memgraph/tests/concurrent/sl_insert_competetive.cpp
florijan b2f3dc1916 Available memory logging, utils/sysinfo/memory cleanup, tests/concurrent cleanup.
Summary:
Added a warning to the log. Every 3 seconds (let's not make that configurable). Can be turned off.

I still don't like this. We are raising another thread and reading a file to do monitoring. We're developing a DB, not a sys monitor. Serious admins do that themselves. But, here it is.

UPDATE:
Cleaned up `utils/sysinfo/memory`. Removed all unused functions. Removed the faulty memory check in `tests/concurrent`.

Reviewers: buda, mferencevic, mislav.bradac

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D819
2017-09-22 16:06:30 +02:00

41 lines
1.2 KiB
C++

#include "common.hpp"
constexpr size_t THREADS_NO = std::min(max_no_threads, 8);
constexpr size_t elems_per_thread = 100000;
// TODO: document the test
// This test checks insert_unique method under pressure.
// Threads will try to insert keys in the same order.
// This will force threads to compete intensly with each other.
// Test checks for missing data and changed/overwriten data.
int main(int argc, char **argv) {
google::InitGoogleLogging(argv[0]);
map_t skiplist;
auto futures =
run<std::vector<size_t>>(THREADS_NO, skiplist, [](auto acc, auto index) {
long long downcount = elems_per_thread;
std::vector<size_t> owned;
auto inserter =
insert_try<size_t, size_t, map_t>(acc, downcount, owned);
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wfor-loop-analysis"
for (int i = 0; downcount > 0; i++) {
inserter(i, index);
}
#pragma GCC diagnostic pop
check_present_same<map_t>(acc, index, owned);
return owned;
});
auto accessor = skiplist.access();
for (auto &owned : collect(futures)) {
check_present_same<map_t>(accessor, owned);
}
check_size<map_t>(accessor, THREADS_NO * elems_per_thread);
check_order<map_t>(accessor);
}