sqoop big data

/hive/warehouse/data_w.db/seq_fdc_jplp --columns goal_ocityid,goal_issueid,compete_issueid,ncompete_rank --input-fields-terminated-by '\001' --input-lines-terminated-by '\n' Be sure to specify the-columns parameter. Otherwise, an error will be reported and the columns cannot be found.Usage:-columns Check whether data is imported successfully. ?sqoop eval --connect jdbc:oracle:thin:@localhost:p

Org.apache.hadoop.mapred.YarnChild.main (Yarnchild.java:158)caused By:java.lang.RuntimeException:Can ' t parse input data: ' 2,hello,456,0 'At User_info_copy.__loadfromfields (User_info_copy.java:335) at User_info_copy.parse (User_info_copy.java:268) at Org.apache.sqoop.mapreduce.TextExportMapper.map (Textexportmapper.java: the) ... Tenmorecaused by:java.lang.NumberFormatException:For input string: "2,hello,456,0"At java.lang.NumberFormatException

1. Install sqoop Download sqoop-1.2.0.tar.gz (version 1.20 is compatible with Hadoop0.20) Put the hadoop-core-0.20.2-cdh3u3.jar, hadoop-tools-0.20.2-cdh3u3.jar into the sqoop/lib directory, the two jar packages are out of cloudera company, you can go to its official website to download. 2. import data from mysql Go to

Tags: hiveOne, sqoop in synchronizing MySQL table structure to hiveSqoop create-hive-table--connect jdbc:mysql://ip:3306/sampledata--table t1--username Dev--password 1234--hive-table T1;Execution to this step exits, but in Hadoop's HDFs/hive/warehouse/directory is not found T1 table directory,But the normal execution is done as follows:The error is that Hive's jar package is missing.All of the jar packages should be like this:This is all the hadoop-2.

One: Two ways to Sqoop incremental importIncremental Import Arguments: Argument Description --check-column (col) Specifies the column to is examined when determining which rows to import. (the column should not being of type Char/nchar/varchar/varnchar/longvarchar/longnvarchar) --incremental (mode) Specifies how Sqoop determines

Tags: lin replace tell database hang CAs install prompt relationshipThe sqoop1.4.6 how to import MySQL data into the Sqoop installation of Hadoop is described in the previous article , and the following is a simple use command for data interoperability between the two. Display MySQL database information, General Sqoop

Tags: DSL java style order man LAN 2.7 CLI policyObjectiveThis article is primarily a summary of the pits that were encountered when importing data from MySQL to hive with Sqoop. Environment: System: Centos 6.5 hadoop:apache,2.7.3 mysql:5.1.73 jdk:1.8 sqoop:1.4.7 Hadoop runs in pseudo-distributed mode. One, the import command usedI

Label:# #以上完成后在h3机器上配置sqoop -1.4.4.bin__hadoop-2.0.4-alpha.tar.gzImporting the data from the users table in the MySQL test library on the host computer into HDFs, the default Sqoop 4 map runs mapreduce for import into HDFs, stored in the HDFs path to/user/root/users (User: Default Users, Root:mysql database user, test: Table name) directory with four output files

. jobclient:failed Map Tasks=114/07/19 12:04:33 INFO mapred. jobclient:launched Map tasks=414/07/19 12:04:33 INFO mapred. Jobclient:total time spent by all maps in occupied slots (ms) =3477414/07/19 12:04:33 INFO mapred. Jobclient:total time spent by all reduces in occupied slots (ms) =014/07/19 12:04:33 INFO mapred. Jobclient:total time spent by all maps waiting after reserving slots (ms) =014/07/19 12:04:33 INFO mapred. Jobclient:total time spent by all reduces waiting after reserving slots (m

Let me tell you, Big Data engineers have an annual salary of more than 0.5 million and a technical staff gap of 1.5 million. In the future, high-end technical talents will be snapped up by enterprises. Big Data is aimed at higher talent scarcity, higher salaries, and higher salaries. Next, we will analyze the

Label:Sqoop the data from MySQL to Hive and reported that the database access was denied. But the weird is, sqoop error is prompted to connect to the local MySQL was rejected, is not prompted to connect the target data MySQL is denied. I also connected to the zookeeper, will also be prompted to connect all the zookeeper host MySQL is denied. Log as below. In fact

import data from the same table more than once, the data is inserted into the HDFs directory as append.Parallel importAssuming this sqoop command, you need to import data from Oracle into HDFS: Sqoop import--append--connect $CONNECTURL--username $ORACLENAME--password $ORACL

test: with Oozie, execute Sqoop action to import data from DB2 into the Hive partition table. Places to be aware of:1, to add hive.metastore.uris this parameter. Otherwise, the data cannot be loaded into the hive table. Also, if there is more than one such operation in an XML literal, this parameter needs to be configured in each action.2, be aware of the escape

data_type category_id bigint category_name string category_level int default_import_categ_prior int user_import_categ_prior int default_eliminate_categ_prior int user_eliminate_categ_prior int update_time string The fields of the hive table are separated by \001, the rows are separated by \ n, and the empty fields are filled in \ n . Now you need to export the hive table pms