- 3695 Views
- 1 replies
- 4 kudos
My DLT pipeline return ACL Verification Failed
Python Commanddf = spark.read.format('csv').option('sep', ';').option("recursiveFileLookup", "true").load('dbfs:/***/data_files/PREVISIONS/')Here is the content of the folder Each folder contain the following files: Full logorg.apache.spark.sql.stre...
- 3695 Views
- 1 replies
- 4 kudos
- 4 kudos
Yes some of the files I don't have the right to access (mistakenly) In this case, how do you think I can tell DTL to handle this exception and ignore the file, since I can read some files but not all?
- 4 kudos
- 2193 Views
- 1 replies
- 2 kudos
How to jump back to latest positions in the Notebook
Hi,when developing I often need to jump around the Notebook to fix and run things. It would be really helpful so I can jump back to several latest positions (cells), similarly, like in Office Word by SHIFT+F5 key. Is here a way now in Databricks?Than...
- 2193 Views
- 1 replies
- 2 kudos
- 2 kudos
@Retko Okter​ go to any of notebook and click on help-->keyboard shortcuts, they will show all possibilities that you need
- 2 kudos
- 2597 Views
- 2 replies
- 3 kudos
course code - 'ACAD-INTRO-DELTALAKE' Notebook has errors
Dear DB Team,While following a course from DB Academy course code - 'ACAD-INTRO-DELTALAKE' noticed the notebooks has errors can you please check i have also attached the notebookRegards,Rakesh
- 2597 Views
- 2 replies
- 3 kudos
- 3 kudos
Hi @Rakesh Reddy Gopidi​ Hope all is well! Just wanted to check in if you were able to resolve your issue and would you be happy to share the solution or mark an answer as best? Else please let us know if you need more help. We'd love to hear from yo...
- 3 kudos
- 4520 Views
- 3 replies
- 4 kudos
Resolved! dropDuplicates
Afternoon Community!! I've done some research today and found multiple, great approaches to accomplish what I'm trying to do, but having trouble understanding exactly which is best suited for my use case.Suppose you're running Auto Loader on S3 and u...
- 4520 Views
- 3 replies
- 4 kudos
- 4 kudos
If you records are partitioned to narrow down your search, then can you try writing an upsert logic after autoloader code?The upsert logic will insert, update or drop rows as per your conditions.
- 4 kudos
- 24459 Views
- 3 replies
- 7 kudos
Resolved! can we update a Parquet file??
i have copied a table in to a Parquet file now can i update a row or a column in a parquet file without rewriting all the data as the data is huge.using Databricks or ADFThank You
- 24459 Views
- 3 replies
- 7 kudos
- 7 kudos
You can only append Data with Parquet that's why you need to convert your parquet table to Delta. It will be much easier.
- 7 kudos
- 13441 Views
- 5 replies
- 5 kudos
Resolved! Override and Merge mode write using AutoLoader in Databricks
We are reading files using Autoloader in Databricks. Source system is giving full snapshot of complete data in files. So we want to read the data and write in delta table in override mode so all old data is replaced by the new data. Similarly for oth...
- 13441 Views
- 5 replies
- 5 kudos
- 5 kudos
@Ranjeet Jaiswal​ ,afaik merge is supported:https://docs.databricks.com/_static/notebooks/merge-in-streaming.htmlThis link does some aggregation but that can be ommitted of course.​The interesting part here is outputMode("update"), and the foreachBat...
- 5 kudos
- 3898 Views
- 4 replies
- 6 kudos
Where to find documentation about : spark.databricks.driver.strace.enabled
Hello ,For a support request, Microsoft support ask me to add spark.databricks.driver.strace.enabled trueto my cluster configuration.MS was not able to send me a link to the documentation and I did not find it on the databricks website.Can someone he...
- 3898 Views
- 4 replies
- 6 kudos
- 6 kudos
Yes no problem. I have a python program, called "post ingestion", that run on a databricks job cluster during the night and consist of :inserting data to a deltalake tableexecuting an optimize command on that tableexecuting a vacuum command on that t...
- 6 kudos
- 2942 Views
- 2 replies
- 3 kudos
Resolved! Don't receiving password reset email
Hi, our admin created new user in https://accounts.cloud.databricks.com/ with my email dusan.vystrcil@datasentics.com ​But I didn't received any confirmation email. When I try to sign in and click on "reset password", I still didn't received any emai...
- 2942 Views
- 2 replies
- 3 kudos
- 3 kudos
Hi @karthik p​ Thank you for reaching out, and we’re sorry to hear about this log-in issue! We have this Community Edition login troubleshooting post on Community. Please take a look, and follow the troubleshooting steps. If the steps do not resolve ...
- 3 kudos
- 1656 Views
- 0 replies
- 6 kudos
Happy to share that #WAVICLE​ was able to do a hands-on workshop on #[Databricks notebook]​ #[Databricks SQL]​ #[Databricks cluster]​ Fundamentals wi...
Happy to share that #WAVICLE​ was able to do a hands-on workshop on #[Databricks notebook]​ #[Databricks SQL]​ #[Databricks cluster]​ Fundamentals with KCT College, Coimbatore, India.
- 1656 Views
- 0 replies
- 6 kudos
- 2058 Views
- 1 replies
- 3 kudos
Hi I'm Deiry �� I'm 25 (almost 26) years old, I'm a Databricks expert ��  Or at least that's my goal I work at Celerik....
Hi I'm Deiry I'm 25 (almost 26) years old, I'm a Databricks expert Or at least that's my goalI work at Celerik.My goal is to be a certified Machine Learning professional, so here we go
- 2058 Views
- 1 replies
- 3 kudos
- 3 kudos
Very confident, go ahead. :D​
- 3 kudos
- 3352 Views
- 3 replies
- 1 kudos
Resolved! When should I use STREAM() when defining a DLT table?
Hi, I am a little confused when I should use STREAM() when we define a table based on a DLT table. There is a pattern explained in the documentation. CREATE OR REFRESH STREAMING LIVE TABLE streaming_bronze AS SELECT * FROM cloud_files( "s3://p...
- 3352 Views
- 3 replies
- 1 kudos
- 1 kudos
Thanks @Landan George​ Since "streaming_silver" is a streaming live table, I expected the last line of the code to be:AS SELECT count(*) FROM STREAM(LIVE.streaming_silver) GROUP BY user_idBut, as you can see the "live_gold" is defined by: AS SELECT c...
- 1 kudos
- 1469 Views
- 0 replies
- 0 kudos
- 1469 Views
- 0 replies
- 0 kudos
- 2282 Views
- 2 replies
- 2 kudos
ADLS Gen 2 Delta Tables memory allocation
if i mount a gen2(ADLS 1) to another gen2(ADLS2) account and create a delta table on ADLS2 will it copy the data or just create something link External table.i don't want to duplicate the the data.
- 2282 Views
- 2 replies
- 2 kudos
- 2 kudos
Hi @keerthi kumar​ ,so basically you can CREATE EXTERNAL TABLES on top of the data stored somewhere - in your case ADLS. Data won't be copied, it will stay where it is, by creating external tables you are actually storing the metadata in your metasto...
- 2 kudos
- 2529 Views
- 2 replies
- 1 kudos
Would like to start a discussion regarding techniques for joining two relatively large tables of roughly equal size on a daily basis. I realize this may be a bit of a conundrum with databricks, but review the details.
Input Data:One batch load of a daily dataset, roughly 10 million items a day of transactions.Another daily batch load of roughly the same size.Each row in one dataset should have a corresponding row in the other dataset.Problem to solve:The problem i...
- 2529 Views
- 2 replies
- 1 kudos
- 1 kudos
I've dealt with something similar in the past.There was an order system that had order items that was supposed to be matched up against corresponding products in another system that acted as a master and handled invoicing.As for unqiue considerations...
- 1 kudos
- 20651 Views
- 2 replies
- 12 kudos
Resolved! How can Delta table protocol version be downgraded from higher version to lower version the table properties minReader from 2 to 1 and MaxWriter from 5 to 3.
Is there a possibility to downgrade the Delta Table protocol versions minReader from 2 to 1 and maxWriter from 5 to 3? I have set the TBL properties to 2 and 5 and columnmapping mode to rename the columns in the DeltaTable but the other users are rea...
- 20651 Views
- 2 replies
- 12 kudos
- 12 kudos
Unfortunately You can't downgrade the version. it's an irreversible operation.
- 12 kudos
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