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https://issues.apache.org/jira/browse/HADOOP-17981?focusedWorklogId=672602&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-672602
]
ASF GitHub Bot logged work on HADOOP-17981:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 01/Nov/21 10:24
Start Date: 01/Nov/21 10:24
Worklog Time Spent: 10m
Work Description: steveloughran commented on a change in pull request
#3597:
URL: https://github.com/apache/hadoop/pull/3597#discussion_r740107063
##########
File path:
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/committer/manifest/impl/StoreOperationsThroughFileSystem.java
##########
@@ -0,0 +1,271 @@
+/*
+ * 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.mapreduce.lib.output.committer.manifest.impl;
+
+import java.io.IOException;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.hadoop.fs.CommonPathCapabilities;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.PathIOException;
+import org.apache.hadoop.fs.RemoteIterator;
+import org.apache.hadoop.fs.Trash;
+import org.apache.hadoop.fs.impl.ResilientCommitByRename;
+import
org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.AbstractManifestData;
+import
org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.FileOrDirEntry;
+import
org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.TaskManifest;
+import org.apache.hadoop.util.JsonSerialization;
+
+import static
org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_TRASH_INTERVAL_KEY;
+
+/**
+ * Implement task and job operations through the filesystem API.
+ */
+public class StoreOperationsThroughFileSystem extends StoreOperations {
Review comment:
I screwed up that commit by cherrypicking from the manifest committer
branch (which I needed to) -but missed that git adds that as a file. Removed
them
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Issue Time Tracking
-------------------
Worklog Id: (was: 672602)
Time Spent: 1h 10m (was: 1h)
> Support etag-assisted renames in FileOutputCommitter
> ----------------------------------------------------
>
> Key: HADOOP-17981
> URL: https://issues.apache.org/jira/browse/HADOOP-17981
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, fs/azure
> Affects Versions: 3.4.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> To deal with some throttling/retry issues in object stores,
> pass the FileStatus entries retrieved during listing
> into a private interface ResilientCommitByRename which filesystems
> may implement to use extra attributes in the listing (etag, version)
> to constrain and validate the operation.
> Although targeting azure, GCS and others could use. no point in S3A as they
> shouldn't use this committer.
> # And we are not going to do any changes to FileSystem as there are explicit
> guarantees of public use and stability.
> I am not going to make that change as the hive thing that will suddenly start
> expecting it to work forever.
> # I'm not planning to merge this in, as the manifest committer is going to
> include this and more (MAPREDUCE-7341)
> However, I do need to get this in on a branch, so am doing this work on trunk
> for dev & test and for others to review
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