Tiny Buckets Flush Alarm

UI Column

Lot of Tiny Buckets Flushed

Logged As

NODE_ALARM_TINY_BUCKET_FLUSH

Meaning
Indicates lot of small buckets (<= 8mb) are getting flushed in DB resulting in performance degradation. You may see put operation performance going down during this phase and will need to take corrective actions to fix it. This will not bring down the cluster and data is still accessible.
Resolution
Increase memory for MapR Filesystem as number of active tablets is very high.