Database Event Limits

The following table lists the minimum and maximum number of records for each event type that you can store on a Cisco Defense Orchestrator.

Database Event Limits

Event Type

Upper Limit

Lower Limit

Intrusion events

10 million (CDO Virtual)


20 million (CDO750)


30 million (CDO1500, )

60 million (CDO2000,, FMCv 300)

150 million (CDO3500)


300 million (CDO4000, )

10,000

Discovery events

10 million
 (CDO Virtual)

20 million (CDO2000, CDO4000, , FMCv 300)

Zero (disables storage)

Connection events

Security Intelligence events

50 million (CDO Virtual, CDO750)


100 million (CDO1500, )


300 million (CDO2000, , FMCv 300)

500 million (CDO3500)


1 billion (CDO4000, )

Limit is shared between connection events and Security Intelligence events. The sum of the configured maximums cannot exceed this limit.

Zero (disables storage)

If you set the Maximum Connection Events value to zero, then connection events that are not associated with Security Intelligence, intrusion, file, and malware events are not stored on the CDO.

Caution

Setting Maximum Connection Events to zero immediately purges existing connection events other than Security Intelligence events.

See below for the effect of this setting on Maximum Flow Rate.

These settings do not affect connection summaries.

Connection summaries (aggregated connection events)

50 million (CDO Virtual, CDO750)

100 million (CDO1500, )


300 million (CDO2000, , FMCv 300)

500 million (CDO3500)


1 billion (CDO4000, )

Zero (disables storage)

Correlation events and compliance allow list events

1 million
 (CDO Virtual)


2 million (CDO2000, , CDO4000, FMCv 300)

One

Malware events

10 million
(CDO Virtual)


20 million (CDO2000,, CDO4000, FMCv 300)

10,000

File events

10 million
 (CDO Virtual)


20 million (CDO2000, , CDO4000, FMCv 300)

Zero (disables storage)

Health events

1 million

Zero (disables storage)

Audit records

100,000

One

Remediation status events

10 million

One

Allow list violation history

a 30-day history of violations

One day’s history

User activity (user events)

10 million

One

User logins (user history)

10 million

One

Intrusion rule update import log records

1 million

One

VPN Troubleshooting database

10 million

Zero (disables storage)

Maximum Flow Rate

The Maximum flow rate (flows per second) value for your CDO hardware model is specified in the Platform Specifications section of the CDO datasheet at https://www.cisco.com/c/en/us/products/collateral/security/firesight-management-center/datasheet-c78-736775.html?cachemode=refresh

If you set the Maximum Connection Events value in platform settings to zero, then connection events that are not associated with Security Intelligence, intrusion, file, and malware events are not counted toward the maximum flow rate for your CDO hardware.

Any non-zero value in this field causes ALL connection events to be counted against the maximum flow rate.

Other event types on this page do not count against the maximum flow rate.