Release 0.176

General Changes

• Fix an issue where a query (and some of its tasks) continues to consume CPU/memory on the coordinator and workers after the query fails.
• Fix a regression that cause the GC overhead and pauses to increase significantly when processing maps.
• Fix a memory tracking bug that causes the memory to be overestimated for GROUP BY queries on bigint columns.
• Improve the performance of the transform_values() function.
• Add support for casting from JSON to REAL type.
• Add parse_duration() function.

MySQL Changes

• Disallow having a database in the connection-url config property.

Accumulo Changes

• Decrease planning time by fetching index metrics in parallel.

MongoDB Changes

• Allow predicate pushdown for ObjectID.