/p>

<p>
When heap profiling is not enabled, <span style="color: green">live bytes</span> will be updated only on a major GC, but <span style="color: red">heap size</span> and <span style="color: blue">blocks size</span> are updated more frequently. (Enabling heap profiling causes more frequent major GCs to collect heap samples.)
</p>

<p>
This view can also be useful in identifying
fragmentation. A very badly fragmented heap will have low <span style="color: green">live bytes</span> but
much higher <span s