Appian engines will replay transactions in an event of an unexpected shutdown. When this occurs, the engine startup time will depend on the number of transactions it has to replay. A large number of transactions can delay the engine start-up time.
This article outlines the following:
On the server which hosts the Appian Engines, navigate to <APPIAN_HOME>\logs\service_manager.log and search for log entries of the following type which have details on the engine name, number of transactions to replay and the approximate time this will take:
[KomodoEventBus-50] INFO com.appian.komodo.engine.status.ReplayStateProvider - download-stats 15 of 142 transactions replayed (10%). Approximately 00:57 remaining.
This article applies to Appian 17.3 and later.
Last Reviewed: August 2018
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