Querying MongoDB via Apache Pig
This crisp post in on querying MongoDB for HDFS Data Transfer, via Pig. Below are the steps involved for the same: 1. Install MongoDB on… Read More »Querying MongoDB via Apache Pig
ETL
Hive – Selected data import/query – Files and folders (mapred.input.dir.recursive)
Data import in Hive by default expects a directory name in its query specified by LOCATION keyword. By default Hive picks up all the files… Read More »Hive – Selected data import/query – Files and folders (mapred.input.dir.recursive)
Integrating Hive 0.9.0 with HBase 0.94.3 – Identifying root cause for RuntimeException: Error while reading from task log url
The last post here was on integrating Hive 0.11.0 with HBase 0.94.2. But because of issue HIVE-4515 currently we are not able to query HBase… Read More »Integrating Hive 0.9.0 with HBase 0.94.3 – Identifying root cause for RuntimeException: Error while reading from task log url
HBase Hive integration – Querying HBase via Hive
There is a cool post here on Apache wiki : HBase Hive integration .This post is a simplified compilation of the same. Hive: 0.11.0 HBase:… Read More »HBase Hive integration – Querying HBase via Hive
Apache Hive micro guide
Apache Hive is an open source project under Apache, actually developed by Facebook. Hive is an SQL data warehouse for Apache Hadoop. Hive makes working… Read More »Apache Hive micro guide
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