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Enable tracing in simulation 

This will help test the flow of span IDs from the client all the way to
the storage servers.
This commit is contained in:
Lukas Joswiak 2022-10-28 15:58:51 -07:00
parent f7d1310d0d
commit 7d73d52a91
2 changed files with 8 additions and 2 deletions
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6
fdbclient/NativeAPI.actor.cpp
View File

@ -1577,6 +1577,12 @@ DatabaseContext::DatabaseContext(Reference<AsyncVar<Reference<IClusterConnection
smoothMidShardSize.reset(CLIENT_KNOBS->INIT_MID_SHARD_BYTES); smoothMidShardSize.reset(CLIENT_KNOBS->INIT_MID_SHARD_BYTES);
globalConfig = std::make_unique<GlobalConfig>(this); globalConfig = std::make_unique<GlobalConfig>(this);
if (g_network->isSimulated()) {
// Randomly trace transactions in simulation to enable testing of span
// ID propagation to the storage servers.
transactionTracingSample = deterministicRandom()->random01() < 0.01;
}
if (apiVersion.version() >= 700) { if (apiVersion.version() >= 700) {
registerSpecialKeysImpl(SpecialKeySpace::MODULE::ERRORMSG, registerSpecialKeysImpl(SpecialKeySpace::MODULE::ERRORMSG,
SpecialKeySpace::IMPLTYPE::READONLY, SpecialKeySpace::IMPLTYPE::READONLY,

4
flow/Knobs.cpp
View File

@ -86,8 +86,8 @@ void FlowKnobs::initialize(Randomize randomize, IsSimulated isSimulated) {
init( WRITE_TRACING_ENABLED, true ); if( randomize && BUGGIFY ) WRITE_TRACING_ENABLED = false; init( WRITE_TRACING_ENABLED, true ); if( randomize && BUGGIFY ) WRITE_TRACING_ENABLED = false;
init( TRACING_SPAN_ATTRIBUTES_ENABLED, false ); // Additional K/V and tenant data added to Span Attributes init( TRACING_SPAN_ATTRIBUTES_ENABLED, false ); // Additional K/V and tenant data added to Span Attributes
init( TRACING_SAMPLE_RATE, 0.0); // Fraction of distributed traces (not spans) to sample (0 means ignore all traces) init( TRACING_SAMPLE_RATE, 0.0 ); if (randomize && BUGGIFY) TRACING_SAMPLE_RATE = 0.01; // Fraction of distributed traces (not spans) to sample (0 means ignore all traces)
init( TRACING_UDP_LISTENER_ADDR, "127.0.0.1"); // Only applicable if TracerType is set to a network option init( TRACING_UDP_LISTENER_ADDR, "127.0.0.1" ); // Only applicable if TracerType is set to a network option
init( TRACING_UDP_LISTENER_PORT, 8889 ); // Only applicable if TracerType is set to a network option init( TRACING_UDP_LISTENER_PORT, 8889 ); // Only applicable if TracerType is set to a network option
//connectionMonitor //connectionMonitor