Appian Lead Developer Exam Questions and Answers All Correct Symptom: High load average in system.csv - Answer -Solution: Add Hardware Symptom: High Java work queue size in the engine performance logs - Answer -
Solution: Add application servers Symptom: high other time in engine call summary log - Answer -Solution: add engine replicas Symptom: low idle time in the engine performance logs. - Answer -Solution: add execution and analytics shards Symptom: high execute time in perf_monitor_rdbms_slow.csv - Answer -Solution: optimize your queries and applications and external data sources. Two main hardware resources - Answer -CPU and RAM Where to find work item completion time - Answer -work_poller__summary.csv How much CPU can each Appian engine instance use? - Answer -Up to 1 full CPU How many execution/analytics engine shards does Appian run with by default? - Answer -3 shards each What is the max number of shards for the execution/analytics engines? - Answer -32 each What is the DevOps timeline? - Answer -Plan, Implement, Build, Test, Release, Deploy, Monitor What are the three methods for deploying in Appian? - Answer -Compare and Deploy, Via programmable APIs, and Manual export and import. What are the 6 main software components of Appian? - Answer -Application server, in -
memory database engines, search servers, relational database(s), a data server for application data and metadata, an internal messaging service. Reduce memory for process execution and analytics engines - Answer -Run appian health check, identify processes that consume the most memory, clean up processes and adjust archival settings, set timers for processes that don't complete, optimize process model design, use the process monitoring view, use the Process Management Services plug -in from the AppMarket. Reduce memory for Content Engine - Answer -May indicate a high number of PM versions: look into cleaning up PM versions either manually or using Process Model Utilities plug -in from AppMarket. Reduce memory for Notifications Engine - Answer -Likely due to high number of notifications and/or alerts. Have users log in and clear out alerts, tell Appian Support to delete notifications for certain users. Optimize database memory - Answer -Cleanup unnecessary data in tables. Look to make database commands more efficient. When to upgrade RAM - Answer -If optimizing engine memory use in all engines does not work. Archived processes take up high disk space - Answer -Auto-compress archived processes, auto -delete archived processes (non -production environment) Process Execution engine high disk space - Answer -Archive and delete processes in the environment. High disk space for Knowledge Center/Documents - Answer -Delete documents. High Disk Space for MySQL - Answer -Remove unnecessary data. High disk space for logs - Answer -Could indicate an error causing many logs to be written - fix this error. Compress log files. Disable additional unneeded loggers. What does hot -deployable mean? - Answer -Site restart is not required upon deployment. Bundled Plug -In - Answer -Part of Appian system. Cannot be changed. Plug-in - Answer -JAR file. Contains Modules and supporting JAR files. Module - Answer -A contribution to an extension point. What directory holds plug -ins? - Answer -APPIAN_INSTALL/_admin/plugins/ What is appian -plugin.xml? - Answer -The plug -in manifest. What fields are contained in the plug -in manifest? - Answer -Key, name, and version.
Solution: Add application servers Symptom: high other time in engine call summary log - Answer -Solution: add engine replicas Symptom: low idle time in the engine performance logs. - Answer -Solution: add execution and analytics shards Symptom: high execute time in perf_monitor_rdbms_slow.csv - Answer -Solution: optimize your queries and applications and external data sources. Two main hardware resources - Answer -CPU and RAM Where to find work item completion time - Answer -work_poller__summary.csv How much CPU can each Appian engine instance use? - Answer -Up to 1 full CPU How many execution/analytics engine shards does Appian run with by default? - Answer -3 shards each What is the max number of shards for the execution/analytics engines? - Answer -32 each What is the DevOps timeline? - Answer -Plan, Implement, Build, Test, Release, Deploy, Monitor What are the three methods for deploying in Appian? - Answer -Compare and Deploy, Via programmable APIs, and Manual export and import. What are the 6 main software components of Appian? - Answer -Application server, in -
memory database engines, search servers, relational database(s), a data server for application data and metadata, an internal messaging service. Reduce memory for process execution and analytics engines - Answer -Run appian health check, identify processes that consume the most memory, clean up processes and adjust archival settings, set timers for processes that don't complete, optimize process model design, use the process monitoring view, use the Process Management Services plug -in from the AppMarket. Reduce memory for Content Engine - Answer -May indicate a high number of PM versions: look into cleaning up PM versions either manually or using Process Model Utilities plug -in from AppMarket. Reduce memory for Notifications Engine - Answer -Likely due to high number of notifications and/or alerts. Have users log in and clear out alerts, tell Appian Support to delete notifications for certain users. Optimize database memory - Answer -Cleanup unnecessary data in tables. Look to make database commands more efficient. When to upgrade RAM - Answer -If optimizing engine memory use in all engines does not work. Archived processes take up high disk space - Answer -Auto-compress archived processes, auto -delete archived processes (non -production environment) Process Execution engine high disk space - Answer -Archive and delete processes in the environment. High disk space for Knowledge Center/Documents - Answer -Delete documents. High Disk Space for MySQL - Answer -Remove unnecessary data. High disk space for logs - Answer -Could indicate an error causing many logs to be written - fix this error. Compress log files. Disable additional unneeded loggers. What does hot -deployable mean? - Answer -Site restart is not required upon deployment. Bundled Plug -In - Answer -Part of Appian system. Cannot be changed. Plug-in - Answer -JAR file. Contains Modules and supporting JAR files. Module - Answer -A contribution to an extension point. What directory holds plug -ins? - Answer -APPIAN_INSTALL/_admin/plugins/ What is appian -plugin.xml? - Answer -The plug -in manifest. What fields are contained in the plug -in manifest? - Answer -Key, name, and version.
