- 6284 Views
- 10 replies
- 7 kudos
- 6284 Views
- 10 replies
- 7 kudos
- 6435 Views
- 3 replies
- 6 kudos
Resolved! Can we use spark-stream to read/write data from mysql? I can't find an example.
If someone can link me an example where stream is used to read or write to mysql please do.
- 6435 Views
- 3 replies
- 6 kudos
- 6 kudos
Regarding writing (sink) is possible without problem via foreachBatch .I use it in production - stream autoload csvs from data lake and writing foreachBatch to SQL (inside foreachBatch function you have temporary dataframe with records and just use w...
- 6 kudos
- 7339 Views
- 5 replies
- 1 kudos
Parallel processing of json files in databricks pyspark
How we can read files from azure blob storage and process parallel in databricks using pyspark.As of now we are reading all 10 files at a time into dataframe and flattening it.Thanks & Regards,Sujata
- 7339 Views
- 5 replies
- 1 kudos
- 1 kudos
spark.read.json("/mnt/dbfs/<ENTER PATH OF JSON DIR HERE>/*.jsonyou first have to mount your blob storage to databricks, I assume that is already done.https://spark.apache.org/docs/latest/sql-data-sources-json.html
- 1 kudos
- 4074 Views
- 5 replies
- 0 kudos
Resolved! How to use from standalone Spark Jar running from Intellij Idea the library installed in Databricks DBR?
Hello, I tried without success to use several libraries installed by use in the Databricks 9.1 cluster (not provived by default in DBR) from a standalone Spark application runs from Intellij Idea. For instance, for connecting to Redshift it works onl...
- 4074 Views
- 5 replies
- 0 kudos
- 0 kudos
Unfortunately, I did not find any solution. We have to package JAR and run it from Databricks job for test/debug. Not efficient but as no solution for remote debug has been found/provided.
- 0 kudos
- 6846 Views
- 5 replies
- 13 kudos
Resolved! ADF Pipeline - Notebook Run time
In adf/pipeline can we specify to exit notebook and proceed to another notebook after some threshold value like 15 minutes. For example I have a pipeline with notebooks scheduled in sequence, want the pipeline to keep running that notebook for a cert...
- 6846 Views
- 5 replies
- 13 kudos
- 13 kudos
Hi @Vibhor Sethi​ ,There is a global timeout in Azure Data Factory (ADF) that you can use to stop the pipeline. In addition, you can use the notebook timeout in case you want to control it from your Databricks job.
- 13 kudos
- 8141 Views
- 2 replies
- 1 kudos
Resolved! Dynamic Partition Pruning override
Hello everybody,Another strange issue I have and I would like to confirm me if this is a bug or expected behaviour:I'm joining a large dataset with a dimension table and as expected DPP is activated.I was trying to deactivate the feature as it change...
- 8141 Views
- 2 replies
- 1 kudos
- 1 kudos
Hello @Kaniz Fatma​ Thank you for taking the time to answer.The issue in this case was that spark.databricks.optimizer.deltaTableFilesThreshold was activating DPP even if it was formally deactivated by setting all available "enabled" properties to f...
- 1 kudos
- 1403 Views
- 1 replies
- 2 kudos
Resolved! Databricks Spark Certification
Hello, I have been preparing for the for a while. I have seen here that the exam is mostly about remembering syntax details and some general understanding of the spark's internal architecture. I am VidMate just wondering if there are some exa Mobdro...
- 1403 Views
- 1 replies
- 2 kudos
- 2 kudos
I recommend practice tests on Udemy. There is also available practice exam from data-bricks training.I haven't found others.
- 2 kudos
- 1486 Views
- 1 replies
- 1 kudos
Resolved! Spark UI is not working for completed jobs
Spark UI is not working for completed jobs
- 1486 Views
- 1 replies
- 1 kudos
- 1 kudos
Jobs executed from API jobs or Azure data factory are for example not available in spark management console.It can be also issue with community edition or spark settings.
- 1 kudos
- 2848 Views
- 1 replies
- 1 kudos
Resolved! Schema inferrence CSV picks up \r carriage returns
I'm using: frame = spark.read.csv(path=bucket+folder, inferSchema = True, header = True, multiLine=True ) to read in a series of CSV ...
- 2848 Views
- 1 replies
- 1 kudos
- 1 kudos
Files saved in Windows operation system contain carriage return and line feed in every line.Please add following option it can help: .option("ignoreTrailingWhiteSpace", true)
- 1 kudos
- 3010 Views
- 1 replies
- 4 kudos
Resolved! How to distinguish arrow-key from escape character with getch in C?
I want to know weather an arrow key or the escape character has ben pressed. But in order to check which arrow key has been pressed I need to do multiple blocking getch-calls bc the arrow-key sequence is bigger than 1 char. This is a problem when I c...
- 3010 Views
- 1 replies
- 4 kudos
- 4 kudos
getch () function returns two keycodes for arrow keys. Arrow put to getch '\033' and '[' and letter from A to D (up, down, right, left) so code will be something like:if (getch() == '\033') { getch(); // [ value switch(getch()) { ...
- 4 kudos
- 4545 Views
- 3 replies
- 4 kudos
Resolved! Exception in thread "main" org.apache.spark.sql.AnalysisException: Cannot modify the value of a Spark config: spark.executor.memory;
I am trying to read a 16mb excel file and I was getting a gc overhead limit exceeded error to resolve that i tried to increase my executor memory with,spark.conf.set("spark.executor.memory", "8g")but i got the following stack :Using Spark's default l...
- 4545 Views
- 3 replies
- 4 kudos
- 4 kudos
On the cluster configuration page, go to the advanced options. Click it to expand the field. There you will find the Spark tab and you can set the values there in the "Spark config".
- 4 kudos
- 7624 Views
- 9 replies
- 8 kudos
Resolved! Getting Null values at the place of data which was removed manually from excel file( solved )
I was reading an excel file with one column,country india India india India indiadataframe i got from this data : df.show()+-------+ |country| +-------+ | india | | India | | india | | India | | india | +-------+In the next step i removed last value ...
- 7624 Views
- 9 replies
- 8 kudos
- 8 kudos
@sarvesh singh​ - Thank you for letting us know. Would you be happy to mark the best answer so others can find the solution easily?
- 8 kudos
- 3856 Views
- 4 replies
- 2 kudos
Resolved! How to transfer ownership of a Databricks cloud standard account?
My email address is the owner of an account in a particular standard plan tenancy. I would like to transfer ownership to another user so they can change billing details, and take admin access going forward. How can this be accomplished?
- 3856 Views
- 4 replies
- 2 kudos
- 2 kudos
Hi @David Allen​ To transfer account owner rights, contact your Databricks account representative. This is applicable for both legacy and E2 accounts.https://docs.databricks.com/administration-guide/account-settings/account-console.html#access-the-ac...
- 2 kudos
- 3043 Views
- 4 replies
- 3 kudos
- 3043 Views
- 4 replies
- 3 kudos
- 3 kudos
You may have noticed that the local SQL endpoint is not listed in the options for getting started with APEX. The local SQL endpoint is an extremely useful feature for getting ADO.NET web services started. I say check this uk-dissertation.com review f...
- 3 kudos
- 4669 Views
- 6 replies
- 1 kudos
Hi Guys Is there any documentation on where the /databricks-datasets/ mount is actually served from?We are looking at locking down where our workspace...
Hi GuysIs there any documentation on where the /databricks-datasets/ mount is actually served from?We are looking at locking down where our workspace can reach out to via the internet and as it currently stands we are unable to reach this.I did look ...
- 4669 Views
- 6 replies
- 1 kudos
- 1 kudos
Hello Mat, Thanks for letting us know. Would you be happy to mark your answer as best if that will solve the problem for others? That way, members will be able to find the solution more easily.
- 1 kudos
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