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11-11-2019
05:26 AM
I import data from Postgresql to hdfs and hdfs to S3 in my daily operation. (sqoop import [postgres to hdfs] & distcp [from hdfs to s3]) I wanted to remove intermediate step (hdfs) and directly import data to S3 bucket by using sqoop. However, same sqoop string fails in the end of the import operation. sqoop import
-Dmapreduce.map.memory.mb="8192"
-Dmapreduce.map.java.opts="-Xmx7200m"
-Dmapreduce.task.timeout=0
-Dmapreduce.task.io.sort.mb="2400"
--connect $conn_string$
--fetch-size=20000
--username $user_name$
--p $password$
--num-mappers 20
--query "SELECT * FROM table1 WHERE table1.id > 10000000 and table1.id < 20000000 and \$CONDITIONS"
--hcatalog-database $schema_name$
--hcatalog-table $table_name$
--hcatalog-storage-stanza "STORED AS PARQUET LOCATION s3a://path/to/destination"
--split-by table1.id I also tried --target-dir s3a://path/to/destination instead of ....... LOCATION s3a://path/to/destination After "mapping: %100 completed" it throws error message below: Error: java.io.IOException: Could not clean up TaskAttemptID:attempt_1571557098082_15536_m_000004_0@s3a://path/to/destination_DYN0.6894861001907555/ingest_day=__HIVE_DEFAULT_PARTITION__
at org.apache.hive.hcatalog.mapreduce.TaskCommitContextRegistry.commitTask(TaskCommitContextRegistry.java:83)
at org.apache.hive.hcatalog.mapreduce.FileOutputCommitterContainer.commitTask(FileOutputCommitterContainer.java:145)
at org.apache.hadoop.mapred.Task.commit(Task.java:1200)
at org.apache.hadoop.mapred.Task.done(Task.java:1062)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:345)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:170)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1866)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:164)
Caused by: java.io.IOException: Could not rename
s3a://path/to/destination/_DYN0.6894861001907555/ingest_day=20180522/_temporary/1/_temporary/attempt_1571557098082_15536_m_000004_0
to
s3a://path/to/destination/_DYN0.6894861001907555/ingest_day=20180522/_temporary/1/task_1571557098082_15536_m_000004
at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.commitTask(FileOutputCommitter.java:579)
at org.apache.hadoop.mapred.FileOutputCommitter.commitTask(FileOutputCommitter.java:172)
at org.apache.hadoop.mapred.OutputCommitter.commitTask(OutputCommitter.java:343)
at org.apache.hive.hcatalog.mapreduce.DynamicPartitionFileRecordWriterContainer$1.commitTask(DynamicPartitionFileRecordWriterContainer.java:125)
at org.apache.hive.hcatalog.mapreduce.TaskCommitContextRegistry.commitTask(TaskCommitContextRegistry.java:80)
... 9 more``` I know renaming in S3 is not possible but is there a walkaround to import data directly to the S3?
... View more
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Apache Sqoop