Process Engine

Group "Process Engine"

Parameter	Description
log.async.congestion.control	Maximum number of database operations that can be queued. If exceeded, congestion control slows the system.
log.async.error.retries	Number of retry attempts when writing erroneous records asynchronously.
log.async.error.waittime	Wait time (in seconds) between two retries after an error occurs.
log.async.flushAfter	Interval (in seconds) for flushing cached log data to the database.
log.async.max.rows	Maximum number of rows stored in the cache before flushing.
log.async.mode.persistent	Behavior for logging persistent processes: - DISABLED: Write immediately. - LEVEL1: Keys/events written async. - LEVEL2: Process start written sync. ⚠️ LEVEL2 risks inconsistency if crash occurs.
log.async.mode.volatile	Behavior for logging volatile processes: - DISABLED: Write immediately. - LEVEL1: Keys/events written async. - LEVEL2: Start written sync. - LEVEL3: Fully async. ⚠️ LEVEL2/3 risk inconsistency if crash occurs.
log.async.path	Directory for writing log files when DB operations fail during async logging.
log.max.size	Maximum number of process tokens in the log; older entries are removed when exceeded.
notify.paused.channel	Warns if a channel is paused. 0 disables. Positive values = delay in minutes.
process.force.volatile.persistence	Maximum number of volatile processes held in memory; excess are persisted automatically.
process.log.backlog	Maximum number of pending DB writes. If exceeded, async logging is disabled temporarily.
process.log.business.event	Enables (true) or disables (false) business event logging.
process.log.business.keys	Enables (true) or disables (false) business key logging.
process.log.cache	Size of the ring buffer for caching process log entries.
process.log.mode	Log level for process logging: - FULL: Complete log. - ERROR: Only errors (plus cached logs). - OFF: Nothing written; only ring buffer retained.
process.log.queue.time	Max cache lifetime for log entries before being written to DB.
process.log.skip.after	Number of logs read before skipping further records.
process.log.skip.limit	Maximum number of process steps displayed. -1 disables limit.
process.log.threads	Number of threads writing logs to DB. 0 = direct writing during execution (slower).
process.log.threshold	Number of cached entries required before flushing to DB.
process.log.useCount	true = show max record count in process detail list. false = reduces DB ops.
queue.mode.bestEffort	Scheduling strategy: - DEFAULT: All activities in one queue. - PARALLEL: Each activity has its own queue.
send.errorevent.on.abort	Behavior if a process is implicitly aborted: - true: Generate system error event. - false: No action.