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docs(readme): add Troubleshooting section#34

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gordonmurray merged 1 commit into
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docs/readme-troubleshooting
Apr 15, 2026
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docs(readme): add Troubleshooting section#34
gordonmurray merged 1 commit into
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docs/readme-troubleshooting

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@gordonmurray gordonmurray commented Apr 15, 2026

Captures the three most common failure modes users will hit, with the concrete fix for each, so the answer to "how do I…?" doesn't need a round-trip through GitHub issues:

  • Delete manifests (400) — lists the compact commands for Spark / Trino / Iceberg CLI.
  • Connection test failed (400) — four likely causes in rough order of frequency (wrong path → missing IAM → wrong region → wrong endpoint), each with a one-liner fix.
  • Slow queries — file count (from the new probe panel), partition pruning, cold-extension warmup.
  • SQL validator rejections — one line explaining Cloudfloe is read-only by design.

Also tweaks the Test Connection blurb to mention the format / rows / files / snapshot info the Connection panel now surfaces after PR #28.

Covers the three most common 400s users will hit — delete manifests,
connection test failure (with the four likely causes in order of how
often they turn up), the "query is slow" triage flow, and the
read-only SQL guard — with the concrete fix for each.

Also updates the Test Connection blurb to mention the format, row
count, file count, and snapshot age the panel now shows (from PR #28).

File stays at 277 lines — well under the ~500-line split threshold.
@gordonmurray gordonmurray merged commit b2cbc65 into main Apr 15, 2026
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@gordonmurray gordonmurray deleted the docs/readme-troubleshooting branch April 15, 2026 19:31
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