Proposal for distributed query execution #6789
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Signed-off-by: 🌲 Harry 🌊 John 🏔 <johrry@amazon.com>
yeya24
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yeya24
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alanprot
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alanprot
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Jun 4, 2025
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This looks great! I cannot wait to see it working! :D:D:D |
Signed-off-by: 🌲 Harry 🌊 John 🏔 <johrry@amazon.com>
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yeya24
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| #### Co-ordinated Execution | ||
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| The querier assigned the **root fragment** also plays the role of **coordinator**. The co-ordinator will |
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The root querier will call Series and Next to the child querier. Those requests will also specify the logical plan ID or some sort of request ID so the child querier finds out the actual plan?
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Good point. Yes, we need to refer fragments by ID.
yeya24
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CharlieTLe
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Jun 19, 2025
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| #### Inefficient Merging | ||
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| Merging results in the query-frontend—which isn’t shuffle-sharded — makes it a single point of failure. Poison queries can OOM all query-frontends, impacting availability. |
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Could we define what "poison queries" are?
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What this PR does:
Submits a proposal for distributed query execution in Cortex using Thanos PromQL engine.
Which issue(s) this PR fixes:
Fixes #
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]