我使用的是'ibis-framework‘。我有过
hdfs_client = ibis.hdfs_connect(...)
impala_client = ibis.impala.connect(..., hdfs_client=hdfs_client)
db = impala_client.database('abc')
data = pd.DataFrame(...)
db.create_table('tb_name', obj=data, format='parquet', force=True)这失败了,因为由requests构造的namenoderpcaddress (在ibis中调用)有8020端口,而对于我来说正确的端口是8022 (这是Cloudera推荐的端口;可能用于HA目的)。
ConnectionError: HTTPConnectionPool(host='ip-0-0-0-0.ec2.internal', port=50075): Max retries exceeded with url: /webhdfs/v1/tmp/ibis/pandas_7ae170c27ee6426e97e0f84aa9a2a778/0.csv?op=CREATE&user.name=user&namenoderpcaddress=ip-0-0-0-0.ec2.internal:8020&overwrite=false&user.name=user (Caused by NewConnectionError('<requests.packages.urllib3.connection.HTTPConnection object at 0x7feb44be49d0>: Failed to establish a new connection: [Errno -2] Name or service not known',))(以上邮件中的ip地址由我编辑)
你知道怎么告诉ibis或者请求这个端口号吗?
谢谢。
发布于 2017-11-03 01:03:25
ibis.hdfs_connect接受可用于传递8022的port参数
https://stackoverflow.com/questions/36507743
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