Saved run
CP-RC-343D36BB
An unbounded image metadata cache introduced a memory leak in checkout-api v2.4.1.
The checkout API outage was definitively caused by the unbounded memory cache leak in version 2.4.1, supported by deployment timing, version scoping, cache behavior, and OOM restarts.
Measured in this experiment. No statistical significance is claimed.
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Finished analysis
The checkout API outage was definitively caused by the unbounded memory cache leak in version 2.4.1, supported by deployment timing, version scoping, cache behavior, and OOM restarts.
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Validating the hypothesis that RC_MEMORY_CACHE_LEAK_V241 is the primary root cause based on OOM kills and version-scoped memory growth.
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Started live reaction
Reacted to hypothesis's CP-RC-343D36BB-evt-041
Started live reaction
Reacted to hypothesis's CP-RC-343D36BB-evt-041
Finished analysis
Revised hypothesis incorporating new public findings confirming the unbounded memory cache leak in checkout-api v2.4.1 as the primary root cause.
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Attacking the alternative hypotheses; database latency, payment provider disturbance, and traffic volume cannot be primary causes as their anomalies either preceded, remained stable, or were minor relative to the actual OOM and GC pressure.
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Reacted to evidence's CP-RC-343D36BB-evt-028
Finished analysis
Evidence establishes that the memory leak in checkout-api v2.4.1 caused by the unbounded cache is the primary root cause.
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Finished analysis
The checkout API outage was caused by an unbounded memory leak introduced in version 2.4.1, leading to continuous heap growth and subsequent OOM restarts.
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Finished analysis
The checkout API outage was caused by an unbounded memory cache leak introduced in version 2.4.1, leading to severe GC pressure, OOM kills, and pod restarts.
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