Cloudera Navigator is a fully-integrated governance, compliance, and risk management solution for Hadoop. Cloudera Navigator provides comprehensive metadata, lineage, and auditing support across the enterprise data hub.
Unified technical and business metadata
Consolidate technical metadata for Hadoop files and tables, plus add custom tags and comments so that you can easily track, annotate and classify data in alignment with business rules.
View upstream and downstream column-level lineage in an easy-to-follow graph so that you can quickly identify the origin of a data set and its impact on downstream analysis.
Impala 1.4 for CDH4 contains features that are included in Cloudera Enterprise 5.1 which are supported by CDH4:
Fixed folder inheritance for Sentry (IMPALA-827)
LDAPS Support for more secure AD username/password authentication
ORDER BY without LIMIT
DDL support for creating a new table from an existing Parquet file schema
DDL support for creating Avro tables
Fixed folder inheritance issues for better framework interoperability (IMPALA-827)
Performance improvements for COMPUTE STATS and queries
Additional built-in functions like TRUNC, EXTRACT, and stats functions
Note that Impala 1.4 does not work with Cloudera Manager 4.7 or earlier. If your environment is managed by Cloudera Manager 4.7 or earlier, you should upgrade to Impala 1.4 and Cloudera Manager 4.8 together.