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Reduce ingester gRPC max concurrent streams to 10,000 #355
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This limit governs the number of server calls that gRPC will run in parallel. Beyond this limit, requests will queue in the caller. While parallelism helps to improve throughput, it is unrealistic that 100,000 operations would be able to proceed at once, considering typical CPU core counts, locking, etc. Even 10,000 is probably too high, but changing the limit by more than one order of magnitude also seemed rash. Signed-off-by: Bryan Boreham <[email protected]>
aknuds1
approved these changes
Jul 7, 2021
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Don't merge yet - want to try it out first. |
bboreham
changed the title
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This change was incorporated in #369. |
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What this PR does:
Reduce the limit which governs the number of server calls that gRPC will run in parallel. Beyond this limit, requests will queue in the caller.
While parallelism helps to improve throughput, it is unrealistic that 100,000 operations would be able to proceed at once, considering typical CPU core counts, locking, etc.
Even 10,000 is probably too high, but changing the limit by more than one order of magnitude also seemed rash.
Checklist
CHANGELOG.mdupdated