jstests/libs/config_files/enable_prealloc.json

{
    "storage" : {
        "mmapv1" : {
            "preallocDataFiles" : true
        }
    }
}
SERVER-13379 Canonicalize noprealloc as storage.preallocDataFiles 2014-03-27 19:01:00 -04:00			`{`
			`"storage" : {`
SERVER-15557 added "Storage options" section in --help output. migraged dotted names of mmapv1 options from "storage" to "storage.mmapv1" storage.mmapv1.directoryPerDB storage.mmapv1.journal.commitIntervalMs storage.mmapv1.journal.debugFlags storage.mmapv1.nsSize storage.mmapv1.preallocDataFiles storage.mmapv1.quota.enforced storage.mmapv1.quota.maxFilesPerDB storage.mmapv1.smallFiles storage.mmapv1.syncPeriodSecs dotted names (without the ".mmapv1" component) of mmapv1 options before migration will still be accepted but a warning will be raised at startup. 2014-10-31 02:01:37 -04:00			`"mmapv1" : {`
			`"preallocDataFiles" : true`
			`}`
SERVER-13379 Canonicalize noprealloc as storage.preallocDataFiles 2014-03-27 19:01:00 -04:00			`}`
			`}`