pgrust: update to v0.4-preview

[malisper]

New version of pgrust. Updated scripts and results for c6a.4xlarge and c8g.4xlarge.

We are going to be releasing the source code in the next few weeks.

🤖 Generated with Claude Code

[CLAassistant]

All committers have signed the CLA.

[alexey-milovidov]

Please sign a CLA.

[malisper]

@alexey-milovidov Done

[github-actions]

The run of pgrust on c6a.2xlarge did not produce results.
The run of pgrust on c6a.4xlarge did not produce results.
The run of pgrust on c6a.large did not produce results.
The run of pgrust on c6a.metal did not produce results.
The run of pgrust on c6a.xlarge did not produce results.
The run of pgrust on c7a.metal-48xl did not produce results.
The run of pgrust on c8g.4xlarge did not produce results.
The run of pgrust on c8g.metal-48xl did not produce results.
The run of pgrust on t3a.small did not produce results.

Logs:

• pgrust on c6a.large: benchmark log, cloud-init log
• pgrust on c6a.xlarge: benchmark log, cloud-init log
• pgrust on c6a.2xlarge: benchmark log, cloud-init log
• pgrust on c6a.4xlarge: benchmark log, cloud-init log
• pgrust on c8g.4xlarge: benchmark log, cloud-init log
• pgrust on c8g.metal-48xl: benchmark log, cloud-init log
• pgrust on c6a.metal: benchmark log, cloud-init log
• pgrust on t3a.small: benchmark log, cloud-init log
• pgrust on c7a.metal-48xl: benchmark log, cloud-init log

[malisper]

@alexey-milovidov just fixed the issue

[github-actions]

Results for pgrust are ready for: c6a.2xlarge, c6a.4xlarge, c6a.metal, c7a.metal-48xl, c8g.4xlarge, c8g.metal-48xl.
The result files are committed as 89cc76e.
Removed manually added result files: pgrust/results/20260919/c6a.4xlarge.json, pgrust/results/20260919/c8g.4xlarge.json.

Logs:

• pgrust on c8g.metal-48xl: benchmark log, cloud-init log
• pgrust on c7a.metal-48xl: benchmark log, cloud-init log
• pgrust on c8g.4xlarge: benchmark log, cloud-init log
• pgrust on c6a.metal: benchmark log, cloud-init log
• pgrust on c6a.4xlarge: benchmark log, cloud-init log
• pgrust on c6a.2xlarge: benchmark log, cloud-init log

[github-actions]

Results for pgrust are ready for: c6a.xlarge.
The result files are committed as 3cc089c.

Logs:

• pgrust on c6a.xlarge: benchmark log, cloud-init log

[github-actions]

Results for pgrust are ready for: c6a.large.
The result files are committed as 8f8432a.

Logs:

• pgrust on c6a.large: benchmark log, cloud-init log

[alexey-milovidov]

I can't find the source code for 0.4: https://github.com/malisper/pgrust/
If there is no source code, we have to mark it "proprietary".

[malisper]

That's fine - we're cleaning things up and will release the code in the next few weeks

[github-actions]

Results for pgrust are ready for: t3a.small.
This pull request is from a fork, so the automation cannot push to it; save this result as pgrust/results/20260922/t3a.small.json.
Tick "Allow edits by maintainers" on the pull request to let the automation commit the results itself.

Logs:

• pgrust on t3a.small: benchmark log, cloud-init log