With Hadoop 2.6 or later, you can use the s3a:// protocol (vs. s3n://), which should be more reliable (though some bug fixes aren't available until 2.7, see https://issues.apache.org/jira/browse/HADOOP-11571)
And you can also then set these properties to control timeouts: > <property> > <name>fs.s3a.connection.establish.timeout</name> > <value>5000</value> > <description>Socket connection setup timeout in milliseconds.</description> > </property> > > <property> > <name>fs.s3a.connection.timeout</name> > <value>50000</value> > <description>Socket connection timeout in milliseconds.</description> > </property> -- Ken > From: Sourigna Phetsarath > Sent: March 17, 2016 2:05:39pm PDT > To: user@flink.apache.org > Subject: S3 Timeouts with lots of Files Using Flink 0.10.2 > > All: > > I'm trying to read lots of files from S3 and I am getting timeouts from S3: > > java.io.IOException: Error opening the Input Split <FILE> [0,558574890]: > Input opening request timed out. Opener was alive. Stack of split open > thread: > at sun.misc.Unsafe.park(Native Method) > at > java.util.concurrent.locks.LockSupport.parkUntil(LockSupport.java:267) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitUntil(AbstractQueuedSynchronizer.java:2130) > at org.apache.http.pool.PoolEntryFuture.await(PoolEntryFuture.java:131) > at > org.apache.http.pool.AbstractConnPool.getPoolEntryBlocking(AbstractConnPool.java:282) > at > org.apache.http.pool.AbstractConnPool.access$000(AbstractConnPool.java:64) > at > org.apache.http.pool.AbstractConnPool$2.getPoolEntry(AbstractConnPool.java:177) > at > org.apache.http.pool.AbstractConnPool$2.getPoolEntry(AbstractConnPool.java:170) > at org.apache.http.pool.PoolEntryFuture.get(PoolEntryFuture.java:102) > at > org.apache.http.impl.conn.PoolingClientConnectionManager.leaseConnection(PoolingClientConnectionManager.java:208) > at > org.apache.http.impl.conn.PoolingClientConnectionManager$1.getConnection(PoolingClientConnectionManager.java:195) > at sun.reflect.GeneratedMethodAccessor49.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > com.amazonaws.http.conn.ClientConnectionRequestFactory$Handler.invoke(ClientConnectionRequestFactory.java:70) > at com.amazonaws.http.conn.$Proxy24.getConnection(Unknown Source) > at > org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:423) > at > org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863) > at > org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) > at > org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57) > at > com.amazonaws.http.AmazonHttpClient.executeOneRequest(AmazonHttpClient.java:822) > at > com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:576) > at > com.amazonaws.http.AmazonHttpClient.doExecute(AmazonHttpClient.java:362) > at > com.amazonaws.http.AmazonHttpClient.executeWithTimer(AmazonHttpClient.java:328) > at > com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:307) > at > com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:3659) > at > com.amazonaws.services.s3.AmazonS3Client.getObject(AmazonS3Client.java:1162) > at > com.amazon.ws.emr.hadoop.fs.s3n.Jets3tNativeFileSystemStore.retrievePair(Jets3tNativeFileSystemStore.java:357) > at > com.amazon.ws.emr.hadoop.fs.s3n.Jets3tNativeFileSystemStore.retrievePair(Jets3tNativeFileSystemStore.java:343) > at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) > at com.sun.proxy.$Proxy23.retrievePair(Unknown Source) at > com.amazon.ws.emr.hadoop.fs.s3n.S3NativeFileSystem.open(S3NativeFileSystem.java:1157) > at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:767) > at > com.amazon.ws.emr.hadoop.fs.EmrFileSystem.open(EmrFileSystem.java:172) > at > org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.open(HadoopFileSystem.java:387) > at > org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.open(HadoopFileSystem.java:48) > at > org.apache.flink.api.common.io.FileInputFormat$InputSplitOpenThread.run(FileInputFormat.java:841) > at > org.apache.flink.api.common.io.FileInputFormat.open(FileInputFormat.java:680) > at > com.aol.ds.arc.ml.flink.AvroGenericRecordInputFormat.open(AvroGenericRecordInputFormat.java:56) > at > org.apache.flink.api.common.io.FileInputFormat.open(FileInputFormat.java:57) > at > org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:146) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:584) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.io.IOException: Input opening request timed out. Opener was > alive. Stack of split open thread: > at sun.misc.Unsafe.park(Native Method) > at > java.util.concurrent.locks.LockSupport.parkUntil(LockSupport.java:267) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitUntil(AbstractQueuedSynchronizer.java:2130) > at org.apache.http.pool.PoolEntryFuture.await(PoolEntryFuture.java:131) > at > org.apache.http.pool.AbstractConnPool.getPoolEntryBlocking(AbstractConnPool.java:282) > at > org.apache.http.pool.AbstractConnPool.access$000(AbstractConnPool.java:64) > at > org.apache.http.pool.AbstractConnPool$2.getPoolEntry(AbstractConnPool.java:177) > at > org.apache.http.pool.AbstractConnPool$2.getPoolEntry(AbstractConnPool.java:170) > at org.apache.http.pool.PoolEntryFuture.get(PoolEntryFuture.java:102) > at > org.apache.http.impl.conn.PoolingClientConnectionManager.leaseConnection(PoolingClientConnectionManager.java:208) > at > org.apache.http.impl.conn.PoolingClientConnectionManager$1.getConnection(PoolingClientConnectionManager.java:195) > at sun.reflect.GeneratedMethodAccessor49.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > com.amazonaws.http.conn.ClientConnectionRequestFactory$Handler.invoke(ClientConnectionRequestFactory.java:70) > at com.amazonaws.http.conn.$Proxy24.getConnection(Unknown Source) > at > org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:423) > at > org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863) > at > org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) > at > org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57) > at > com.amazonaws.http.AmazonHttpClient.executeOneRequest(AmazonHttpClient.java:822) > at > com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:576) > at com.amazonaws.http.AmazonHttpClient.doExecute(AmazonHttpClient.java:362) > at > com.amazonaws.http.AmazonHttpClient.executeWithTimer(AmazonHttpClient.java:328) > at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:307) > at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:3659) > at > com.amazonaws.services.s3.AmazonS3Client.getObject(AmazonS3Client.java:1162) > at > com.amazon.ws.emr.hadoop.fs.s3n.Jets3tNativeFileSystemStore.retrievePair(Jets3tNativeFileSystemStore.java:357) > at > com.amazon.ws.emr.hadoop.fs.s3n.Jets3tNativeFileSystemStore.retrievePair(Jets3tNativeFileSystemStore.java:343) > at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > > at java.lang.reflect.Method.invoke(Method.java:606) > > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) > at com.sun.proxy.$Proxy23.retrievePair(Unknown Source) > at > com.amazon.ws.emr.hadoop.fs.s3n.S3NativeFileSystem.open(S3NativeFileSystem.java:1157) > at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:767) > at > com.amazon.ws.emr.hadoop.fs.EmrFileSystem.open(EmrFileSystem.java:172) > at > org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.open(HadoopFileSystem.java:387) > at > org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.open(HadoopFileSystem.java:48) > > at > org.apache.flink.api.common.io.FileInputFormat$InputSplitOpenThread.run(FileInputFormat.java:841) > > at > org.apache.flink.api.common.io.FileInputFormat$InputSplitOpenThread.waitForCompletion(FileInputFormat.java:890) > > at > org.apache.flink.api.common.io.FileInputFormat.open(FileInputFormat.java:676) > > > > > Is there a Flink Configuration to address this? > > I've also tried setting: > avroInputFormat.setUnsplittable(true) > > Are there any S3 properties that we should set? > > Thanks in advance. > -- > Gna Phetsarath > System Architect // AOL Platforms // Data Services // Applied Research Chapter > 770 Broadway, 5th Floor, New York, NY 10003 > o: 212.402.4871 // m: 917.373.7363 > vvmr: 8890237 aim: sphetsarath20 t: @sourigna > > > -------------------------- Ken Krugler +1 530-210-6378 http://www.scaleunlimited.com custom big data solutions & training Hadoop, Cascading, Cassandra & Solr -------------------------- Ken Krugler +1 530-210-6378 http://www.scaleunlimited.com custom big data solutions & training Hadoop, Cascading, Cassandra & Solr
