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// tests getlog as well as slow querying logging
//
// @tags: [
// # This test attempts to perform a find command and see that it ran using the getLog command.
// # The former operation may be routed to a secondary in the replica set, whereas the latter must
// # be routed to the primary.
// assumes_read_preference_unchanged,
// ]
glcol = db.getLogTest2;
glcol.drop();
contains = function(arr, func) {
var i = arr.length;
while (i--) {
if (func(arr[i])) {
return true;
}
}
return false;
};
// test doesn't work when talking to mongos
if (db.isMaster().msg != "isdbgrid") {
// run a slow query
glcol.save({"SENTINEL": 1});
glcol.findOne({
"SENTINEL": 1,
"$where": function() {
sleep(1000);
return true;
}
});
// run a slow update
glcol.update(
{
"SENTINEL": 1,
"$where": function() {
sleep(1000);
return true;
}
},
{"x": "x"});
var resp = db.adminCommand({getLog: "global"});
assert(resp.ok == 1, "error executing getLog command");
assert(resp.log, "no log field");
assert(resp.log.length > 0, "no log lines");
// ensure that slow query is logged in detail
assert(contains(resp.log,
function(v) {
print(v);
var opString = db.getMongo().useReadCommands() ? " find " : " query ";
var filterString = db.getMongo().useReadCommands() ? "filter:" : "query:";
return v.indexOf(opString) != -1 && v.indexOf(filterString) != -1 &&
v.indexOf("keysExamined:") != -1 && v.indexOf("docsExamined:") != -1 &&
v.indexOf("SENTINEL") != -1;
}));
// same, but for update
assert(contains(resp.log,
function(v) {
return v.indexOf(" update ") != -1 && v.indexOf("query") != -1 &&
v.indexOf("keysExamined:") != -1 && v.indexOf("docsExamined:") != -1 &&
v.indexOf("SENTINEL") != -1;
}));
}
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