materialize

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Before platform, select's against pg sources had to wait until the snapshot is finished. Currently, select's now instantly return empty. This is a sub-optimal UX, and forces us to deal...

guswynn

persist: assertion failure in compaction

2

### What version of Materialize are you using? v0.27.0-alpha.18 ### How did you install Materialize? Materialize Cloud ### What is the issue? ``` thread 'tokio-runtime-worker' panicked at 'assertion failed: self.len()...

danhhz

persist: panic when accessing a reader that does not exist

6

### What version of Materialize are you using? v0.27.0-alpha.3 ### How did you install Materialize? Materialize Cloud ### What is the issue? Brennan found a reproducible error on his cloud...

pH14

persist: thousands of blobs in environments left over the weekend

8

These were running v0.27.0-alpha.3 (I think) and so should have had the gc work that merged on monday last week.

danhhz

Looking at some recent runs, the long path is: - ~20 mins to build x86_64 - ~20 mins to run 2/4 testdrive shards. Every other job seems to take ~10...

cjubb39

replica isolation: multiple replicas cause degradation in performance of SELECT statements due to conflicts in Postgres

13

### What version of Materialize are you using? v0.26.1-dev (df970e97b) ### How did you install Materialize? Built from source ### What is the issue? The presence of multiple replicas causes...

philip-stoev

This basically is everything that we need to close the #13139 epic. ### Motivation The optimizer team (and in the future other orgs, such as field engineering and customer support)...

aalexandrov

sql: add MzTimestamp type and mz_now function

3

Add a new SQL type `MzTimestamp` that is the output of `mz_now()`, which was renamed from `mz_logical_timestamp()`. This type is castable from many types, but not castable to anything except...

maddyblue

We need to do some tech debt clean up of `FROM SCHEMA FILE` which has been gated behind unsafe mode (see https://github.com/MaterializeInc/materialize/pull/13703) but has some internal tests which rely on...

nmeagan11

System tables: add flag to differentiate between stable and unstable system tables

2

### Feature request Split out system tables to into ones that are stable and can be used in views (aka stored in catalog) vs ones that are unstable and can...

chaas