Files
MaxScale/maxscale-system-test/mxs1926_killed_server.cpp
Markus Mäkelä 8a526bf84f MXS-1926: Add test case
Added a test case that reproduces the problem and verifies that it is
solved.
2018-06-21 15:12:12 +03:00

107 lines
2.9 KiB
C++

/**
* MXS-1926: LOAD DATA LOCAL INFILE interrupted by server shutdown
*
* https://jira.mariadb.org/browse/MXS-1926
*/
#include "testconnections.h"
#include <stdlib.h>
#include <thread>
#include <fstream>
#include <chrono>
#include <atomic>
using namespace std::chrono;
typedef high_resolution_clock Clock;
std::atomic<int> ROWCOUNT{10000};
std::string create_tmpfile()
{
char filename[] = "/tmp/data.csv.XXXXXX";
int fd = mkstemp(filename);
std::ofstream file(filename);
close(fd);
for (int i = 0; i < ROWCOUNT; i++)
{
file << "1, 2, 3, 4\n";
}
return filename;
}
void tune_rowcount(TestConnections& test)
{
milliseconds dur{1};
test.tprintf("Tuning data size so that an insert takes 10 seconds");
test.maxscales->connect();
test.try_query(test.maxscales->conn_rwsplit[0], "SET sql_log_bin=0");
while (dur < seconds(10))
{
std::string filename = create_tmpfile();
auto start = Clock::now();
test.try_query(test.maxscales->conn_rwsplit[0], "LOAD DATA LOCAL INFILE '%s' INTO TABLE test.t1",
filename.c_str());
auto end = Clock::now();
dur = duration_cast<milliseconds>(end - start);
test.try_query(test.maxscales->conn_rwsplit[0], "TRUNCATE TABLE test.t1", filename.c_str());
remove(filename.c_str());
int orig = ROWCOUNT;
ROWCOUNT = orig / dur.count() * 10000;
test.tprintf("Loading %d rows took %d ms, setting row count to %d",
orig, dur.count(), ROWCOUNT.load());
}
test.maxscales->disconnect();
}
int main(int argc, char** argv)
{
TestConnections test(argc, argv);
test.repl->connect();
// Create the table
execute_query(test.repl->nodes[0], "CREATE OR REPLACE TABLE test.t1 (a INT, b INT, c INT, d INT)");
test.repl->sync_slaves();
// Tune the amount of data so that the loading will take approximately 15 seconds
tune_rowcount(test);
std::string filename = create_tmpfile();
// Connect to MaxScale and load enough data so that we have
test.maxscales->connect();
// Disable replication of the LOAD DATA LOCAL INFILE
test.try_query(test.maxscales->conn_rwsplit[0], "SET sql_log_bin=0");
test.tprintf("Loading %d rows of data while stopping a slave", ROWCOUNT.load());
std::thread thr([&]()
{
std::this_thread::sleep_for(milliseconds(10));
test.repl->stop_node(3);
test.repl->start_node(3);
});
test.try_query(test.maxscales->conn_rwsplit[0], "LOAD DATA LOCAL INFILE '%s' INTO TABLE test.t1",
filename.c_str());
test.tprintf("Load complete");
thr.join();
test.maxscales->disconnect();
// Cleanup
execute_query(test.repl->nodes[0], "DROP TABLE test.t1");
test.repl->sync_slaves();
test.repl->disconnect();
remove(filename.c_str());
return test.global_result;
}