[server][client] Support per-partition bucket count for partitioned tables - #3908

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Kaixuan-Duan wants to merge 16 commits into

apache:mainfrom

Kaixuan-Duan:dev-resharding-phase1

Commits on Sep 8, 2026

[server][client] Support per-partition bucket count for partitioned tables
Kaixuan-Duan
committed
917013c
Guard the historical reroute against mismatched bucket counts
Kaixuan-Duan
committed
bf61c55
Rename bucket_count_actual to bucket_count and bucket_layout_epoch to bucket_count_epoch
Kaixuan-Duan
committed
c223a7e
Resolve the historical partition's bucket count in the tiering reader
Kaixuan-Duan
committed
a26a06b
[server] Report a stale routing bucket count per bucket, not per request

platinumhamburg
authored and
Kaixuan-Duan
committed
8ad6c43
[server] Skip routing bucket count validation for keyless tables

platinumhamburg
authored and
Kaixuan-Duan
committed
687d036
[client] Reclaim the batch sequence when a write is rejected with STALE_METADATA

platinumhamburg
authored and
Kaixuan-Duan
committed
dc2028d
[client] Fall back to table-level bucket count for never-rescaled partitions

platinumhamburg
authored and
Kaixuan-Duan
committed
ae15934
Use hash-distributed tables in the routing validation IT cases
Kaixuan-Duan
committed
8f1f1fd
[flink] Enumerate KV batch splits by the partition's own bucket count
Kaixuan-Duan
committed
9c79417
[client] Centralize the missing-bucket-count fallback into one policy

platinumhamburg
authored and
Kaixuan-Duan
committed
3316d3b
[server] Preserve bucketCountEpoch across schema changes
Kaixuan-Duan
committed
d7ae991
Revert "[server] Skip routing bucket count validation for keyless tables"
Kaixuan-Duan
committed
bec161c
[server] Make bucket rescale and historical partition mutually exclusive
Kaixuan-Duan
committed
3a3a0c3
[test] Extract CoordinatorEventProcessorTest harness into base class
Kaixuan-Duan
committed
0e99fff
[test] Remove the historical-partition rescale lookup ITCase
Kaixuan-Duan
committed
c60e5b4

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[server][client] Support per-partition bucket count for partitioned tables - #3908

[server][client] Support per-partition bucket count for partitioned tables#3908
Kaixuan-Duan wants to merge 16 commits into
apache:mainfrom
Kaixuan-Duan:dev-resharding-phase1

Commits on Sep 8, 2026

[server][client] Support per-partition bucket count for partitioned tables

Guard the historical reroute against mismatched bucket counts

Rename bucket_count_actual to bucket_count and bucket_layout_epoch to bucket_count_epoch

Resolve the historical partition's bucket count in the tiering reader

[server] Report a stale routing bucket count per bucket, not per request

[server] Skip routing bucket count validation for keyless tables

[client] Reclaim the batch sequence when a write is rejected with STALE_METADATA

[client] Fall back to table-level bucket count for never-rescaled partitions

Use hash-distributed tables in the routing validation IT cases

[flink] Enumerate KV batch splits by the partition's own bucket count

[client] Centralize the missing-bucket-count fallback into one policy

[server] Preserve bucketCountEpoch across schema changes

Revert "[server] Skip routing bucket count validation for keyless tables"

[server] Make bucket rescale and historical partition mutually exclusive

[test] Extract CoordinatorEventProcessorTest harness into base class

[test] Remove the historical-partition rescale lookup ITCase