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I attended the Advanced Machine Learning with Databricks training last week virtually I am still unable to get the day 2 session videos of any of the Instructor led Paid Trainings. They are supposed to be available for replay with in 24 hours but I ...
Hi,I have encountered a problem using spark, when creating a dataframe from a raw json source.I have defined an schema for my data and the problem is that when there is a mismatch between one of the column values and its defined schema, spark not onl...
@Farzad Bonabi :Thank you for reporting this issue. It seems to be a known bug in Spark when dealing with malformed decimal values. When a decimal value in the input JSON data is not parseable by Spark, it sets not only that column to null but also ...
I am moving my Spark workloads from EMR/on-premise Spark cluster to Databricks. I understand Databricks Spark is different from Yarn. How is the Databricks architecture different from yarn?
Hi All, I have a scenario where my Exisiting Delta Table looks like below:Now I have an incremental data with an additional column i.e. owner:Dataframe Name --> scdDFBelow is the code snippet to merge Incremental Dataframe to targetTable, but the new...
In Databricks Runtime 15.2 and above, you can specify schema evolution in a merge statement using SQL or Delta table APIs:MERGE WITH SCHEMA EVOLUTION INTO targetUSING sourceON source.key = target.keyWHEN MATCHED THENUPDATE SET *WHEN NOT MATCHED THENI...
"Notebook detached Exception when creating execution context: java.net.SocketTimeout Exception: Connect Timeout" when trying to connect my cluster to a notebook. Then "Error trying to handle that request We failed to handle that request, please try a...
I want to add custom logs that redirect in the Spark driver logs. Can I use the existing logger classes to have my application logs or progress message in the Spark driver logs.
1) Is it possible to save all the custom logging to its own file? Currently it is being logging with all other cluster logs (see image) 2) Also Databricks it seems like a lot of blank files are also being created for this. Is this a bug? this include...
I am facing the same issues . I am writing in batches using a simple for loop. I don't have any collect statements inside the loop. I am rewriting the partitions with partition overwrite dynamic mode in a huge wide delta table - several tb. The incr...
Hi,I gave Databricks Certified Associate Developer for Apache Spark 3.0 exam today but missed by one percent. I got 68.33% and pass is 70%.I am planning to reattempt the exam, could you kindly give me another opportunity and provide reattempt voucher...
Hi,I gave Databricks Certified Associate Developer for Apache Spark 3.0 Python exam yesterday but missed by three percent. I got 66.66% and pass is 70%.I am planning to reattempt the exam, could you kindly give me another opportunity and provide reat...
KB Feedback DiscussionIn addition to the Databricks Community, we have a Support team that maintains a Knowledge Base (KB). The KB contains answers to common questions about Databricks, as well as information on optimisation and troubleshooting.These...
Hello,I found an issue with the Apache Spark™ Programming with Databricks courses on Databricks Academy when trying to do the labs. The mount that the courses use for training data is failing with what looks to me like an authentication issue (see sc...
I found the course Git Repo at (https://github.com/databricks-academy/apache-spark-programming-with-databricks-english), this works so using that instead of the 'apache-spark-programming-with-databricks.dbc' file available in the learning portal. #DA...
Dear Databricks Certification Team,Unfortunately, I was unable to take the exam as scheduled due to an unforeseen power breakdown in my area. The power outage occurred just before the exam, rendering me unable to access the necessary resources to com...
I am getting an error about the `drop function of pyspark` at a cluster using 12.2 LTS. When I check the error I see spark solved that bug, see SPARK-42444. Also when I check maintenance updates page, I saw this solved issue included the Databricks R...
Hi @Sevval Mehder Elevate our community by acknowledging exceptional contributions. Your participation in marking the best answers is a testament to our collective pursuit of knowledge.
My dilemma is this - We use PySpark to connect to external data sources via jdbc from within databricks. Every time we issue a spark command, it spits out the connection options including the username, url and password which is not advisable. So, is ...
I have scheduled an examination on 1st June 2023 and due to personal reason, I have cancelled the examination on 26th May 2023 (more than 72 hours) but I am yet to receive the refund amount. In the auto generated mail it is mentioned that the refund ...
