Skip to content

test: adding some debug logs to diagnose hang #6875

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
alyssawilk merged 4 commits into from
May 16, 2019
Merged

test: adding some debug logs to diagnose hang #6875

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
4e2fb42
test: adding some debug logs
alyssawilk May 9, 2019
010cbd6
Merge branch 'master' into hang
alyssawilk May 13, 2019
ce263d2
review comments
alyssawilk May 13, 2019
5e26c38
more logs
alyssawilk May 13, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 10 additions & 1 deletion test/integration/load_stats_integration_test.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -460,16 +460,23 @@ TEST_P(LoadStatsIntegrationTest, LocalityWeighted) {
locality_weighted_lb_ = true;
initialize();

// Debug logs for #6874
std::cerr << "Waiting for load stats stream." << std::endl;
waitForLoadStatsStream();
std::cerr << "Waiting for load stats request." << std::endl;
waitForLoadStatsRequest({});
loadstats_stream_->startGrpcStream();

std::cerr << "Done waiting." << std::endl;
loadstats_stream_->startGrpcStream();
std::cerr << "Starting response." << std::endl;
requestLoadStatsResponse({"cluster_0"});
std::cerr << "Updating assignments." << std::endl;

// Simple 33%/67% split between dragon/winter localities.
// Even though there are more endpoints in the dragon locality, the winter locality gets the
// expected weighting in the WRR locality schedule.
updateClusterLoadAssignment({{0}, 2}, {{1, 2}, 1}, {}, {});
std::cerr << "Sending traffic." << std::endl;

sendAndReceiveUpstream(0);
sendAndReceiveUpstream(1);
Expand All @@ -479,8 +486,10 @@ TEST_P(LoadStatsIntegrationTest, LocalityWeighted) {
sendAndReceiveUpstream(0);

// Verify we get the expect request distribution.
std::cerr << "Waiting for load stats request 2." << std::endl;
waitForLoadStatsRequest(
{localityStats("winter", 4, 0, 0, 4), localityStats("dragon", 2, 0, 0, 2)});
std::cerr << "Done waiting." << std::endl;

EXPECT_EQ(1, test_server_->counter("load_reporter.requests")->value());
// On slow machines, more than one load stats response may be pushed while we are simulating load.
Expand Down