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feat: introduce transaction statistics in the info output (#2328)

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1. How many transactions we processed by type
2. How many transactions we processed by width (number of unique shards).

Signed-off-by: Roman Gershman <roman@dragonflydb.io>
This commit is contained in:
Roman Gershman 2023-12-23 13:18:49 +02:00 • committed by GitHub
parent 1376295799
commit bbe3d9303b
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GPG key ID: 4AEE18F83AFDEB23
14 changed files with 179 additions and 82 deletions
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15
src/server/test_utils.cc
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@ -82,7 +82,7 @@ std::string TestConnection::RemoteEndpointStr() const {
}
void TransactionSuspension::Start() {
CommandId cid{"TEST", CO::WRITE | CO::GLOBAL_TRANS, -1, 0, 0, acl::NONE};
static CommandId cid{"TEST", CO::WRITE | CO::GLOBAL_TRANS, -1, 0, 0, acl::NONE};
transaction_ = new dfly::Transaction{&cid};
@ -317,6 +317,14 @@ unsigned BaseFamilyTest::NumLocked() {
return count;
}
void BaseFamilyTest::ClearMetrics() {
shard_set->pool()->Await([](auto*) {
ServerState::Stats stats;
stats.tx_width_freq_arr = new uint64_t[shard_set->size()];
ServerState::tlocal()->stats = std::move(stats);
});
}
void BaseFamilyTest::WaitUntilLocked(DbIndex db_index, string_view key, double timeout) {
auto step = 50us;
auto timeout_micro = chrono::duration_cast<chrono::microseconds>(1000ms * timeout);
@ -659,8 +667,9 @@ void BaseFamilyTest::ExpectConditionWithinTimeout(const std::function<bool()>& c
Fiber BaseFamilyTest::ExpectConditionWithSuspension(const std::function<bool()>& condition) {
TransactionSuspension tx;
tx.Start();
auto fb = pp_->at(0)->LaunchFiber([condition, tx = std::move(tx)]() mutable {
pp_->at(0)->Await([&] { tx.Start(); });
auto fb = pp_->at(0)->LaunchFiber(Launch::dispatch, [condition, tx = std::move(tx)]() mutable {
ExpectConditionWithinTimeout(condition);
tx.Terminate();
});