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CrateDB (tuned): optimize table to have 1 segment per shard - #2730

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alexey-milovidov merged 4 commits into
ClickHouse:mainfrom
hariso:hariso/cratedb/tune-queries
Oct 25, 2026
Merged

alexey-milovidov merged 4 commits into
ClickHouse:mainfrom
hariso:hariso/cratedb/tune-queries

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@hariso

@hariso hariso commented Oct 21, 2026

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The tuned version of CrateDB performs better if the number of segments is set to 1. Having the REFRESH after helps CrateDB see the most recent changes in segments right away.

@hariso

hariso commented Oct 21, 2026

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FYI @matriv

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CLAassistant commented Oct 21, 2026 •

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CLA assistant check
All committers have signed the CLA.

@hariso
hariso force-pushed the hariso/cratedb/tune-queries branch from 5194145 to ae4a2a5 Compare October 21, 2026 15:39
@alexey-milovidov alexey-milovidov added the machine:all PR benchmark on every machine type label Oct 25, 2026
@alexey-milovidov
alexey-milovidov deployed to benchmark-approval October 25, 2026 12:52 — with GitHub Actions Active
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Results for cratedb are ready for: c6a.metal, c7a.metal-48xl, c8g.metal-48xl.
The result files are committed as c849782.
Preview of the benchmark page with these results · Comparison with the previous results

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Results for cratedb are ready for: c6a.4xlarge.
The result files are committed as ad81afe.
Preview of the benchmark page with these results · Comparison with the previous results

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Results for cratedb are ready for: c6a.2xlarge.
The result files are committed as 35bfbdb.
Preview of the benchmark page with these results · Comparison with the previous results

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@alexey-milovidov
alexey-milovidov merged commit 4df6236 into ClickHouse:main Oct 25, 2026
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Results for cratedb are ready for: c8g.4xlarge.
This pull request is from a fork, so the automation cannot push to it; save this result as cratedb/results/20261025/c8g.4xlarge.json.
Tick "Allow edits by maintainers" on the pull request to let the automation commit the results itself.
The run of cratedb on c6a.large did not produce results.
The run of cratedb on c6a.xlarge did not produce results.
The run of cratedb on t3a.small did not produce results.

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This branch is waiting to be deployed

1 waiting deployment
benchmark-approval — 35bfbdb8 Waiting Oct 25, 2026 by robot-clickhouse via launch #900
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4 participants