anmolnar commented on code in PR #6661: URL: https://github.com/apache/hbase/pull/6661#discussion_r2012932245
########## hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/WALReplayBase.java: ########## @@ -0,0 +1,194 @@ +/* + * 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.hbase.mapreduce; + +import java.io.IOException; +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.List; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.conf.Configured; +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.client.Connection; +import org.apache.hadoop.hbase.client.ConnectionFactory; +import org.apache.hadoop.hbase.client.RegionLocator; +import org.apache.hadoop.hbase.client.Table; +import org.apache.hadoop.hbase.io.ImmutableBytesWritable; +import org.apache.hadoop.hbase.regionserver.wal.WALCellCodec; +import org.apache.hadoop.hbase.util.EnvironmentEdgeManager; +import org.apache.hadoop.hbase.util.MapReduceExtendedCell; +import org.apache.hadoop.hbase.wal.WALEdit; +import org.apache.hadoop.hbase.wal.WALKey; +import org.apache.hadoop.mapreduce.Job; +import org.apache.hadoop.mapreduce.Mapper; +import org.apache.hadoop.mapreduce.OutputFormat; +import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; +import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat; +import org.apache.hadoop.util.Tool; +import org.apache.yetus.audience.InterfaceAudience; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +@InterfaceAudience.Public +public class WALReplayBase<V, T extends Mapper<WALKey, WALEdit, ImmutableBytesWritable, V>, Review Comment: Let's rename this to `WALPlayerBase` ########## hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/WALReplay.java: ########## @@ -0,0 +1,318 @@ +/* + * 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.hbase.mapreduce; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.TreeMap; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.fs.FileSystem; +import org.apache.hadoop.fs.FileUtil; +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.hbase.Cell; +import org.apache.hadoop.hbase.CellUtil; +import org.apache.hadoop.hbase.ExtendedCell; +import org.apache.hadoop.hbase.HBaseConfiguration; +import org.apache.hadoop.hbase.HConstants; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.client.Delete; +import org.apache.hadoop.hbase.client.Mutation; +import org.apache.hadoop.hbase.client.Put; +import org.apache.hadoop.hbase.io.ImmutableBytesWritable; +import org.apache.hadoop.hbase.util.CommonFSUtils; +import org.apache.hadoop.hbase.wal.WALEdit; +import org.apache.hadoop.hbase.wal.WALEditInternalHelper; +import org.apache.hadoop.hbase.wal.WALKey; +import org.apache.hadoop.mapreduce.Job; +import org.apache.hadoop.mapreduce.Mapper; +import org.apache.hadoop.mapreduce.OutputFormat; +import org.apache.hadoop.util.ToolRunner; +import org.apache.yetus.audience.InterfaceAudience; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos; + +/** + * A tool to replay WAL files as a M/R job. The WAL can be replayed for a set of tables or all + * tables, and a time range can be provided (in milliseconds). The WAL is filtered to the passed set + * of tables and the output can optionally be mapped to another set of tables. WAL replay can also + * replay bulkload operation from WAL files + */ +@InterfaceAudience.Public +public class WALReplay extends Review Comment: Let's rename this to `WALPlayerWithBulkload` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@hbase.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
