Hive導入數據到Elasticsearch

本地環境試驗大家可以用docker快速搭建hive服務和es服務，可參照我的上兩篇博客。

登錄到hive server宿主機或者容器。

有網絡直接下載相關對應版本es hadoop jar包。

https://repo1.maven.org/maven2/org/elasticsearch/elasticsearch-hadoop/7.6.2/elasticsearch-hadoop-7.6.2.jar

$ winpty docker exec -it 1f588dced43d bash
root@1f588dced43d:/opt# ls
elasticsearch-hadoop-7.6.2.jar  hadoop-2.7.4  hive
root@1f588dced43d:/opt# hive
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/opt/hive/lib/log4j-slf4j-impl-2.6.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/opt/hadoop-2.7.4/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBin
der.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]

Logging initialized using configuration in file:/opt/hive/conf/hive-log4j2.properties Async: true
Hive-on-MR is deprecated in Hive 2 and may not be available in the future versions. Consider using a different execution engine (i.e
. spark, tez) or using Hive 1.X releases.
hive> add jar /opt/elasticsearch-hadoop-7.6.2.jar
    > ;
Added [/opt/elasticsearch-hadoop-7.6.2.jar] to class path
Added resources: [/opt/elasticsearch-hadoop-7.6.2.jar]
hive> create table test(uid string,uname string,udate string) STORED BY 'org.elasticsearch.hadoop.hive.EsStorageHandler' TBLPROPERTI
ES('es.resource' = 'test/user', 'es.nodes'='192.168.1.4', 'es.port'='9200', 'es.nodes.wan.only'='true');
OK
Time taken: 0.659 seconds
hive> show tables;
OK
test
user
Time taken: 0.071 seconds, Fetched: 2 row(s)
hive> insert into table test select * from `user`;
WARNING: Hive-on-MR is deprecated in Hive 2 and may not be available in the future versions. Consider using a different execution en
gine (i.e. spark, tez) or using Hive 1.X releases.
Query ID = root_20200704083011_352e0344-ea3c-487b-b97c-0b9f1ecf070f
Total jobs = 1
Launching Job 1 out of 1
Number of reduce tasks is set to 0 since there's no reduce operator
Job running in-process (local Hadoop)
2020-07-04 08:30:14,167 Stage-3 map = 100%,  reduce = 0%
Ended Job = job_local1424993503_0001
MapReduce Jobs Launched:
Stage-Stage-3:  HDFS Read: 150 HDFS Write: 0 SUCCESS
Total MapReduce CPU Time Spent: 0 msec
OK
Time taken: 2.759 seconds
hive>