1. A computer-implemented method of processing events, wherein an event includes multiple fields, the method comprising: receiving a set of events; generating a row-based chunk that includes the set of events and metadata about the set of events; and generating a column-based chunk that includes metadata about the set of events and, for each event in the set of events, a value of a first field of the multiple fields, wherein the metadata about the set of events includes at least one of a minimum value or a maximum value of the first field over the events in the set of events.