Alexey Kudinkin

[MINOR] Fixing flaky test by drastically reducing concurrency level (to avoid CI flakiness)

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### Change Logs Fixing flaky test by drastically reducing concurrency level (to avoid CI flakiness) ### Impact **Risk level: None ### Contributor's checklist - [ ] Read through [contributor's guide](https://hudi.apache.org/contribute/how-to-contribute)...

### Change Logs TBA ### Impact _Describe any public API or user-facing feature change or any performance impact._ **Risk level: none | low | medium | high** _Choose one. If...

## Why are these changes needed? Currently, `Metric` implementation requires you to specify `tag_keys` of the tags that have to be recorded. However it also does NOT allow you to...

### What happened + What you expected to happen Specifying `--tracing-startup-hook` seem to break our application w/ a following exception (`stream` is our actor's method): ``` TypeError: stream() got an...

[Jobs] Revisit Ray Job execution and monitoring

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## Why are these changes needed? Context --- Motivations for this refactoring are multiple: - Consolidating all of the job management in one place (JobSupervisor; previously spread b/w JobManager and...

Currently, library makes it look as if it can support arbitrary concurrency levels, but in reality it actually doesn't: - Each actor require 1 CPU (ie number of actual concurrent...

> NOTE: Stacked on top of https://github.com/ray-project/ray/pull/45120 This is a follow-up for https://github.com/ray-project/ray/pull/45120 ## Related issue number ## Checks - [ ] I've signed off every commit(by using the -s...

[gRPC] Fixing gRPC Server Call to be instantiated immediately for unbounded handlers

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## Why are these changes needed? This change makes sure that for unbounded RPCs (like KV-handlers, etc) we're re-creating `ServerCall` inside CQ polling thread instead of `HandleRequestImpl` invoked on main...

## Why are these changes needed? Currently, min/max parallelism isn't actually being enforced correctly -- for large enough clusters we will be scaling out too aggressively purely based on the...