All Monitor Templates

Here is the list of all the Sifflet Monitor Templates:

Monitor template

Category

Application

Description

Volume

Table-level Health

Table

Counts newly ingested rows and alerts on anomalous behaviour

Row-level Duplicates

Table-level Health

Table

Computes the duplication rate [%] on a row-level and compares it to the expected value based on past behavior.

Freshness

Table-level Health

Table

Verifies whether new rows have been ingested into your table following the expected pattern.

Freshness (Update time gap)

Table-level Health

Table

The monitor fails when the duration since the last update deviates from historical norms.

Schema Change

Table-level Health

Table

Detects any change to the schema: new field(s), removed field(s), existing field(s) with updated types or names.

Metrics

Metrics

Fields: Numeric

The monitor detects changes in an aggregated metric of a field (i.e. Sum)

Custom Metrics

Metrics

Table

The rule fails if the time series returned by the query behaves differently from how it did in the past

Correlated Metrics

Metrics

Fields: Numeric

The monitor fails if defined metrics diverge significantly from one another.

Distribution Change

Field profiling

Fields: All

The monitor fails if the distribution of a given field has changed abnormally compared to a previous run.

Duplicates

Field profiling

Fields: All

The monitor detects anomalies regarding the count of duplicates for a column or a set of columns

Unique

Field profiling

Fields: All

A simplified version of the duplicates monitor that fails if a column or set of columns is not unique

Nulls

Field profiling

Fields: All

The monitor detects anomalies regarding the count of nulls/empties in a column or a set of columns

Value List Validation

Field profiling

Fields: String

The monitor fails if the chosen field has values that are not present in the given list.

Value Range

Field Profiling

Fields: Numeric

The monitor fails if the chosen field has any values outside of a given range.

Referential Integrity

Field profiling

Fields: All

The monitor fails if values in one table are not present in the other table

Is an email

Format validation

Fields: String

The monitor fails if the chosen field contains at least one row that does not have an email format.

Is a phone number

Format validation

Fields: String

The monitor fails if the chosen field contains at least one row that does not have a phone number format.
I.e. checking for 6 to 16 digits and will accept the field to contain the following characters +, -, (, )

Is UUID

Format validation

Fields: String

The monitor fails if the chosen field contains at least one row that does not have a UUID format.

Matches regex

Format validation

Fields: String

The rule fails if the selected field contains at least one row that does not match the format specified by the given regular expression.

SQL

Custom

Table

An advanced template to write custom monitors based on business specifics. The SQL query must describe a quality breach on one or more tables within the same data source.

Conditional monitors

Custom

Tables

As for SQL, this template allows writing custom monitors based on business use cases. With conditional statements, no SQL syntax is needed. The rule fails if values are found inside the filtering criteria set by conditional rules.