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Merge pull request #6979 from sfc-gh-jslocum/speedup_tail_latency 

Don't do huge tail latencies for network requests when speed up simul…
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Steve Atherton 2022-04-29 22:31:35 -07:00 committed by GitHub
parent b7bc0a3aff e5840d3a38
commit 1ab5c21967
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1 changed files with 1 additions and 1 deletions
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fdbrpc/sim2.actor.cpp
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@ -171,7 +171,7 @@ private:
double halfLatency() const { double halfLatency() const {
double a = deterministicRandom()->random01(); double a = deterministicRandom()->random01();
const double pFast = 0.999; const double pFast = 0.999;
if (a <= pFast) { if (a <= pFast || g_simulator.speedUpSimulation) {
a = a / pFast; a = a / pFast;
return 0.5 * (FLOW_KNOBS->MIN_NETWORK_LATENCY * (1 - a) + return 0.5 * (FLOW_KNOBS->MIN_NETWORK_LATENCY * (1 - a) +
FLOW_KNOBS->FAST_NETWORK_LATENCY / pFast * a); // 0.5ms average FLOW_KNOBS->FAST_NETWORK_LATENCY / pFast * a); // 0.5ms average