我如何 运行 不间断地进行火花流式传输
How can i run spark-streaming wthout interruptions
我正在尝试在 twitter 的帮助下保存来自 Twitter 的推文-streaming.But 我有一个问题:我的程序在一段时间后停止工作(取决于 4-5 附近 1 毫秒的批处理间隔秒)。那么,你能帮我解决这个问题吗)。请告诉我怎么了?
当批次间隔接近 100 毫秒时,我看到一些记录,例如
19/08/06 23:45:26 INFO BlockRDD: Removing RDD 103 from persistence list
19/08/06 23:45:26 INFO BlockManager: Removing RDD 103
19/08/06 23:45:26 INFO TwitterInputDStream: Removing blocks of RDD BlockRDD[103] at createStream at Twitter.java:35 of time 1565124324340 ms
19/08/06 23:45:26 INFO ReceivedBlockTracker: Deleting batches: 1565124324320 ms
19/08/06 23:45:26 INFO InputInfoTracker: remove old batch metadata: 1565124324320 ms
-------------------------------------------
Time: 1565124325500 ms
当批次间隔为 "big" 且任何数据不可用时,我只看到关于 Spark UI 开始和完成的消息。
package TwitterAnalysis;
import org.apache.spark.*;
import org.apache.spark.storage.StorageLevel;
import org.apache.spark.streaming.*;
import org.apache.spark.streaming.api.java.*;
import org.apache.spark.streaming.twitter.*;
import twitter4j.Status;
public class Twitter {
private static void setTwitterOAuth() {
System.setProperty("twitter4j.oauth.consumerKey", TwitterOAuthKey.consumerKey);
System.setProperty("twitter4j.oauth.consumerSecret", TwitterOAuthKey.consumerSecret);
System.setProperty("twitter4j.oauth.accessToken", TwitterOAuthKey.accessToken);
System.setProperty("twitter4j.oauth.accessTokenSecret", TwitterOAuthKey.accessTokenSecret);
}
public static void main(String [] args) {
setTwitterOAuth();
SparkConf conf = new SparkConf().setMaster("local[*]")
.setAppName("SparkTwitter");
// JavaSparkContext sparkContext = new JavaSparkContext(conf);
JavaStreamingContext jssc = new JavaStreamingContext(conf, new Duration(10000));
JavaReceiverInputDStream<Status> twitterStream = TwitterUtils.createStream(jssc);
//Stream that contains just tweets in english
JavaDStream<Status> enTweetsDStream=twitterStream.filter((status) -> "en".equalsIgnoreCase(status.getLang()));
enTweetsDStream.persist(StorageLevel.MEMORY_AND_DISK());
enTweetsDStream.print();
jssc.start();
}
}
根据这个答案: spark 2.0 及更高版本没有可用的 twitter-streaming-driver version.Solution 选择早期版本的 Spark)
我正在尝试在 twitter 的帮助下保存来自 Twitter 的推文-streaming.But 我有一个问题:我的程序在一段时间后停止工作(取决于 4-5 附近 1 毫秒的批处理间隔秒)。那么,你能帮我解决这个问题吗)。请告诉我怎么了?
当批次间隔接近 100 毫秒时,我看到一些记录,例如
19/08/06 23:45:26 INFO BlockRDD: Removing RDD 103 from persistence list
19/08/06 23:45:26 INFO BlockManager: Removing RDD 103
19/08/06 23:45:26 INFO TwitterInputDStream: Removing blocks of RDD BlockRDD[103] at createStream at Twitter.java:35 of time 1565124324340 ms
19/08/06 23:45:26 INFO ReceivedBlockTracker: Deleting batches: 1565124324320 ms
19/08/06 23:45:26 INFO InputInfoTracker: remove old batch metadata: 1565124324320 ms
-------------------------------------------
Time: 1565124325500 ms
当批次间隔为 "big" 且任何数据不可用时,我只看到关于 Spark UI 开始和完成的消息。
package TwitterAnalysis;
import org.apache.spark.*;
import org.apache.spark.storage.StorageLevel;
import org.apache.spark.streaming.*;
import org.apache.spark.streaming.api.java.*;
import org.apache.spark.streaming.twitter.*;
import twitter4j.Status;
public class Twitter {
private static void setTwitterOAuth() {
System.setProperty("twitter4j.oauth.consumerKey", TwitterOAuthKey.consumerKey);
System.setProperty("twitter4j.oauth.consumerSecret", TwitterOAuthKey.consumerSecret);
System.setProperty("twitter4j.oauth.accessToken", TwitterOAuthKey.accessToken);
System.setProperty("twitter4j.oauth.accessTokenSecret", TwitterOAuthKey.accessTokenSecret);
}
public static void main(String [] args) {
setTwitterOAuth();
SparkConf conf = new SparkConf().setMaster("local[*]")
.setAppName("SparkTwitter");
// JavaSparkContext sparkContext = new JavaSparkContext(conf);
JavaStreamingContext jssc = new JavaStreamingContext(conf, new Duration(10000));
JavaReceiverInputDStream<Status> twitterStream = TwitterUtils.createStream(jssc);
//Stream that contains just tweets in english
JavaDStream<Status> enTweetsDStream=twitterStream.filter((status) -> "en".equalsIgnoreCase(status.getLang()));
enTweetsDStream.persist(StorageLevel.MEMORY_AND_DISK());
enTweetsDStream.print();
jssc.start();
}
}
根据这个答案: