Observability with RMT, logs, JMX and Activity Log
Map observability requirements to the Resource Monitoring Tool, logging levels, JMX, PerfMon or sysstat and the Activity Log; interpret what they report, revise the topology from it, check inter-node connectivity, and set up Activity Log delivery on Tableau Server and Tableau Cloud.
3.4 Maintain and tune a Tableau Server environment by using observability data: 3.4.1 Map the features and capabilities of the Tableau Server Resource Monitoring Tool to observability requirements; 3.4.2 Recommend a strategy for collecting and analyzing Tableau Server logs; 3.4.3 Recommend a strategy for collecting and analyzing Tableau Server process metrics; 3.4.4 Recommend a strategy for collecting and analyzing operating system and hardware-related metrics; 3.4.5 Interpret observability data; 3.4.6 Revise architecture based on observability data; 3.4.7 Troubleshoot connectivity in a single or multi-node environment, especially database connectivity; 3.4.8 Configure and implement Activity Log for Tableau Cloud or Tableau Server.
~7 min read · 20 practice questions
What the exam expects
- Map observability requirements to Resource Monitoring Tool (RMT) features, and recognize what RMT cannot see.
- Recommend strategies for Tableau Server logs, process metrics (JMX) and operating system and hardware metrics.
- Interpret RMT status and incidents, and revise the architecture from observability data.
- Troubleshoot connectivity between nodes and to the repository.
- Configure the Activity Log on Tableau Server and on Tableau Cloud.
Key terms: RMT (Resource Monitoring Tool: an Agent on every node plus RMT Server, requires Advanced Management); incident (an RMT alert with severity Info, Warning or Critical); JMX (Java Management Extensions, used by tools such as JConsole to read Java process metrics); Activity Log (Advanced Management event logs for auditing, including permission changes); environment (one Tableau Server installation or cluster in RMT).
Key facts
- Detail
- 8 cores, 64 GB RAM; up to 10,000 views per hour
- Detail
- External repository and gateway status; External File Store status and sizes
- Detail
- Warning at 30 seconds; config in milliseconds
- Detail
- 30 seconds,
background.pollRates.processStatus
- Detail
- CPU 80% for 5 min; memory 25%, disk 20% available
- Detail
- info; reset a key with
-d
- Detail
tsm maintenance jmx enable, readonly default, restarts
- Detail
tsm topology list-ports, all nodes
- Detail
- 75% average default; 95% on dedicated nodes
- Detail
- Single-region KMS key; multi-region unsupported
- Detail
- S3 Lifecycle configuration
Sources for this section (11)
- RMT hardwarehelp.tableau.com (opens in a new tab)
- RMT chartshelp.tableau.com (opens in a new tab)
- Slow Querieshelp.tableau.com (opens in a new tab)
- Environment Downhelp.tableau.com (opens in a new tab)
- Hardware Monitoringhelp.tableau.com (opens in a new tab)
- Logging levelshelp.tableau.com (opens in a new tab)
- JMX portshelp.tableau.com (opens in a new tab)
- TSM portshelp.tableau.com (opens in a new tab)
- Extract query-heavyhelp.tableau.com (opens in a new tab)
- Set Up Activity Loghelp.tableau.com (opens in a new tab)
- Cloud Activity Loghelp.tableau.com (opens in a new tab)
- How much CPU and memory does an RMT Agent typically use on recommended hardware?
- When is an RMT environment Critical even though no critical incident occurred today?
- When a cluster's logging levels change, which node do you set them from?
- How often should TabMon sample, and how much data should it keep?
The questions are free to read. Answers with their sources and self-grading are included with the pack.
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