/*
*
* Copyright 2013 Netflix, Inc.
*
* 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 com.netflix.bdp.s3mper.cli;
import com.netflix.bdp.s3mper.common.PathUtil;
import com.netflix.bdp.s3mper.metastore.impl.MetastoreJanitor;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.apache.hadoop.conf.Configuration;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.CmdLineException;
import org.kohsuke.args4j.CmdLineParser;
import org.kohsuke.args4j.Option;
import org.kohsuke.args4j.OptionHandlerFilter;
/**
* Deletes entries from the Metastore using the timeseries index.
*
* @author dweeks
*/
public class MetastoreTimeseriesDeleteCommand extends Command {
@Option(name="-ru",usage="Max read units to consume")
private int readUnits = 100;
@Option(name="-wu",usage="Max write units to consume")
private int writeUnits = 200;
@Option(name="-s",usage="Numer of scan threads")
private int scanThreads = 1;
@Option(name="-d",usage="Number of delete threads")
private int deleteThreads = 10;
@Option(name="-u",usage="Time unit (days, hours, minutes)")
private String unitType = "Days";
@Option(name="-n",usage="Number of specified units")
private int unitCount = 1;
@Argument
private List<String> args = new ArrayList<String>();
@Override
public void execute(Configuration conf, String[] args) throws Exception {
CmdLineParser parser = new CmdLineParser(this);
try {
parser.parseArgument(args);
} catch (CmdLineException e) {
System.err.println(e.getMessage());
System.err.println("s3mper meta delete_ts [options]");
// print the list of available options
parser.printUsage(System.err);
System.err.println();
System.err.println(" Example: s3mper meta delete_ts "+parser.printExample(OptionHandlerFilter.ALL));
return;
}
MetastoreJanitor janitor = new MetastoreJanitor();
janitor.initalize(PathUtil.S3N, conf);
janitor.setScanLimit(readUnits);
janitor.setDeleteLimit(writeUnits);
janitor.setScanThreads(scanThreads);
janitor.setDeleteThreads(deleteThreads);
janitor.deleteTimeseries(TimeUnit.valueOf(unitType.toUpperCase()), unitCount);
}
}