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Isolation - #105
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brian-brazil wants to merge 11 commits into
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Appears this now has merge conflicts. Mind rebasing? |
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I'm currently doing some work to make the hot path of creating new series lock free. We are currently seeing rather heavy contention whenever new series are created (first startup, targets added/swapped, new head block created), which causes some notable drops in ingestion for larger servers. This basically requires isolation as well, so I currently have some pending work doing the same thing. I'm trying to avoid leaking this into our nicely simple APIs. Rebasing might be a bit of unnecessary work right now. |
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Superseded by #306 |
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The core part of prometheus/prometheus#1893
Initial prombench benchmarks indicate a ~5% cpu hit and ~11% RAM hit, which I consider reasonable for this feature. I haven't done any micro-optimisations.
There's some cleanup work to be done here still, but I figured it's best to get some initial review.