Originally from the User Slack
@Mahdi_KamaliMahdi_KamaliMahdi_KamaliMahdi_Kamali**:** When a memtable is being flushed, while some rows have been updated, what happens to those rows in cache? When rows in cache will be invalidated and when will be merged?
@avi**:** If the partition exists in cache, rows in the memtable being flushed will be merged into cache