Hu Ming

Who is using Gravity?

5

Hi there To help us understand the community, we would like to know more who is using `Gravity`. Can you reply on this issue with your use case and company...

mognogdb, tidb kafka unique key sequence guarentee

2

when unique key chagnes, we should guarentee the event sequence

schema store

3

Initial design https://github.com/moiot/gravity/blob/master/docs/rfc_schema_storage.md we can consider use https://github.com/bytewatch/ddl-executor

Add a configuration for user to deal with auto-increment key when using bidirectional

1

When doing bi-directional replication. There will be conflict when the primary key is auto increment (generated by mysql).

[Question] epoch + 3 or epoch + 2?

5

Hi, I was studying the lecture on epoch based garbage collection, the lecture proves that when retire an object at epoch **E**, it is safe to free the object at...

Security Model

1

Hi, winterjs seems like an alternative to cloudflare worker. Is there any docs or description on the security model similar to this https://developers.cloudflare.com/workers/learning/security-model/ ?

Some thoughts on PageTxn#alloc_page's contention

5

Some thoughts on `PageTxn#alloc_page`'s contention. Right now, every `Table#put` is using `PageTxn#alloc_page`. And all of them eventually is using `WriteBuffer#alloc_size` which has a contention on `BufferState`. This design ends up...

some random thought on add RMW

1

I think it's useful to support RMW (Read Modify Write) for test purpose. The API could look like this: ```rust pub async fn rmw(&self, key: &[u8], lsn: u64, value: &[u8],...