Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/4869#discussion_r146798931
--- Diff: docs/monitoring/metrics.md ---
@@ -543,62 +546,75 @@ Thus, in order to infer the metric identifier:
<table class="table table-bordered">
<thead>
<tr>
- <th class="text-left" style="width: 20%">Scope</th>
- <th class="text-left" style="width: 25%">Infix</th>
- <th class="text-left" style="width: 23%">Metrics</th>
- <th class="text-left" style="width: 32%">Description</th>
+ <th class="text-left" style="width: 18%">Scope</th>
+ <th class="text-left" style="width: 22%">Infix</th>
+ <th class="text-left" style="width: 20%">Metrics</th>
+ <th class="text-left" style="width: 32%">Description</th>
+ <th class="text-left" style="width: 8%">Type</th>
</tr>
</thead>
<tbody>
<tr>
<th rowspan="12"><strong>Job-/TaskManager</strong></th>
<td rowspan="12">Status.JVM.Memory</td>
<td>Heap.Used</td>
- <td>The amount of heap memory currently used.</td>
+ <td>The amount of heap memory currently used (in bytes).</td>
+ <td>Gauge</td>
</tr>
<tr>
<td>Heap.Committed</td>
- <td>The amount of heap memory guaranteed to be available to the
JVM.</td>
+ <td>The amount of heap memory guaranteed to be available to the JVM
(in bytes).</td>
+ <td>Gauge</td>
</tr>
<tr>
<td>Heap.Max</td>
- <td>The maximum amount of heap memory that can be used for memory
management.</td>
+ <td>The maximum amount of heap memory that can be used for memory
management (in bytes).</td>
+ <td>Gauge</td>
</tr>
<tr>
<td>NonHeap.Used</td>
- <td>The amount of non-heap memory currently used.</td>
+ <td>The amount of non-heap memory currently used (in bytes).</td>
+ <td>Gauge</td>
</tr>
<tr>
<td>NonHeap.Committed</td>
- <td>The amount of non-heap memory guaranteed to be available to the
JVM.</td>
+ <td>The amount of non-heap memory guaranteed to be available to the
JVM (in bytes).</td>
+ <td>Gauge</td>
</tr>
<tr>
<td>NonHeap.Max</td>
- <td>The maximum amount of non-heap memory that can be used for
memory management.</td>
+ <td>The maximum amount of non-heap memory that can be used for
memory management (in bytes).</td>
+ <td>Gauge</td>
</tr>
<tr>
<td>Direct.Count</td>
- <td>The number of buffers in the direct buffer pool.</td>
+ <td>The number of buffers in the direct buffer pool (in bytes).</td>
--- End diff --
the unit is not bytes, but just a simple count.
---
