Files
mongo/jstests/core/currentop.js

34 lines
1.1 KiB
JavaScript

/**
* Tests that long-running operations show up in currentOp and report the locks they are holding.
*/
(function() {
"use strict";
const coll = db.jstests_currentop;
coll.drop();
// We fsync+lock the server to cause all subsequent write operations to block.
assert.commandWorked(db.fsyncLock());
const awaitInsertShell = startParallelShell(function() {
assert.writeOK(db.jstests_currentop.insert({}));
});
// Wait until the write appears in the currentOp output reporting that it is waiting for a lock.
assert.soon(
function() {
return db.currentOp({
ns: coll.getFullName(),
"locks.Global": "w",
"waitingForLock": true,
}).inprog.length === 1;
},
function() {
return "Failed to find blocked insert in currentOp() output: " + tojson(db.currentOp());
});
// Unlock the server and make sure the write finishes.
const fsyncResponse = assert.commandWorked(db.fsyncUnlock());
assert.eq(fsyncResponse.lockCount, 0);
awaitInsertShell();
}());