assert: undefined is not greater than 4500 : undefined
Error: undefined is not greater than 4500 : undefined
    at Error (<anonymous>)
    at doassert (src/mongo/shell/assert.js:11:14)
    at Function.assert.gt (src/mongo/shell/assert.js:295:5)
    at /data/mci/shell/src/jstests/core/explain2.js:24:8
2015-04-24T09:42:37.311-0400 E QUERY    Error: undefined is not greater than 4500 : undefined
    at Error (<anonymous>)
    at doassert (src/mongo/shell/assert.js:11:14)
    at Function.assert.gt (src/mongo/shell/assert.js:295:5)
    at /data/mci/shell/src/jstests/core/explain2.js:24:8 at src/mongo/shell/assert.js:13
failed to load: /data/mci/shell/src/jstests/core/explain2.js