使用Python连接Hbase数据库
1，Hbase下载。
下载地址：http://hbase.apache.org/downloads.html
2，本地Hbase安装
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| 1root@master:/usr/local/setup_tools# tar -zxvf hbase-2.0.0-bin.tar.gz
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| 1root@master:/usr/local/setup_tools# mv hbase-2.0.0 /usr/local/
2root@master:/usr/local/setup_tools# cd /usr/local
3root@master:/usr/local# ls | grep hbase
4hbase-2.0.0
5root@master:/usr/local#
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| 1root@master:/usr/local/hbase-2.0.0# vi /etc/profile
2export HBASE_HOME=/usr/local/hbase-2.0.0
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4export PATH=.:$PATH:$JAVA_HOME/bin:$SCALA_HOME/bin:$HADOOP_HOME/bin:$SPARK_HOME/bin:$HIVE_HOME/bin:$FLUME_HOME/bin:$ZOOKEEPER_HOME/bin:$KAFKA_HOME/bin:$IDEA_HOME/bin:$eclipse_HOME:$MAVEN_HOME/bin:$ALLUXIO_HOME/bin:$HBASE_HOME/bin
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| 1root@master:/usr/local/hbase-2.0.0# source /etc/profile
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3，配置
修改hbase-site.xml，设置存储数据的根目录。
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| 1root@master:/usr/local/hbase-2.0.0/conf# vi hbase-site.xml
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| 1<configuration>
2 <property>
3 <name>hbase.rootdir</name>
4 <value>file:///usr/local/hbase-2.0.0/data</value>
5 </property>
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7</configuration>
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| 1root@master:/usr/local/hbase-2.0.0# cd bin
2root@master:/usr/local/hbase-2.0.0/bin# ls
3considerAsDead.sh hbase hbase-config.cmd hbase-jruby master-backup.sh replication start-hbase.sh zookeepers.sh
4draining_servers.rb hbase-cleanup.sh hbase-config.sh hirb.rb region_mover.rb rolling-restart.sh stop-hbase.cmd
5get-active-master.rb hbase.cmd hbase-daemon.sh local-master-backup.sh regionservers.sh shutdown_regionserver.rb stop-hbase.sh
6graceful_stop.sh hbase-common.sh hbase-daemons.sh local-regionservers.sh region_status.rb start-hbase.cmd test
7root@master:/usr/local/hbase-2.0.0/bin# start-hbase.sh
8SLF4J: Class path contains multiple SLF4J bindings.
9SLF4J: Found binding in [jar:file:/usr/local/hbase-2.0.0/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
10SLF4J: Found binding in [jar:file:/usr/local/hadoop-2.6.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
11SLF4J: Found binding in [jar:file:/usr/local/alluxio-1.7.0-hadoop-2.6/client/alluxio-1.7.0-client.jar!/org/slf4j/impl/StaticLoggerBinder.class]
12SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
13SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
14running master, logging to /usr/local/hbase-2.0.0/logs/hbase-root-master-master.out
15root@master:/usr/local/hbase-2.0.0/bin# jps
162757 Jps
172685 HMaster
18 |
5，使用hbase shell
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| 1root@master:/usr/local/hbase-2.0.0/bin# hbase shell
2SLF4J: Class path contains multiple SLF4J bindings.
3SLF4J: Found binding in [jar:file:/usr/local/hbase-2.0.0/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
4SLF4J: Found binding in [jar:file:/usr/local/hadoop-2.6.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
5SLF4J: Found binding in [jar:file:/usr/local/alluxio-1.7.0-hadoop-2.6/client/alluxio-1.7.0-client.jar!/org/slf4j/impl/StaticLoggerBinder.class]
6SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
7SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
8HBase Shell
9Use "help" to get list of supported commands.
10Use "exit" to quit this interactive shell.
11Version 2.0.0, r7483b111e4da77adbfc8062b3b22cbe7c2cb91c1, Sun Apr 22 20:26:55 PDT 2018
12Took 0.0044 seconds
13hbase(main):001:0>
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| 1hbase(main):003:0> version
22.0.0, r7483b111e4da77adbfc8062b3b22cbe7c2cb91c1, Sun Apr 22 20:26:55 PDT 2018
3Took 0.0054 seconds
4hbase(main):004:0>
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启动hbase thrift服务。
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| 1root@master:/usr/local/hbase-2.0.0/bin# hbase-daemon.sh start thrift
2running thrift, logging to /usr/local/hbase-2.0.0/logs/hbase-root-thrift-master.out
3SLF4J: Class path contains multiple SLF4J bindings.
4SLF4J: Found binding in [jar:file:/usr/local/hbase-2.0.0/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
5SLF4J: Found binding in [jar:file:/usr/local/hadoop-2.6.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
6SLF4J: Found binding in [jar:file:/usr/local/alluxio-1.7.0-hadoop-2.6/client/alluxio-1.7.0-client.jar!/org/slf4j/impl/StaticLoggerBinder.class]
7SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
8root@master:/usr/local/hbase-2.0.0/bin# jps
93332 Jps
103254 ThriftServer
112685 HMaster
12root@master:/usr/local/hbase-2.0.0/bin#
13 |
二，使用Python连接Hbase。
1，建立Python开发环境 —虚拟环境。
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| 1root@master:/usr/local/hbase-2.0.0/bin# pip
2The program 'pip' is currently not installed. You can install it by typing:
3apt-get install python-pip
4root@master:/usr/local/hbase-2.0.0/bin# python
5Python 2.7.6 (default, Mar 22 2014, 22:59:56)
6[GCC 4.8.2] on linux2
7Type "help", "copyright", "credits" or "license" for more information.
8>>> exit()
9root@master:/usr/local/hbase-2.0.0/bin#
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| 1root@master:/usr/local/hbase-2.0.0/bin# apt-get install python-pip
2Reading package lists... Done
3Building dependency tree
4Reading state information... Done
5The following packages were automatically installed and are no longer required:
6 diffstat hardening-includes libapt-pkg-perl libarchive-zip-perl
7 libautodie-perl libclass-accessor-perl libemail-valid-perl libio-pty-perl
8 libio-string-perl libipc-run-perl libipc-system-simple-perl
9 liblist-moreutils-perl libnet-dns-perl libnet-domain-tld-perl libnet-ip-perl
10 libparse-debianchangelog-perl libperlio-gzip-perl libsub-identify-perl
11 libsub-name-perl libtext-levenshtein-perl patchutils t1utils
12Use 'apt-get autoremove' to remove them.
13The following extra packages will be installed:
14 python-chardet-whl python-colorama python-colorama-whl python-distlib
15 python-distlib-whl python-html5lib python-html5lib-whl python-pip-whl
16 python-pkg-resources python-requests-whl python-setuptools
17 python-setuptools-whl python-six-whl python-urllib3-whl python-wheel
18Suggested packages:
19 python-genshi python-distribute python-distribute-doc
20Recommended packages:
21 python-dev-all
22The following NEW packages will be installed:
23 python-chardet-whl python-colorama python-colorama-whl python-distlib
24 python-distlib-whl python-html5lib python-html5lib-whl python-pip
25 python-pip-whl python-requests-whl python-setuptools python-setuptools-whl
26 python-six-whl python-urllib3-whl python-wheel
27The following packages will be upgraded:
28 python-pkg-resources
291 upgraded, 15 newly installed, 0 to remove and 637 not upgraded.
30Need to get 1,744 kB of archives.
31After this operation, 4,184 kB of additional disk space will be used.
32Do you want to continue? [Y/n] y
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50Get:15 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/universe python-pip-whl all 1.5.4-1ubuntu4 [111 kB]
51Get:16 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main python-pkg-resources all 3.3-1ubuntu2 [61.9 kB]
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54Get:19 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main python-wheel all 0.24.0-1~ubuntu1 [44.7 kB]
55Fetched 1,723 kB in 9min 30s (3,019 B/s)
56Selecting previously unselected package python-chardet-whl.
57(Reading database ... 156494 files and directories currently installed.)
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59Unpacking python-chardet-whl (2.2.1-2~ubuntu1) ...
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119Setting up python-pip (1.5.4-1ubuntu4) ...
120Setting up python-wheel (0.24.0-1~ubuntu1) ...
121root@master:/usr/local/hbase-2.0.0/bin#
122 |
Pip安装好之后，安装virtualenv软件，让操作系统支持虚拟环境，可以得到命令virtualenv或者pyvenv命令。
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| 1root@master:/usr/local/hbase-2.0.0/bin# pip install virtualenv
2Downloading/unpacking virtualenv
3 Downloading virtualenv-16.0.0-py2.py3-none-any.whl (1.9MB): 1.9MB downloaded
4Installing collected packages: virtualenv
5Successfully installed virtualenv
6Cleaning up...
7root@master:/usr/local/hbase-2.0.0/bin#
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| 1root@master:/usr/local# mkdir myPythonEnv
2root@master:/usr/local# cd myPythonEnv
3root@master:/usr/local/myPythonEnv# pwd
4/usr/local/myPythonEnv
5root@master:/usr/local/myPythonEnv# Pyvenv project-env
6Pyvenv: command not found
7root@master:/usr/local/myPythonEnv# virtualenv project-env
8New python executable in /usr/local/myPythonEnv/project-env/bin/python
9Installing setuptools, pip, wheel...done.
10root@master:/usr/local/myPythonEnv#
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进入虚拟环境：
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| 1root@master:/usr/local/myPythonEnv/project-env/bin# source /usr/local/myPythonEnv/project-env/bin/activate
2(project-env) root@master:/usr/local/myPythonEnv/project-env/bin#
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| 1(project-env) root@master:/usr/local/myPythonEnv/project-env/bin# pip install thrift
2Collecting thrift
3/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:339: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may cause the server to present an incorrect TLS certificate, which can cause validation failures. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
4 SNIMissingWarning
5/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
6 InsecurePlatformWarning
7/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
8 InsecurePlatformWarning
9 Downloading https://files.pythonhosted.org/packages/c6/b4/510617906f8e0c5660e7d96fbc5585113f83ad547a3989b80297ac72a74c/thrift-0.11.0.tar.gz (52kB)
10 100% |████████████████████████████████| 61kB 22kB/s
11Collecting six>=1.7.2 (from thrift)
12 Downloading https://files.pythonhosted.org/packages/67/4b/141a581104b1f6397bfa78ac9d43d8ad29a7ca43ea90a2d863fe3056e86a/six-1.11.0-py2.py3-none-any.whl
13Building wheels for collected packages: thrift
14 Running setup.py bdist_wheel for thrift ... done
15 Stored in directory: /root/.cache/pip/wheels/be/36/81/0f93ba89a1cb7887c91937948519840a72c0ffdd57cac0ae8f
16Successfully built thrift
17Installing collected packages: six, thrift
18Successfully installed six-1.11.0 thrift-0.11.0
19 |
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| 1(project-env) root@master:/usr/local/myPythonEnv/project-env/bin# pip install hbase-thrift
2Collecting hbase-thrift
3/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:339: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may cause the server to present an incorrect TLS certificate, which can cause validation failures. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
4 SNIMissingWarning
5/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
6 InsecurePlatformWarning
7/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
8 InsecurePlatformWarning
9 Downloading https://files.pythonhosted.org/packages/89/f7/dbb6c764bb909ed361c255828701228d8c9867d541cfef84127e6f3704cc/hbase-thrift-0.20.4.tar.gz
10Requirement already satisfied: Thrift in /usr/local/myPythonEnv/project-env/lib/python2.7/site-packages (from hbase-thrift) (0.11.0)
11Requirement already satisfied: six>=1.7.2 in /usr/local/myPythonEnv/project-env/lib/python2.7/site-packages (from Thrift->hbase-thrift) (1.11.0)
12Building wheels for collected packages: hbase-thrift
13 Running setup.py bdist_wheel for hbase-thrift ... done
14 Stored in directory: /root/.cache/pip/wheels/fe/51/f2/afb7b010cd97910aa0b651d492735a38ed69a93a817444904e
15Successfully built hbase-thrift
16Installing collected packages: hbase-thrift
17Successfully installed hbase-thrift-0.20.4
18(project-env) root@master:/usr/local/myPythonEnv/project-env/bin#
19 |
Python连接HBASE的测试程序
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| 1(project-env) root@master:/usr/local/noc_python_201806# vi queryTest.py
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3from thrift import Thrift
4from thrift.transport import TSocket
5from thrift.transport import TTransport
6from thrift.protocol import TBinaryProtocol
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8from hbase import Hbase
9from hbase.ttypes import *
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11transport = TSocket.TSocket('localhost', 9090)
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13transport = TTransport.TBufferedTransport(transport)
14protocol = TBinaryProtocol.TBinaryProtocol(transport)
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16client = Hbase.Client(protocol)
17transport.open()
18print client.getTableNames()
19 |
运行结果为，查询出表：
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| 1(project-env) root@master:/usr/local/noc_python_201806# python queryTest.py
2['test', 'testHbase']
3(project-env) root@master:/usr/local/noc_python_201806#
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Hbase中的表
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| 1hbase(main):025:0> list
2TABLE
3test
4testHbase
52 row(s)
6Took 0.0188 seconds
7=> ["test", "testHbase"]
8hbase(main):026:0>
9 |
至此，Python连接Hbase已经成功！
