- 338 Views
- 1 replies
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I got suspended from the Databrick certified Associate developer for Apache Spark.
I need immediate assistance to reschedule my exam. By mistakenly I have taken note book to do rough work. Due to using notebook i got suspended from the exam i think so. Please help me out with this issue.mail id- malothsiddunaik133@gmail.comThankyou...
- 338 Views
- 1 replies
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Hello @Siddartha01! It looks like this post duplicates the one you recently posted. A response has already been provided to the Original thread. I recommend continuing the discussion in that thread to keep the conversation focused and organised.
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- 577 Views
- 1 replies
- 1 kudos
Resolved! Delta sharing recipient auth status
I'm creating recipients, and send them activation link via email. All recipients are external (they don't have databricks account). Lets say I've created 300 recipients and I want to know who downloaded creds fail successfully, and got authenticated....
- 577 Views
- 1 replies
- 1 kudos
- 1 kudos
Hey @drag7ter You’re absolutely right, currently, there is no official API field that explicitly returns the recipient activation status (I just have tested it), even though the Databricks API documentation references a field called activated boolea...
- 1 kudos
- 4206 Views
- 6 replies
- 1 kudos
Relevance of off heap memory and usage
I was referring to the doc - https://kb.databricks.com/clusters/spark-executor-memory.In general total off heap memory is = spark.executor.memoryOverhead + spark.offHeap.size. The off-heap mode is controlled by the properties spark.memory.offHeap....
- 4206 Views
- 6 replies
- 1 kudos
- 1 kudos
Hello, Thanks for the follow up! The configuration for spark.executor.memory and spark.executor.memoryOverhead serves distinct purposes within Spark's memory management: spark.executor.memory: This controls the allocated memory for each executor's JV...
- 1 kudos
- 4018 Views
- 7 replies
- 6 kudos
dlt Streaming Checkpoint Not Found
I am using Delta Live Tables and have my pipeline defined using the code below. My understanding is that a checkpoint is automatically set when using Delta Live Tables. I am using the Unity Catalog and Schema settings in the pipeline as the storage d...
- 4018 Views
- 7 replies
- 6 kudos
- 920 Views
- 4 replies
- 1 kudos
Resolved! Define time interval for when a cluster can be active
Hullo good Databricks people.I have a small dedicated cluster being used for Direct Query (PBI) which has a long termination period. I'd like for it to only be active during business hours though, and to set a restriction so that it's not possible to...
- 920 Views
- 4 replies
- 1 kudos
- 1 kudos
So the hybrid solution turned out to be the smartest, at least for my case, with a simple time check that defines the connection information according to whether the query is sent outside business hours or not.
- 1 kudos
- 1808 Views
- 0 replies
- 0 kudos
data not inserting in 'overwrite' mode - Value has type STRUCT which cannot be inserted into column
We have the following code which we used to load data to BigQuery table after reading the parquet files from Azure Data Lake Storage:df.write.format("bigquery").option( "parentProject", gcp_project_id ).option("table", f"{bq_table_name}").option( "te...
- 1808 Views
- 0 replies
- 0 kudos
- 1735 Views
- 0 replies
- 0 kudos
Batch reading from sql server tables with cdc on ssql server tables
Hi all,I need to do a batch load from sql server into Databricks. I have CC enabled on some tables. The simple appears to be union CDC and regular table to get a single set of records to load, but this appears to be fraught with risk of out of sequen...
- 1735 Views
- 0 replies
- 0 kudos
- 2871 Views
- 2 replies
- 1 kudos
Hyperopt Error: There are no evaluation tasks, cannot return argmin of task losses.
The trials succeed when the cell in the notebook is executed manually:However, the same process fails when executed as a Workflow: The error simply says that there's an issue with the objective function. However how can that be the case if I'm able t...
- 2871 Views
- 2 replies
- 1 kudos
- 24480 Views
- 3 replies
- 0 kudos
spark is case sensitive? Spark is not case sensitive by default. If you have same column name in different case (Name, name), if you try to select eit...
spark is case sensitive?Spark is not case sensitive by default. If you have same column name in different case (Name, name), if you try to select either "Name" or "name" column you will get column ambiguity error.There is a way to handle this issue b...
- 24480 Views
- 3 replies
- 0 kudos
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Hi I had similar issues with parquet files when trying to query athena, fix was i had to inspect the parquet file since it contained columns such as "Name", "name" which the aws crawler / athena would interpret as a duplicate column since it would se...
- 0 kudos
- 731 Views
- 3 replies
- 0 kudos
How to write trillions of rows to unity catalog table.
Hi team,I have a dataframe with 1269408570800 rows . I need to write this data to unity catalog table.How can I upload huge quantity of data ?I'm using databricks i runtime 15.4 LTS with 4 workers and each worker type is i3.4xlarge and driver of type...
- 731 Views
- 3 replies
- 0 kudos
- 0 kudos
Hey @Nagarathna @Lucas_TBrabo I’d like to share my opinion and some tips that might help:1. You should try to avoud filtering by spark_partition_id because you can create skewed partitions, you should use with repartition() and spark can optimize t...
- 0 kudos
- 782 Views
- 2 replies
- 1 kudos
Impact of VACUUM Operations on Shallow Clones in Databricks
I performed a POC where i have to check that can we create a new delta table which contains only particular version of data of normal delta table without copying the data and if we make changes or perform any operation(insert/delete/truncate/records)...
- 782 Views
- 2 replies
- 1 kudos
- 1 kudos
Thanks. It really helps me a lot But there is also an issue in shallow clone. We can only clone the full table data, particular delta version data using timestamp/version from the normal table using shallow clone but we can not clone the table data b...
- 1 kudos
- 683 Views
- 1 replies
- 0 kudos
How to resolve Location Overlap
Hi,I am trying to ingest abfss://datalake@datalakename.dfs.core.windows.net/Delta/Project1/sales_table but when writting the table schema on the yamls, I uncorrectly wrote this table in other unit catalog table:---kind: SinkDeltaTablemetadata: name:...
- 683 Views
- 1 replies
- 0 kudos
- 0 kudos
Hey @ep208 ,From the error message you’re seeing (LOCATION_OVERLAP), it seems that Unity Catalog is still tracking a table or volume that points to the same path you’re now trying to reuse:abfss://datalake@datalakename.dfs.core.windows.net/Delta/Proj...
- 0 kudos
- 966 Views
- 1 replies
- 1 kudos
Resolved! Capturing deletes for SCD2 using apply changes or apply as delete decorator
We're looking to implement scd2 for tables in our lakehouse and we need to keep track of records that are being deleted in the source. Does anyone have a similar use case and can they outline some of the challenges they faced and workarounds they imp...
- 966 Views
- 1 replies
- 1 kudos
- 1 kudos
Hi @KG_777 Tracking deleted records in an SCD Type 2 implementation for a lakehouse architecture is indeed a challenging but common requirement.Here's an overview of approaches, challenges, and workarounds based on industry experience:Common Approach...
- 1 kudos
- 10683 Views
- 3 replies
- 1 kudos
Save file to /tmp
Hello, I have python code that collects data in json, and sends it to an S3 bucket, everything works fine. But when there is a lot of data, it causes memory overflow.So I want to save locally, for example in /tmp or dbfs:/tmp and after sending it to ...
- 10683 Views
- 3 replies
- 1 kudos
- 1 kudos
I am experiencing the same problem. I create a file in /tmp and can verify that it exists. But when an attempt is made to open the file using pyspark, the file is not found. I noticed that the path I used to create the file is /tmp/foobar.parquet and...
- 1 kudos
- 3041 Views
- 7 replies
- 0 kudos
Assistance needed on DQX framework as we are referring GitHub resource but not enough details
Hi Community Experts,I hope this message finds you well. Our team is currently working on enhancing data quality within our Databricks environment and we are utilizing the Databricks DQX framework for this purpose. We are seeking detailed guidance an...
- 3041 Views
- 7 replies
- 0 kudos
- 0 kudos
Hi shubham,How are you doing today?, It’s great to see your team focusing on data quality using the DQX framework—it’s a solid tool for keeping your data clean and reliable. To get started, I’d suggest beginning with simple checks like NOT NULL, IN R...
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