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Only request metric collections for hosts connected to the MS #13561

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Only request metric collections for hosts connected to the MS #13561

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Only request metric collections for hosts connected to the MS
GaOrtiga Jul 7, 2026
938dd5e
Update server/src/main/java/com/cloud/server/StatsCollector.java
GaOrtiga Jul 13, 2026
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8 changes: 8 additions & 0 deletions server/src/main/java/com/cloud/server/StatsCollector.java
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Expand Up @@ -1226,6 +1226,14 @@ protected void runInContext() {

Map<Object, Object> metrics = new HashMap<>();
for (HostVO host : hosts) {
if (host.getHypervisorType() == HypervisorType.KVM && ManagementServerNode.getManagementServerId() != host.getManagementServerId()) {
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// When there are multiple Management Server nodes on the environment, all of them request stat collections for the same VM in different moments; with that,
// the interval from "vm.stats.interval" is not respected. Also, the stats commands are routed to the Management Server connected to the Agent where the VM is running.
// Furthermore, the number of stat entries on the DB scales with the number of Management Servers. Therefore, we only request the stat collections from
// hosts connected to the Management Server, honoring the interval, presenting the correct data, and reducing the necessary storage to store the VMs stats.
logger.debug("Skipping VM stat collection for [{}] as it is connected to another Management Server node [{}].", host, host.getManagementServerId());
continue;
}
Date timestamp = new Date();
Pair<Map<Long, VMInstanceVO>, Map<String, Long>> vmsAndMap = getVmMapForStatsForHost(host);
Map<Long, VMInstanceVO> vmMap = vmsAndMap.first();
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