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The following commit(s) were added to refs/heads/master by this push:
new 54123b33155 HBASE-29940 GC Collector stats can't be displayed properly
in JDK21 (#7822)
54123b33155 is described below
commit 54123b33155d5228f219930ffe631bc775f2faee
Author: Liu Xiao <[email protected]>
AuthorDate: Fri Mar 6 14:53:38 2026 +0800
HBASE-29940 GC Collector stats can't be displayed properly in JDK21 (#7822)
Signed-off-by: Duo Zhang <[email protected]>
---
.../hbase-webapps/master/processMaster.jsp | 59 +++++++--------------
.../hbase-webapps/regionserver/processRS.jsp | 61 ++++++++--------------
2 files changed, 41 insertions(+), 79 deletions(-)
diff --git
a/hbase-server/src/main/resources/hbase-webapps/master/processMaster.jsp
b/hbase-server/src/main/resources/hbase-webapps/master/processMaster.jsp
index 73630317600..c9ed0f43d85 100644
--- a/hbase-server/src/main/resources/hbase-webapps/master/processMaster.jsp
+++ b/hbase-server/src/main/resources/hbase-webapps/master/processMaster.jsp
@@ -35,12 +35,6 @@ ObjectName jvmMetrics = new
ObjectName("Hadoop:service=HBase,name=JvmMetrics");
// There is always two of GC collectors
List<GarbageCollectorMXBean> gcBeans = JSONMetricUtil.getGcCollectorBeans();
-GarbageCollectorMXBean collector1 = null;
-GarbageCollectorMXBean collector2 = null;
-try {
-collector1 = gcBeans.get(0);
-collector2 = gcBeans.get(1);
-} catch(IndexOutOfBoundsException e) {}
List<MemoryPoolMXBean> mPools = JSONMetricUtil.getMemoryPools();
pageContext.setAttribute("pageTitle", "Process info for PID: " +
JSONMetricUtil.getProcessPID());
%>
@@ -79,10 +73,10 @@ pageContext.setAttribute("pageTitle", "Process info for
PID: " + JSONMetricUtil.
<table class="table table-striped" width="90%" >
<tr>
<th>ThreadsNew</th>
- <th>ThreadsRunable</th>
+ <th>ThreadsRunnable</th>
<th>ThreadsBlocked</th>
<th>ThreadsWaiting</th>
- <th>ThreadsTimeWaiting</th>
+ <th>ThreadsTimedWaiting</th>
<th>ThreadsTerminated</th>
</tr>
<tr>
@@ -100,19 +94,21 @@ pageContext.setAttribute("pageTitle", "Process info for
PID: " + JSONMetricUtil.
<div class="page-header">
<h2>GC Collectors</h2>
</div>
- </div>
- <% if (gcBeans.size() == 2) { %>
+ </div>
+ <% if (gcBeans != null && !gcBeans.isEmpty()) { %>
<div class="tabbable">
<ul class="nav nav-pills" role="tablist">
+ <% int idx = 0; for (GarbageCollectorMXBean gc : gcBeans) { %>
<li class="nav-item">
- <a class="nav-link active" href="#tab_gc1" data-bs-toggle="tab"
role="tab"><%=collector1.getName() %></a>
+ <a class="nav-link <%= idx == 0 ? "active" : "" %>" href="#tab_gc_<%=
idx %>" data-bs-toggle="tab" role="tab">
+ <%= gc.getName() %>
+ </a>
</li>
- <li class="nav-item">
- <a class="nav-link" href="#tab_gc2" data-bs-toggle="tab"
role="tab"><%=collector2.getName() %></a>
- </li>
+ <% idx++; } %>
</ul>
<div class="tab-content">
- <div class="tab-pane active" id="tab_gc1" role="tabpanel">
+ <% idx = 0; long totalGcTime = 0; for (GarbageCollectorMXBean gc :
gcBeans) { totalGcTime += gc.getCollectionTime(); %>
+ <div class="tab-pane <%= idx == 0 ? "active" : "" %>" id="tab_gc_<%= idx
%>" role="tabpanel">
<table class="table table-striped">
<tr>
<th>Collection Count</th>
@@ -120,35 +116,20 @@ pageContext.setAttribute("pageTitle", "Process info for
PID: " + JSONMetricUtil.
<th>Last duration</th>
</tr>
<tr>
- <td> <%= collector1.getCollectionCount() %></td>
- <td> <%=
StringUtils.humanTimeDiff(collector1.getCollectionTime()) %> </td>
- <td> <%=
StringUtils.humanTimeDiff(JSONMetricUtil.getLastGcDuration(
- collector1.getObjectName())) %></td>
+ <td><%= gc.getCollectionCount() %></td>
+ <td><%= StringUtils.humanTimeDiff(gc.getCollectionTime()) %></td>
+ <td><%=
StringUtils.humanTimeDiff(JSONMetricUtil.getLastGcDuration(
+ gc.getObjectName())) %></td>
</tr>
</table>
</div>
- <div class="tab-pane" id="tab_gc2" role="tabpanel">
- <table class="table table-striped">
- <tr>
- <th>Collection Count</th>
- <th>Collection Time</th>
- <th>Last duration</th>
- </tr>
- <tr>
- <td> <%= collector2.getCollectionCount() %></td>
- <td> <%= StringUtils.humanTimeDiff(collector2.getCollectionTime())
%> </td>
- <td> <%=
StringUtils.humanTimeDiff(JSONMetricUtil.getLastGcDuration(
- collector2.getObjectName())) %></td>
- </tr>
- </table>
- </div>
+ <% idx++; } %>
</div>
</div>
- <%} else { %>
- <p> Can not display GC Collector stats.</p>
- <%} %>
- Total GC Collection time: <%=
StringUtils.humanTimeDiff(collector1.getCollectionTime() +
- collector2.getCollectionTime())%>
+ <p>Total GC Collection time: <%= StringUtils.humanTimeDiff(totalGcTime)
%></p>
+ <% } else { %>
+ <p>Can not display GC Collector stats.</p>
+ <% } %>
</div>
<% for(MemoryPoolMXBean mp:mPools) {
if(mp.getName().contains("Cache")) continue;%>
diff --git
a/hbase-server/src/main/resources/hbase-webapps/regionserver/processRS.jsp
b/hbase-server/src/main/resources/hbase-webapps/regionserver/processRS.jsp
index 9261de13f45..b1e1fe359ca 100644
--- a/hbase-server/src/main/resources/hbase-webapps/regionserver/processRS.jsp
+++ b/hbase-server/src/main/resources/hbase-webapps/regionserver/processRS.jsp
@@ -38,12 +38,6 @@ Object pauseInfoThresholdExceeded =
JSONMetricUtil.getValueFromMBean(rsMetrics,
// There is always two of GC collectors
List<GarbageCollectorMXBean> gcBeans = JSONMetricUtil.getGcCollectorBeans();
-GarbageCollectorMXBean collector1 = null;
-GarbageCollectorMXBean collector2 = null;
-try {
-collector1 = gcBeans.get(0);
-collector2 = gcBeans.get(1);
-} catch(IndexOutOfBoundsException e) {}
List<MemoryPoolMXBean> mPools = JSONMetricUtil.getMemoryPools();
pageContext.setAttribute("pageTitle", "Process info for PID: " +
JSONMetricUtil.getProcessPID());
%>
@@ -85,10 +79,10 @@ pageContext.setAttribute("pageTitle", "Process info for
PID: " + JSONMetricUtil.
<table class="table table-striped" width="90%" >
<tr>
<th>ThreadsNew</th>
- <th>ThreadsRunable</th>
+ <th>ThreadsRunnable</th>
<th>ThreadsBlocked</th>
<th>ThreadsWaiting</th>
- <th>ThreadsTimeWaiting</th>
+ <th>ThreadsTimedWaiting</th>
<th>ThreadsTerminated</th>
</tr>
<tr>
@@ -107,19 +101,21 @@ pageContext.setAttribute("pageTitle", "Process info for
PID: " + JSONMetricUtil.
<div class="page-header">
<h2>GC Collectors</h2>
</div>
- </div>
- <% if (gcBeans.size() == 2) { %>
+ </div>
+ <% if (gcBeans != null && !gcBeans.isEmpty()) { %>
<div class="tabbable">
<ul class="nav nav-pills" role="tablist">
+ <% int idx = 0; for (GarbageCollectorMXBean gc : gcBeans) { %>
<li class="nav-item">
- <a class="nav-link active" href="#tab_gc1" data-bs-toggle="tab"
role="tab"><%=collector1.getName() %></a>
+ <a class="nav-link <%= idx == 0 ? "active" : "" %>" href="#tab_gc_<%=
idx %>" data-bs-toggle="tab" role="tab">
+ <%= gc.getName() %>
+ </a>
</li>
- <li class="nav-item">
- <a class="nav-link" href="#tab_gc2" data-bs-toggle="tab"
role="tab"><%=collector2.getName() %></a>
- </li>
+ <% idx++; } %>
</ul>
<div class="tab-content">
- <div class="tab-pane active" id="tab_gc1" role="tabpanel">
+ <% idx = 0; long totalGcTime = 0; for (GarbageCollectorMXBean gc :
gcBeans) { totalGcTime += gc.getCollectionTime(); %>
+ <div class="tab-pane <%= idx == 0 ? "active" : "" %>" id="tab_gc_<%= idx
%>" role="tabpanel">
<table class="table table-striped">
<tr>
<th>Collection Count</th>
@@ -127,35 +123,20 @@ pageContext.setAttribute("pageTitle", "Process info for
PID: " + JSONMetricUtil.
<th>Last duration</th>
</tr>
<tr>
- <td> <%= collector1.getCollectionCount() %></td>
- <td> <%=
StringUtils.humanTimeDiff(collector1.getCollectionTime()) %> </td>
- <td> <%=
StringUtils.humanTimeDiff(JSONMetricUtil.getLastGcDuration(
- collector1.getObjectName())) %></td>
+ <td><%= gc.getCollectionCount() %></td>
+ <td><%= StringUtils.humanTimeDiff(gc.getCollectionTime()) %></td>
+ <td><%=
StringUtils.humanTimeDiff(JSONMetricUtil.getLastGcDuration(
+ gc.getObjectName())) %></td>
</tr>
</table>
</div>
- <div class="tab-pane" id="tab_gc2" role="tabpanel">
- <table class="table table-striped">
- <tr>
- <th>Collection Count</th>
- <th>Collection Time</th>
- <th>Last duration</th>
- </tr>
- <tr>
- <td> <%= collector2.getCollectionCount() %></td>
- <td> <%= StringUtils.humanTimeDiff(collector2.getCollectionTime())
%> </td>
- <td> <%=
StringUtils.humanTimeDiff(JSONMetricUtil.getLastGcDuration(
- collector2.getObjectName())) %></td>
- </tr>
- </table>
+ <% idx++; } %>
</div>
- </div>
- </div>
- <%} else { %>
- <p> Can not display GC Collector stats.</p>
- <%} %>
- Total GC Collection time: <%=
StringUtils.humanTimeDiff(collector1.getCollectionTime() +
- collector2.getCollectionTime())%>
+</div>
+<p>Total GC Collection time: <%= StringUtils.humanTimeDiff(totalGcTime) %></p>
+ <% } else { %>
+ <p>Can not display GC Collector stats.</p>
+ <% } %>
</div>
<% for(MemoryPoolMXBean mp:mPools) {
if(mp.getName().contains("Cache")) continue;%>
