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'use strict';
/**
* remove_and_bulk_insert.js
*
* Each thread alternates between inserting 1000 documents and deleting the entire contents of the
* collection.
*
* This workload was designed to reproduce SERVER-20512, where a record in an evicted page was
* accessed after a WriteConflictException occurred in Collection::deleteDocument().
*/
var $config = (function() {
var states = {
insert: function insert(db, collName) {
var bulk = db[collName].initializeUnorderedBulkOp();
for (var i = 0; i < 1000; ++i) {
bulk.insert({});
}
assert.writeOK(bulk.execute());
},
remove: function remove(db, collName) {
var res = db[collName].remove({});
assertAlways.lte(0, res.nRemoved, tojson(res));
}
};
var transitions = {
insert: { insert: 0.5, remove: 0.5 },
remove: { insert: 0.5, remove: 0.5 }
};
return {
threadCount: 5,
iterations: 50,
startState: 'insert',
states: states,
transitions: transitions
};
})();
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