SpanIpSink.java
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package com.yoho.trace.online.sink;
import com.yoho.trace.anaylzer.model.SpanIpResult;
import com.yoho.trace.store.HBasePool;
import org.apache.flink.api.java.tuple.Tuple2;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.streaming.api.functions.sink.RichSinkFunction;
import org.apache.flink.streaming.api.functions.sink.SinkFunction;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.Durability;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.util.Bytes;
import java.io.IOException;
/**
* Created by mingdan.ge on 2019/11/11.
*/
public class SpanIpSink extends RichSinkFunction<Tuple2<String, SpanIpResult>> {
private Connection conn;
private HTable table;
@Override
public void open(Configuration parameters) throws Exception {
conn = HBasePool.getConnection();
table = (HTable) conn.getTable(TableName.valueOf("span_ip"));
table.setWriteBufferSize(1024 * 1024 * 20);
table.setAutoFlush(false, true);//不单个提交
}
@Override
public void invoke(Tuple2<String, SpanIpResult> value, SinkFunction.Context context) throws Exception {
String key = value.f0;
SpanIpResult spanIpResult = value.f1;
Put put = new Put(Bytes.toBytes(key));
//其实不推荐关闭WAL，不过关了的确可以提升性能...因为HBase在写数据前会先写WAL，以保证在异常情况下，HBase可以按照WAL的记录来恢复还未持久化的数据。
put.setDurability(Durability.SKIP_WAL);
put.addColumn(Bytes.toBytes("data"), Bytes.toBytes("avg_duration"), Bytes.toBytes(spanIpResult.getAvgDuration()));
put.addColumn(Bytes.toBytes("data"), Bytes.toBytes("times"), Bytes.toBytes(spanIpResult.getTimes()));
put.addColumn(Bytes.toBytes("data"), Bytes.toBytes("ip"), Bytes.toBytes(spanIpResult.getIp()));
table.put(put);
}
@Override
public void close() throws Exception {
try {
table.close();
} catch (IOException e) {
e.printStackTrace();
}
super.close();
conn.close();
}
}