Memory Usage Log Messages

The Falcon LogScale Collector provides memory usage monitoring through specific log messages that trigger at different queue utilization thresholds. These messages vary based on the queue configuration type, with 'pause' action logs warning of source pausing at 50%, 80%, and 100% utilization, while 'deleteOldest' configuration logs indicate when old data will be removed to make space for new data at similar threshold levels.

The Falcon LogScale Collector will output the log messages below in case of high memory usage:

For sinks with default queue configuration, fullAction: pause

Table: fullAction: pause

Queue Utilization Log Level Log Message
100% Warning Memory queue is full. Sources that are sending to this sink are paused until space is available again.
80% Warning Memory queue is 80% full. If the queue becomes full, sources will be paused until there is space.
50% Warning Memory queue is 50% full. If the queue becomes full, sources will be paused until there is space.


For sinks with queue configuration, fullAction: deleteOldest.

Table: fullAction: deleteOldest

Queue Utilization Log Level Log Message
100% Info mem-queue is full, dropping oldest batch as configured
50% Warning Memory queue is 50% full. If the queue becomes full, the oldest data will be deleted to make space for new data.
80% Warning Memory queue is 80% full. If the queue becomes full, the oldest data will be deleted to make space for new data.