ESXi 5.5 – Extending Performance Data to 36 hours

It is noted that the standalone ESXi can only keep 1 hours’ perf data, and looks no way to change it? here is the solution.

By default a standalone ESXi host will keep 1 hours worth of performance data. vCenter Server will allow you to capture performance data long term, but if you have just the standalone ESXi host you can extend the capture of performance data to 36 hours with just a simple configuration change. This is working for ESXi 5.5 as well

1) Open the file /etc/vmware/hostd/config.xml and change the portion in bold from false to true

<!– Directory to store stats related files in –>
<!– <depotDir> /var/lib/vmware/hostd/stats/ </depotDir> –>
<!– Name of the StatsDepot –>
<!– <depotName> hostAgentStats </depotName> –>
<!– Max number of stats to purge in one shot –>
<!– <maxStatsPurged> 1000 </maxStatsPurged> –>
<!– Real time stats collection interval –>
<!– <collectionInterval> 20 </collectionInterval> –>
<!– Enable historical stats collection –>
<historicalStatsEnabled> true </historicalStatsEnabled>

2) Once the above change is made, you can either restart the host or run the console command restart


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