There won't be a generic fix for all these issues as they may have different root causes. Each type of alerts has to be looked into one by one, a root cause determined and corresponding action applied. This will be best done in a support case, if you have no contract then please post the exact health alert message for the most bugging alert you are getting here, and we will help to resolve the reported issues. ... View more

As a first step, please verify your settings following instructions in this KB article.  In CM -> Administration -> Alerts, do you have these values set: Alert On Transitions Out of Alerting Health: No Health Alert Threshold: Bad These are the default values, if e.g. the threshold is set to "Concerning" then please revert back to "Bad" ... View more

Please show the exact alert message, we need to know for which directory the free space warning is raised for. Likely this is for the /var mountpoint, in that case please confirm on actual disk usage with commands # df -h /var # du -hs /var/* ... View more

To answer your questions:   The Time Series Storage limit can be configured but the minimum value is 10 Gb. Data is deleted from time series when this limit is reached. A change for this configuration parameter requires a restart of the role instance. Please note that this is all about time series data which will be used to populate the charts in Cloudera Manager with data. This will not affect the log file size for the roles, e.g. in /var/log/cloudera-scm-firehose/ directory, as you mention /logs again in your recent post. ... View more

In my understanding the question was not about timeseries storage but actual role log files, is this correct @wert_1311 ? Please note that there are only log file size oriented options available for Cloudera Management Services and cluster services, but no time based options. ... View more

Please configure more heap memory for the Cloudera Mangager process, follow instructions as shown in Increasing Max Heap Size | Cloudera Manager Service Control Manager   Please note those messages which state "no GCs detected" indicate the host is overloaded cpu wise. ... View more

In addition to that, can you please show us the CM agent configuration with # egrep -v '^[[:blank:]]*#|^$' /etc/cloudera-scm-agent/config.ini ... View more