A Presto engine in watsonx.data fails with 'metastore connection failed' errors. What is the most likely cause?
Select an answer to reveal the explanation.
Short Explanation and Infographic
Metastore connection failures are typically caused by network issues (firewall rules; VPC configuration); incorrect metastore URI configuration; or the metastore service being unavailable — not data file or SQL issues.
Full explanation below image
Full Explanation
Metastore connection failures are typically caused by network issues (firewall rules; VPC configuration); incorrect metastore URI configuration; or the metastore service being unavailable — not data file or SQL issues. The incorrect options ("The Parquet files in object storage are corrupted", "Incorrect SQL syntax in the CREATE TABLE statement", "The IBM Cloud Object Storage bucket has reached its storage quota") are distractors that don't fully capture the concept described.