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/**
* This test is only for the WiredTiger storageEngine
* Test nojournal option with wiredTiger replset. This test will fail with mmap because
* unclean shutdowns are not safe. If running without a journal, WT starts up from last
* valid checkpoint, so should recover.
*
* Start a set.
* Insert data into collection foo
* fsync secondary member 1
* Kill -9 secondary member 1
* Add some more data in a new collection.
* Restart member 1.
* Check that it syncs from the last checkpoint and data is there.
*/
// used to parse RAM log file
var contains = function(logLines, func) {
var i = logLines.length;
while (i--) {
printjson(logLines[i]);
if (func(logLines[i])) {
return true;
}
}
return false;
};
// This test can only be run if the storageEngine is wiredTiger
if (jsTest.options().storageEngine && jsTest.options().storageEngine !== "wiredTiger") {
jsTestLog("Skipping test because storageEngine is not wiredTiger");
} else {
var name = "wt_nojournal_repl";
var replTest = new ReplSetTest({
name: name,
nodes: 3,
oplogSize: 2,
nodeOptions: {
nojournal: "",
storageEngine: "wiredTiger",
}
});
var nodes = replTest.startSet();
// make sure node 0 becomes primary initially
var config = replTest.getReplSetConfig();
config.members[1].priority = 0;
config.members[2].priority = 0;
replTest.initiate(config);
var masterDB = replTest.getPrimary().getDB("test");
var secondary1 = replTest.liveNodes.slaves[0];
jsTestLog("add some data to collection foo");
for (var i = 0; i < 100; i++) {
masterDB.foo.insert({x: i});
}
replTest.awaitReplication();
assert.eq(secondary1.getDB("test").foo.count(), 100);
jsTestLog("run fsync on the secondary to ensure it remains after restart");
assert.commandWorked(secondary1.getDB("admin").runCommand({fsync: 1}));
jsTestLog("kill -9 secondary 1");
MongoRunner.stopMongod(secondary1.port, /*signal*/ 9);
jsTestLog("add some data to a new collection bar");
for (var i = 0; i < 100; i++) {
masterDB.bar.insert({x: i});
}
jsTestLog("restart secondary 1 and let it catch up");
secondary1 = replTest.restart(1);
replTest.awaitReplication();
// Test that the restarted secondary did NOT do an initial sync by checking the log
var res = secondary1.adminCommand({getLog: "global"});
assert(!contains(res.log, function(v) {
return v.indexOf("initial sync") != -1;
}));
jsTestLog("check data is in both collections");
assert.eq(secondary1.getDB("test").foo.count(), 100);
assert.eq(secondary1.getDB("test").bar.count(), 100);
jsTestLog("Success!");
replTest.stopSet();
}
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