RFCs

The RFC process is documented on our site. Please familiarize yourself with it, before working a new RFC.

Status can be one of these values.

Status	Meaning
UNDER REVIEW	RFC has been proposed and community is actively debating the design/proposal.
IN PROGRESS	The initial phase of implementation is underway.
ONGOING	Some or most work has landed; community continues to improve or build follow on phases.
ABANDONED	The proposal was not implemented, due to various reasons.
COMPLETED	All work is deemed complete.

The list of all RFCs can be found here.

Older RFC content is still here.

RFC Number	Title	Status
1	CSV Source Support for Delta Streamer	COMPLETED
2	ORC Storage in Hudi	COMPLETED
3	Timeline Service with Incremental File System View Syncing	COMPLETED
4	Faster Hive incremental pull queries	COMPLETED
5	HUI (Hudi WebUI)	ABANDONED
6	Add indexing support to the log file	ABANDONED
7	Point in time Time-Travel queries on Hudi table	COMPLETED
8	Metadata based Record Index	COMPLETED
9	Hudi Dataset Snapshot Exporter	COMPLETED
10	Restructuring and auto-generation of docs	COMPLETED
11	Refactor of the configuration framework of hudi project	ABANDONED
12	Efficient Migration of Large Parquet Tables to Apache Hudi	COMPLETED
13	Integrate Hudi with Flink	COMPLETED
14	JDBC incremental puller	COMPLETED
15	HUDI File Listing Improvements	COMPLETED
16	Abstraction for HoodieInputFormat and RecordReader	COMPLETED
17	Abstract common meta sync module support multiple meta service	COMPLETED
18	Insert Overwrite API	COMPLETED
19	Clustering data for freshness and query performance	COMPLETED
20	handle failed records	ONGOING
21	Allow HoodieRecordKey to be Virtual	COMPLETED
22	Snapshot Isolation using Optimistic Concurrency Control for multi-writers	COMPLETED
23	Hudi Observability metrics collection	ABANDONED
24	Hoodie Flink Writer Proposal	COMPLETED
25	Spark SQL Extension For Hudi	COMPLETED
26	Optimization For Hudi Table Query	COMPLETED
27	Data skipping index to improve query performance	COMPLETED
28	Support Z-order curve	COMPLETED
29	Hash Index	COMPLETED
30	Batch operation	ABANDONED
31	Hive integration Improvement	ONGOING
32	Kafka Connect Sink for Hudi	ONGOING
33	Hudi supports more comprehensive Schema Evolution	COMPLETED
34	Hudi BigQuery Integration	COMPLETED
35	Make Flink MOR table writing streaming friendly	UNDER REVIEW
36	HUDI Metastore Server	ONGOING
37	Hudi Metadata based Bloom Index	ONGOING
38	Spark Datasource V2 Integration	COMPLETED
39	Incremental source for Debezium	COMPLETED
40	Hudi Connector for Trino	COMPLETED
41	Hudi Snowflake Integration	IN PROGRESS
42	Consistent Hashing Index	ONGOING
43	Table Management Service	IN PROGRESS
44	Hudi Connector for Presto	COMPLETED
45	Asynchronous Metadata Indexing	COMPLETED
46	Optimizing Record Payload Handling	ONGOING
47	Add Call Produce Command for Spark SQL	COMPLETED
48	LogCompaction for MOR tables	ONGOING
49	Support sync with DataHub	COMPLETED
50	Improve Timeline Server	IN PROGRESS
51	Change Data Capture	ONGOING
52	Introduce Secondary Index to Improve HUDI Query Performance	ONGOING
53	Use Lock-Free Message Queue Improving Hoodie Writing Efficiency	COMPLETED
54	New Table APIs and Streamline Hudi Configs	UNDER REVIEW
55	Improve Hive/Meta sync class design and hierarchies	COMPLETED
56	Early Conflict Detection For Multi-Writer	COMPLETED
57	DeltaStreamer Protobuf Support	COMPLETED
58	Integrate column stats index with all query engines	UNDER REVIEW
59	Multiple event_time Fields Latest Verification in a Single Table	UNDER REVIEW
60	Federated Storage Layer	IN PROGRESS
61	Snapshot view management	UNDER REVIEW
62	Diagnostic Reporter	UNDER REVIEW
63	Functional Indexes	UNDER REVIEW
64	New Hudi Table Spec API for Query Integrations	UNDER REVIEW
65	Partition TTL Management	UNDER REVIEW
66	Lockless Multi-Writer Support	UNDER REVIEW
67	Hudi Bundle Standards	UNDER REVIEW
68	A More Effective HoodieMergeHandler for COW Table with Parquet	UNDER REVIEW
69	Hudi 1.x	UNDER REVIEW
70	Hudi Reverse Streamer	UNDER REVIEW
71	Enhance OCC conflict detection	UNDER REVIEW
72	Redesign Hudi-Spark Integration	ONGOING
73	Multi-Table Transactions	UNDER REVIEW
74	HoodieStorage: Hudi Storage Abstraction and APIs	UNDER REVIEW
75	Hudi-Native HFile Reader and Writer	UNDER REVIEW
76	Auto Record key generation	IN PROGRESS
77	Secondary Index	UNDER REVIEW
78	Bridge release for 1.x	IN PROGRESS
79	Robust handling of spark task retries and failures	IN PROGRESS
80	Column Families	UNDER REVIEW
81	Log Compaction with Merge Sort	UNDER REVIEW
82	Concurrent schema evolution detection	UNDER REVIEW