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Even I have the same issue, I have deployed a few charts for solr replica and solr server metrics from cloudera documentation. I've opened a ticket to Cloudera and they have asked me to upgrade from 6.1 to 6.2 mentioning the key error as 'gc.ConcurrentMarkSweep.count' and will be fixed in 6.2. But after the CM upgrade, I still can't see the charts showing the data, and new error started showing in the cloudera-scm agent logs. here is the error [20/May/2019 18:11:54 +0000] 90913 Monitor-HostMonitor throttling_logger ERROR Timed out waiting for worker process collecting filesystem usage to complete. This may occur if the host has an NFS or other remote filesystem that is not responding to requests in a timely fashion. Current nodev filesystems: /dev/shm,/run,/sys/fs/cgroup,/run/cloudera-scm-agent/process,/run/cloudera-scm-agent/process,/run/user/1309,/run/user/5138
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