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When using DB caching on a master server, 8h and 16h summary data metrics for nodes not polled by the master are unable to be cached. In the node list you will find the 8h node summary metric missing.
pollers is not cached, example is showing the 8h health value in the nodes list. If this data is important we recommend disabling db caching for this your environment.
Subnet Caching
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To perform subnet caching in the background you can use a cron job to call the opCharts CLI and perform a subnet cache manually, the interevile to run this is a balance between not caching stale data and time it takes to generate subnets with performance considerations included, we would reccomend to run the cron job every hour. If you have implemented this method you should change nmisx_subnet_cache_time to 86400 so it will not be performed in a web request.
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*/59 * * * * sudo /usr/local/omk/bin/opcharts-cli.plexe act=refresh-subnet-cache >/dev/null 2>&1 |
Multiple web users
If you have multiple users of the platform you can increase the worker count, default is 10
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