Eric Fu

**Describe the bug** For different streaming jobs aka. `create materialized view`, it's reasonable to let them create different SourceExecutors for one source. However, things get different inside a streaming job:...

bug: source should never drop event for missing/redundant fields

1

According to @tabVersion, If an input JSON misses some fields defined in source definition aka. the `create source` statement, or contains some fields not defined in definination, the entire JSON...

Currently, we use a single tokio runtime i.e. a set of threads to execute all kinds of workloads except compactor. This could be dangerous because in some extreme cases the...

feat(ci): build with earlier version of GLIBC

4

Got errors when I tried to run RisingWave on my EC2 machine. ``` [ec2-user@ip-172-31-11-6 risingwave]$ ./risingwave ./risingwave: /lib64/libm.so.6: version `GLIBC_2.27' not found (required by ./risingwave) ./risingwave: /lib64/libm.so.6: version `GLIBC_2.29' not...

Tracking: Critical Stability Issues

1

This is a tracking issue for the critical bugs found during stress tests. They may either cause the system to crash or stuck, which are deadly threats to the production...

### Is your feature request related to a problem? Please describe. `SerializedKey` actually stores the unserialized `Row`. https://github.com/risingwavelabs/risingwave/blob/43c35eafed404fdbf6b780ac17ce5587778125ca/src/common/src/hash/key.rs#L166-L174 However, as part of the in-memory cached data, it should be serialized...

Optimize the memory usage of streaming operators

3

See details on https://risingwave-labs.slack.com/archives/C03U9AB2P45/p1661360900296829 Profile results: https://risingwave-labs.slack.com/files/U030TMLQ1LJ/F0409NBGQ56/2_run_1h30min.svg The memory used in streaming operators is: ``` - HashJoin - 2.4GB PK (Vec) - 1.5GB JoinRow (serialized) - 2.7GB B-Tree data structure...

bug: migrate from `from_proto_bytes` to value encoding (at least for struct/list)

1

`from_proto_bytes` is not well maintained and is majorly used to encode Literal data in proto, but our `List` and `Struct` data types use them as their value encoding, which may...

feature request: default visibility_mode as a system parameter

1

### Is your feature request related to a problem? Please describe. https://risingwave-community.slack.com/archives/C05U5NV4LHY/p1709036227434699 > Hi again, is it possible to set the visibility_mode runtime parameter to be “all” by default for...

CDC replication stopped in chaos-mesh (ch-benchmark-pg-cdc) test

4

### Describe the bug After the CN being killed and restarted, the CDC tables seems to lose sync with their upstream PG. ``` $ psql -h localhost -p 4567 -d...