branch-2 by this push:
new b83ec96 YARN-8549 Adding a NoOp timeline writer and reader plugin classes for ATSv2. Contributed by Prabha Manepalli
b83ec96 is described below
commit b83ec96767bc97569674151e52a89d60313856f1
Author: Vrushali C <vr...@apache.org>
AuthorDate: Thu Mar 7 22:54:32 2019 -0800
YARN-8549 Adding a NoOp timeline writer and reader plugin classes for ATSv2. Contributed by Prabha Manepalli
---
.../storage/NoOpTimelineReaderImpl.java | 72 ++++++++++++++++++++++
.../storage/NoOpTimelineWriterImpl.java | 64 +++++++++++++++++++
2 files changed, 136 insertions(+)
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/NoOpTimelineReaderImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/NoOpTimelineReaderImpl.java
new file mode 100644
index 0000000..042718b
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/NoOpTimelineReaderImpl.java
@@ -0,0 +1,72 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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;
+
+import org.apache.hadoop.service.AbstractService;
+import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
+import org.apache.hadoop.yarn.server.timelineservice.reader.TimelineDataToRetrieve;
+import org.apache.hadoop.yarn.server.timelineservice.reader.TimelineEntityFilters;
+import org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Stub based implementation for TimelineReader. This implementation will
+ * not provide a complete implementation of all the necessary features. This
+ * implementation is provided solely for basic testing purposes.
+ */
+
+public class NoOpTimelineReaderImpl extends AbstractService
+ implements TimelineReader {
+
+ private static final Logger LOG =
+ LoggerFactory.getLogger(NoOpTimelineReaderImpl.class);
+
+ public NoOpTimelineReaderImpl() {
+ super(NoOpTimelineReaderImpl.class.getName());
+ LOG.info("NoOpTimelineReader is configured. Responses to all read "
+ + "requests would be empty");
+ }
+
+ @Override public TimelineEntity getEntity(TimelineReaderContext context,
+ TimelineDataToRetrieve dataToRetrieve) throws IOException {
+ LOG.debug("NoOpTimelineReader is configured. Response to all the read "
+ + "requests would be empty");
+ return new TimelineEntity();
+ }
+
+ @Override public Set<TimelineEntity> getEntities(
+ TimelineReaderContext context, TimelineEntityFilters filters,
+ TimelineDataToRetrieve dataToRetrieve) throws IOException {
+ LOG.debug("NoOpTimelineReader is configured. Response to all the read "
+ + "requests would be empty");
+ return new HashSet<>();
+ }
+
+ @Override public Set<String> getEntityTypes(TimelineReaderContext context)
+ throws IOException {
+ LOG.debug("NoOpTimelineReader is configured. Response to all the read "
+ + "requests would be empty");
+ return new HashSet<>();
+ }
+}
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/NoOpTimelineWriterImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/NoOpTimelineWriterImpl.java
new file mode 100644
index 0000000..247e0d9
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/NoOpTimelineWriterImpl.java
@@ -0,0 +1,64 @@
+/**
+ * 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;
+
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.service.AbstractService;
+import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities;
+import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
+import org.apache.hadoop.yarn.api.records.timelineservice.TimelineWriteResponse;
+import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+
+/**
+ * Stub based implementation for TimelineWriter. This implementation will
+ * not provide a complete implementation of all the necessary features. This
+ * implementation is provided solely for basic testing purposes.
+ */
+
+public class NoOpTimelineWriterImpl extends AbstractService implements
+ TimelineWriter{
+ private static final Logger LOG =
+ LoggerFactory.getLogger(NoOpTimelineWriterImpl.class);
+
+ public NoOpTimelineWriterImpl() {
+ super(NoOpTimelineWriterImpl.class.getName());
+ LOG.info("NoOpTimelineWriter is configured. All the writes to the backend" +
+ " are ignored");
+ }
+
+ @Override public TimelineWriteResponse write(TimelineCollectorContext context,
+ TimelineEntities data, UserGroupInformation callerUgi)
+ throws IOException {
+ LOG.debug("NoOpTimelineWriter is configured. Not storing TimelineEntities");
+ return new TimelineWriteResponse();
+ }
+
+ @Override public TimelineWriteResponse aggregate(TimelineEntity data,
+ TimelineAggregationTrack track) throws IOException {
+ LOG.debug("NoOpTimelineWriter is configured. Not storing TimelineEntities");
+ return new TimelineWriteResponse();
+ }
+
+ @Override public void flush() throws IOException {
+ LOG.debug("NoOpTimelineWriter is configured. Ignoring flush call");
+ }
+}
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