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hive-mysql安裝配置

來(lái)源:懂視網(wǎng) 責(zé)編:小采 時(shí)間:2020-11-09 19:15:16
文檔

hive-mysql安裝配置

hive-mysql安裝配置:默認(rèn)情況下,hive的元數(shù)據(jù)信息存儲(chǔ)在內(nèi)置的Derby數(shù)據(jù)中。Facebook將hive元數(shù)據(jù)存儲(chǔ)在關(guān)系數(shù)據(jù)庫(kù)1、安裝好mysql ,sudo apt-get install mysql-server2、創(chuàng)建mysql用戶hadoop $ mysql -u root -p 進(jìn)入root用戶 mysql> CREAT
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導(dǎo)讀hive-mysql安裝配置:默認(rèn)情況下,hive的元數(shù)據(jù)信息存儲(chǔ)在內(nèi)置的Derby數(shù)據(jù)中。Facebook將hive元數(shù)據(jù)存儲(chǔ)在關(guān)系數(shù)據(jù)庫(kù)1、安裝好mysql ,sudo apt-get install mysql-server2、創(chuàng)建mysql用戶hadoop $ mysql -u root -p 進(jìn)入root用戶 mysql> CREAT

默認(rèn)情況下,hive的元數(shù)據(jù)信息存儲(chǔ)在內(nèi)置的Derby數(shù)據(jù)中。Facebook將hive元數(shù)據(jù)存儲(chǔ)在關(guān)系數(shù)據(jù)庫(kù)

1、安裝好mysql ,sudo apt-get install mysql-server

2、創(chuàng)建mysql用戶hadoop

$ mysql -u root -p 進(jìn)入root用戶

mysql> CREATE USER 'hadoop'@'localhost' IDENTIFIED BY 'hadoop';

3、授權(quán):mysql> GRANT ALL PRIVILEGES ON *.* TO'hadoop'@'localhost' WITH GRANT OPTION;

4、登錄到hadoop 用戶 $ mysql -u hadoop -p

5、創(chuàng)建數(shù)據(jù)庫(kù)hive

mysql>create database hive;

6、修改hive中hive-site.xml


hive.metastore.local
true
Thrift uri for the remote metastore. Used by metastore client to connect to remote metastore.


javax.jdo.option.ConnectionURL
jdbc:mysql://localhost:3306/hive?createDatabaseIfNotExist=true
JDBC connect string for a JDBC metastore


javax.jdo.option.ConnectionDriverName
com.mysql.jdbc.Driver
Driver class name for a JDBC metastore


javax.jdo.PersistenceManagerFactoryClass
org.datanucleus.jdo.JDOPersistenceManagerFactory
class implementing the jdo persistence


javax.jdo.option.DetachAllOnCommit
true
detaches all objects from session so that they can be used after transaction is committed


javax.jdo.option.NonTransactionalRead
true
reads outside of transactions


javax.jdo.option.ConnectionUserName
hadoop
username to use against metastore database


javax.jdo.option.ConnectionPassword
hadoop
password to use against metastore database

7、將mysql jdbc driver拷貝到hive的lib下

8、測(cè)試:

hive> create table tmp(info int);
OK
Time taken: 0.66 seconds
hive> show tables;
OK
tmp
Time taken: 0.138 seconds
hive> exit;
hadoop@hadoop-VirtualBox:~/hive-0.10.0$ mysql -u hadoop -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or /g.
Your MySQL connection id is 50
Server version: 5.5.37-0ubuntu0.12.10.1 (Ubuntu)

Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '/h' for help. Type '/c' to clear the current input statement.

mysql> use hive;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> show tables;
+---------------------------+
| Tables_in_hive |
+---------------------------+
| BUCKETING_COLS |
| CDS |
| COLUMNS_V2 |
| DATABASE_PARAMS |
| DBS |
| PARTITION_KEYS |
| SDS |
| SD_PARAMS |
| SEQUENCE_TABLE |
| SERDES |
| SERDE_PARAMS |
| SKEWED_COL_NAMES |
| SKEWED_COL_VALUE_LOC_MAP |
| SKEWED_STRING_LIST |
| SKEWED_STRING_LIST_VALUES |
| SKEWED_VALUES |
| SORT_COLS |
| TABLE_PARAMS |
| TBLS |
+---------------------------+
19 rows in set (0.01 sec)

mysql> select * from COLUMNS_V2;
+-------+---------+-------------+-----------+-------------+
| CD_ID | COMMENT | COLUMN_NAME | TYPE_NAME | INTEGER_IDX |
+-------+---------+-------------+-----------+-------------+
| 1 | NULL | info | int | 0 |
+-------+---------+-------------+-----------+-------------+
1 row in set (0.01 sec)

mysql> select * from tbls;
ERROR 1146 (42S02): Table 'hive.tbls' doesn't exist
mysql> select * from TBLS;
+--------+-------------+-------+------------------+--------+-----------+-------+----------+---------------+--------------------+--------------------+
| TBL_ID | CREATE_TIME | DB_ID | LAST_ACCESS_TIME | OWNER | RETENTION | SD_ID | TBL_NAME | TBL_TYPE | VIEW_EXPANDED_TEXT | VIEW_ORIGINAL_TEXT |
+--------+-------------+-------+------------------+--------+-----------+-------+----------+---------------+--------------------+--------------------+
| 1 | 1399452288 | 1 | 0 | hadoop | 0 | 1 | tmp | MANAGED_TABLE | NULL | NULL |
+--------+-------------+-------+------------------+--------+-----------+-------+----------+---------------+--------------------+--------------------+
1 row in set (0.02 sec)

mysql> exit;

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文檔

hive-mysql安裝配置

hive-mysql安裝配置:默認(rèn)情況下,hive的元數(shù)據(jù)信息存儲(chǔ)在內(nèi)置的Derby數(shù)據(jù)中。Facebook將hive元數(shù)據(jù)存儲(chǔ)在關(guān)系數(shù)據(jù)庫(kù)1、安裝好mysql ,sudo apt-get install mysql-server2、創(chuàng)建mysql用戶hadoop $ mysql -u root -p 進(jìn)入root用戶 mysql> CREAT
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