risingwave

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feat(stream): infer group topn's state table catalog in frontend.

1

Signed-off-by: Shmiwy I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? ***PLEASE DO NOT LEAVE THIS EMPTY !!!***...

shmiwy

Improve distributed query engine according to this design: https://singularity-data.quip.com/DMRPAbITntNc/Distributed-Query-Processing-Engine-Design Query manager(frontend): - [x] #2422 - [x] #2423 - [x] #3830 - [ ] #3831 - [x] #4051 - [x] #5028...

liurenjie1024

feat(compaction): limit memory usage for compaction read

1

I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? LRU-Cache can not limit memory strictly, although we can...

Little-Wallace

streaming: remove dirty flag for states

5

With flush status uniformly managed by the state table, there should be no dirty flag on each state; that is, we should be able to evict the entry at any...

BugenZhao

feat(meta): meta push version deltas to CN

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I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? meta push version deltas to CN this PR follows...

soundOfDestiny

feat(object_store): implement streaming upload for s3 and in mem object store

2

I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? Implement streaming upload for `InMemObjectStore` and `S3ObjectStore`. - `streaming_upload`...

Gun9niR

feat(hummock/meta): Reliable task cancellation via heartbeats

4

I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? Cancel compaction tasks and trigger new ones to its...

jon-chuang

batch: Execute root fragment task in frontend.

4

Currently the root fragment of mpp query is executed in compute node. It would be better to move it to frontend to reduce schedule and pull data latency.

liurenjie1024

feat: async stack trace middleware for compute-node gRPC

2

I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? This PR introduces a gRPC middleware for async stack...

BugenZhao

feat(optimizer): pk minimization for join and hop window using functional dependency

1

I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? Sometimes we have redundant columns in `pk`. Other columns...

Enter-tainer