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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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ejloh
by • New Contributor II
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How to trigger alert for twice per day at set times?

I need to create a databricks alert for 9:30am and 5pm every day...is there a way to do this with one alert? I can't use "Refresh every 1 day at time..." since this will only trigger once per day.  I also can't use "Refresh every 12 hours at minute....

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Mits
New Contributor II
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Did anyone find a solution for this?

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satya123
by • New Contributor
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How to trigger jobs after previous job are executed (I want to orchestrate jobs not tasks)?

I know scheduling options are there, but it doesn't consider interdependency like don't execute job2 unless job1 has been executed.I know, script based, or API based triggers are also there, but I am looking for UI based triggers like how we can orch...

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Anonymous
Not applicable
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Hi @satyam rastogi​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us s...

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Aviral-Bhardwaj
by • Esteemed Contributor III
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Understand Trigger Intervals in Streaming Pipelines in Databricks When defining a streaming write, the trigger the method specifies when the system sh...

Understand Trigger Intervals in Streaming Pipelines in DatabricksWhen defining a streaming write, the trigger the method specifies when the system should process the next set of data. Triggers are specified when defining how data will be written to a...

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jose_gonzalez
Databricks Employee
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Thank you for sharing

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User16826994223
by • Honored Contributor III
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Is this trigger supported -- trigger(Trigger.Continuous("1 second"))

Does delta file format support the continous trigger streaming as a sink?.trigger(Trigger.Continuous("1 second"))Can't find a document around itIn the spark documentation, I could see that below mentioned sinks are supported:Sinks:Kafka sink: All opt...

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User16826994223
Honored Contributor III
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Nope This is not supported with delta file format

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User16783853906
by • Contributor III
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Trigger.once mode recommendation

When is it recommended to use Trigger.once mode compared to fixed processing intervals with micro batches?

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brickster_2018
Databricks Employee
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Also note, the configurations like maxFilesPerTrigger, maxBytesPerTrigger are ignored with Trigger.Once. Streaming queries with significantly less throughput can switch to Trigger.Once to avoid the continuous execution of the job checking the availab...

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User16826992666
by • Valued Contributor
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Resolved! What is the difference between a trigger once stream and a normal one time write?

It seems to me like both of these would accomplish the same thing in the end. Do they use different mechanisms to accomplish it though? Are there any hidden costs to streaming to consider?

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Ryan_Chynoweth
Esteemed Contributor
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The biggest reason to use the streaming API over the non-stream API would be to enable the checkpoint log to maintain a processing log. It is most common for people to use the trigger once when they want to only process the changes between executions...

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