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                                            c-bata

Reduce `SELECT` statements of `_CachedStorage.get_all_trials` by fixing filtering conditions

I assigned @porink0424 as an additional reviewer, considering his recent contributions to RDBStorage. I'll proceed with reviewing the changes after @porink0424 has approved this PR.

Reduce `SELECT` statements of `_CachedStorage.get_all_trials` by fixing filtering conditions

I executed a micro-benchmark and confirmed that this PR makes `study.optimize()` significantly faster especially for the study with lots of trials. ### Benchmark Script ```python import optuna import time import...

Refactor `tell_with_warning` to avoid unnecessary `get_trial` call

@kAIto47802 Could you review this PR?

Improve error messages when given an empty database object

Thank you for your report. It is actually an intended behavior, not a bug. Do you think we should improve error messages?

Improve error messages when given an empty database object

Refs https://github.com/optuna/optuna-dashboard/issues/263

Improve error messages when given an empty database object

I see. Thank you for your opinion. Let me change the issue title and remove the bug label. > Is there a optuna command to only initialize the storage without...

Scatter plot of ranks as a more readable contour plot

@contramundum53 Cool! We welcome your contribution 👍

46k trials cannot be displayed

Thank you for using Optuna Dashboard! Optuna Dashboard currently does not support over 10,000 trials. However, we have received similar reports, so I will try to work on it 👍...

46k trials cannot be displayed

@tommiekerssies @Uriopass @nurettin We've just released Optuna Dashboard v0.10.3, which includes changes that significantly improves the performance. Could you please try it out and share your feedback? 🙏

x-ticklabel disappers when we use the light color mode

I confirmed that this bug was fixed. Thank you for your report.