ifference cover value (default: 0)
</p>
</dd>
<dt class="hdlist1">
<strong>-memlimit</strong> [<em>string</em>]
</dt>
<dd>
<p>
specify maximal amount of memory to be used during index construction (in bytes, the keywords <em>MB</em> and <em>GB</em> are allowed) (default: undefined)
</p>
</dd>
<dt class="hdlist1">
<strong>-scan</strong> [<em>yes|no</em>]
</dt>
<dd>
<p>
do not load esa index but scan it sequentially. (default: yes)
</p>
</dd>
<dt class="hdlist1">
<strong>-thr</strong> [<em