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https://issues.apache.org/jira/browse/GEODE-8520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17200521#comment-17200521
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ASF GitHub Bot commented on GEODE-8520:
---------------------------------------
mhansonp commented on a change in pull request #5536:
URL: https://github.com/apache/geode/pull/5536#discussion_r493093231
##########
File path:
geode-core/src/test/java/org/apache/geode/management/bean/stats/MemberLevelStatsTest.java
##########
@@ -339,6 +342,41 @@ public void testRegionCounters() {
assertThat(memberMBeanBridge.getTotalPrimaryBucketCount()).isZero();
}
+ @Test
+ public void testVMStats() {
+ Statistics[] realStats =
statisticsManager.findStatisticsByType(VMStats50.getGCType());
+ long[] totals = modifyStatsAndReturnTotalCountAndTime(10, 2500, realStats);
+ memberMBeanBridge.addVMStats(statSampler.getVMStats());
+
assertThat(memberMBeanBridge.getGarbageCollectionCount()).isEqualTo(totals[0]);
+
assertThat(memberMBeanBridge.getGarbageCollectionTime()).isEqualTo(totals[1]);
+
+ long[] newTotals = modifyStatsAndReturnTotalCountAndTime(20, 3500,
realStats);
+ sampleStats();
+
assertThat(memberMBeanBridge.getGarbageCollectionCount()).isEqualTo(newTotals[0]);
+
assertThat(memberMBeanBridge.getGarbageCollectionTime()).isEqualTo(newTotals[1]);
+ }
+
+ private long[] modifyStatsAndReturnTotalCountAndTime(
+ long baseCount, long baseTime,
+ Statistics[] modifiedStats) {
+ long[] totalCountAndTime = {0, 0};
+ for (Statistics gcStat : modifiedStats) {
+ StatisticDescriptor[] statistics = gcStat.getType().getStatistics();
Review comment:
Why did we switch from getCollections and getCollectionTime to the
string based approach?
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> GarbageCollectionCount metric is showing negative values
> --------------------------------------------------------
>
> Key: GEODE-8520
> URL: https://issues.apache.org/jira/browse/GEODE-8520
> Project: Geode
> Issue Type: Bug
> Components: management
> Affects Versions: 1.13.0
> Reporter: Jinmei Liao
> Priority: Major
> Labels: GeodeOperationAPI, pull-request-available
>
> sometimes the memberMBean's garbageCollectionCount and garbageCollectionTime
> metriics are showing negative values.
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