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/**
* Test that the 'rollbackTimeLimitSecs' server parameter can be set both on startup and at runtime,
* and that we only accept positive numbers as values for it. This number represents the maximum
* allowed timespan of the rollback period, which is calculated using the wall clock times of oplog
* entries.
*/
(function() {
"use strict";
const testName = "rollback_time_limit_param";
// Make sure that we reject non-positive values for this parameter set on startup.
let rstWithBadStartupOptions = new ReplSetTest(
{name: testName, nodes: 1, nodeOptions: {setParameter: "rollbackTimeLimitSecs=-50"}});
assert.throws(function() {
rstWithBadStartupOptions.startSet();
});
assert(rawMongoProgramOutput().match("Bad value for parameter \"rollbackTimeLimitSecs\""),
"failed to reject bad value for parameter");
// Now initialize the same parameter correctly on startup.
let rst = new ReplSetTest(
{name: testName, nodes: 1, nodeOptions: {setParameter: "rollbackTimeLimitSecs=1000"}});
rst.startSet();
rst.initiate();
let primary = rst.getPrimary();
// Check that the value of 'rollbackTimeLimitSecs' was initialized correctly on startup.
let valueSetOnStartup =
assert.commandWorked(primary.adminCommand({getParameter: 1, rollbackTimeLimitSecs: 1}))
.rollbackTimeLimitSecs;
assert.eq(NumberLong(1000), valueSetOnStartup);
// Check that the value of 'rollbackTimeLimitSecs' was set correctly at runtime.
assert.commandWorked(primary.adminCommand({setParameter: 1, rollbackTimeLimitSecs: 2000}));
let valueSetAtRuntime =
assert.commandWorked(primary.adminCommand({getParameter: 1, rollbackTimeLimitSecs: 1}))
.rollbackTimeLimitSecs;
assert.eq(NumberLong(2000), valueSetAtRuntime);
// Make sure that we reject non-positive values for this parameter set at runtime.
assert.commandFailedWithCode(primary.adminCommand({setParameter: 1, rollbackTimeLimitSecs: -5}),
ErrorCodes.BadValue);
assert.commandFailedWithCode(primary.adminCommand({setParameter: 1, rollbackTimeLimitSecs: 0}),
ErrorCodes.BadValue);
rst.stopSet();
})();
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