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- We use 20 Tajo cluster nodes.
- We process 4TB (400,000,000 events) per day.
LINEWALKS Inc. (http://www.linewalks.com)
- LINEWALKS provides visual data discovery services for advanced analysis of large-scale data sets of various fields including Medicine and Finance.
- We use Tajo to analyze medical data sets provided by HIRA (Health Insurance Review and Assessment service) .
- We use a Tajo cluster of 10 nodes on HDFS for performing ETL and complex data analysis tasks.
Locket (http://www.getlocket.com/)
- They use 10 nodes on Amazon EC2.
LOEN Entertainment (http://www.iloen.com)
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- SK telecom is the largest mobile carrier in South Korea.
- In overall, Tajo is used to analysis logs collected from our cellular network.
- We replaced some commercial data warehouse system by Tajo.
- We use Tajo for ETL and OLAP workloads.
- We use 2 nodes for Tajo Master and 51 nodes for Tajo workers.
For only ETL, we process over 120 SQL queries that process over 4TB per day.
- We also submit more than 500 different queries through some integrated OLAP tool per day.
Locket (http://www.getlocket.com/)
- They use 10 nodes on Amazon EC2.