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// test for SERVER-5013
// make sure very long long lines get truncated
(function() {
"use strict";
const options = {setParameter: "maxLogSizeKB=9"};
const conn = MongoRunner.runMongod(options);
var db = conn.getDB('db');
var res = db.adminCommand({getParameter: 1, maxLogSizeKB: 1});
assert.eq(9, res.maxLogSizeKB);
var t = db.loglong;
t.drop();
t.insert({x: 1});
var n = 0;
var query = {x: []};
while (Object.bsonsize(query) < 30000) {
query.x.push(n++);
}
assertLogTruncated(db, t, 9);
var res = db.adminCommand({setParameter: 1, maxLogSizeKB: 8});
assert.eq(res.ok, 1);
assertLogTruncated(db, t, 8);
function assertLogTruncated(db, t, maxLogSize) {
var before = db.adminCommand({setParameter: 1, logLevel: 1});
t.findOne(query);
var x = db.adminCommand({setParameter: 1, logLevel: before.was});
assert.eq(1, x.was, tojson(x));
var log = db.adminCommand({getLog: "global"}).log;
var found = false;
var toFind = "warning: log line attempted (16kB) over max size (" + maxLogSize + "kB)";
for (var i = log.length - 1; i >= 0; i--) {
if (log[i].indexOf(toFind) >= 0) {
found = true;
break;
}
}
assert(found, tojson(log));
}
MongoRunner.stopMongod(conn);
})();
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