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'use strict';
/**
* update_and_bulk_insert.js
*
* Each thread alternates between inserting 100 documents and updating every document in the
* collection.
*
* This workload was designed to test for an issue similar to SERVER-20512 with UpdateStage, where
* we attempted to make a copy of a record after a WriteConflictException occurred in
* Collection::updateDocument().
*/
var $config = (function() {
var states = {
insert: function insert(db, collName) {
var bulk = db[collName].initializeUnorderedBulkOp();
for (var i = 0; i < 100; ++i) {
bulk.insert({});
}
assert.writeOK(bulk.execute());
},
update: function update(db, collName) {
var res = db[collName].update({}, {$inc: {n: 1}}, {multi: true});
assertAlways.lte(0, res.nMatched, tojson(res));
if (db.getMongo().writeMode() === 'commands') {
assertAlways.eq(res.nMatched, res.nModified, tojson(res));
}
assertAlways.eq(0, res.nUpserted, tojson(res));
}
};
var transitions = {
insert: {insert: 0.2, update: 0.8},
update: {insert: 0.2, update: 0.8}
};
return {
threadCount: 5,
iterations: 50,
startState: 'insert',
states: states,
transitions: transitions
};
})();
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