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System limits enforcement and alerting #514

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longquanzheng opened this issue Dec 8, 2024 · 0 comments
Open

System limits enforcement and alerting #514

longquanzheng opened this issue Dec 8, 2024 · 0 comments

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@longquanzheng
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longquanzheng commented Dec 8, 2024 •
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Context

iWF is backed by Cadence/Temporal which has limits per workflow execution:

  • Blob size limit: 2MB
  • history event limit: 4MB
  • Total history size limit: 50MB
    Input/output size

AC

Reject requests if

  • Start workflow, signal/ workflow, or RPC internal channel message are exceeding 100KB
  • Upsert data attribute is exceeding 100KB from activity

Emit an event for logging and metrics when

  • Any request or message is reach 80% of the above rejection threshold
  • Total history size is greater than 1MB (based on temporal sdk value)
@longquanzheng longquanzheng changed the title Set system limits by config System limits enforcement and alerting Dec 9, 2024
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