- 6454 Views
- 8 replies
- 7 kudos
Resolved! write file as csv format
Is there any simple pyspark syntax to write data in csv format into a file or anywhere in free edition of databrick? in community edition , it was so easy
- 6454 Views
- 8 replies
- 7 kudos
- 7 kudos
@pop_smoke no worries! My background is with Alteryx (ETL tool). I too am learning Databricks . I look forward to seeing you in the forum ☺️. Please share any cool things you find or any projects you do .All the best,BS
- 7 kudos
- 1396 Views
- 1 replies
- 0 kudos
How to configure a Job-Compute for Unity Catalog Access? (Q/A)
If you need to access tables that are in a volume of Unity Catalog (UC), with the following configuration will work:targets: dev: mode: development default: true workspace: host: https://<workspace>.azuredatabricks.net/ run_as...
- 1396 Views
- 1 replies
- 0 kudos
- 0 kudos
Hello @PabloCSD Good day!Are you asking or like what are you expectations?Additions to this: You cannot create or register tables (managed or external) with locations pointing to volumes, as this is explicitly not supported—tables must use tabular st...
- 0 kudos
- 16977 Views
- 5 replies
- 2 kudos
Resolved! Using managed identities to access SQL server - how?
Hello! My company wants us to only use managed identities for authentication. We have set up Databricks using Terraform, got Unity Catalog and everything, but we're a very small team and I'm struggling to control permissions outside of Unity Catalog....
- 16977 Views
- 5 replies
- 2 kudos
- 2 kudos
As of today, you can use https://learn.microsoft.com/en-us/azure/databricks/connect/unity-catalog/cloud-services/service-credentials
- 2 kudos
- 3075 Views
- 2 replies
- 0 kudos
CPU usage and idle time metrics from system tables
I need to get my compute metric, not from the UI...the system tables has not much informations, node_timeline has per minute record metric so it's difficult to calculate each compute CPU usage per day. Any way we can get the CPU usage,CPU idle time,M...
- 3075 Views
- 2 replies
- 0 kudos
- 0 kudos
To calculate CPU usage, CPU idle time, and memory usage per cluster per day, you can use the system.compute.node_timeline system table. However, since the data in this table is recorded at per-minute granularity, it’s necessary to aggregate the data ...
- 0 kudos
- 3024 Views
- 5 replies
- 1 kudos
Resolved! Unable to retrieve all rows of delta table using SQL endpoint of Interactive Cluster
Hi,I am trying to query a table using JDBC endpoint of Interactive Cluster. I am connected to JDBC endpoint using DBeaver. When I export a small subset of data 2000-8000 rows, it works fine and export the data. However, when I try to export all rows ...
- 3024 Views
- 5 replies
- 1 kudos
- 1 kudos
Hi @fly_high_five,I found these references about this situation, see if they help you: increase the SocketTimeout in JDBC (Databricks KB “Best practices when using JDBC with Databricks SQL” – https://kb.databricks.com/dbsql/job-timeout-when-connectin...
- 1 kudos
- 2238 Views
- 4 replies
- 2 kudos
Resolved! Exposing Data for Consumers in non-UC ADB
Hi,I want to expose data to consumers from our non-UC ADB. Consumers would be consuming data mainly using SQL client like DBeaver. I tried SQL endpoint of Interactive Cluster and connected via DBeaver however when I try to fetch/export all rows of t...
- 2238 Views
- 4 replies
- 2 kudos
- 2 kudos
Hi @szymon_dybczak I am using latest JDBC driver 2.7.3 https://www.databricks.com/spark/jdbc-drivers-archiveAnd my JDBC url comes from JDBC endpoint of Interactive Cluster.jdbc:databricks://adb-{workspace_id}.azuredatabricks.net:443/default;transport...
- 2 kudos
- 6808 Views
- 10 replies
- 22 kudos
Unable to read excel file from Volume
Hi, I'am trying to read excel file directly from Volume (not workspace or filestore) -> all examples on the internet use workspace or filestore. Volume is external location so I can read from there but I would like to read directly from Volume. I hav...
- 6808 Views
- 10 replies
- 22 kudos
- 22 kudos
@ck7007 thanks for the update. Absolutely love that you've tested the solution too! Big props . As you mention, if we keep the community accurate, it'll mean that when someone else searches for the thread, they don't end up using an incorrect solutio...
- 22 kudos
- 758 Views
- 1 replies
- 0 kudos
Data bricks Connot run pipeline
found that when I run the pipeline, it shows the message "'Cannot run pipeline', 'PL_TRNF_CRM_SALESFORCE_TO_BLOB', "HTTPSConnectionPool(host='management.azure.com', port=443) It doesn't happen on every instance, but I encounter this case often.
- 758 Views
- 1 replies
- 0 kudos
- 0 kudos
What exactly does the pipeline do? Fetch data from a source system? I also see Data Factory as a component?
- 0 kudos
- 788 Views
- 1 replies
- 1 kudos
Impact of Capturing Streaming Metrics to ADLS on Data Load Performance
Hi Community,I’m working on capturing Structured Streaming metrics and persisting them to Azure Data Lake Storage (ADLS) for monitoring and logging. To achieve this, I implemented a custom StreamingQueryListener that writes streaming progress data as...
- 788 Views
- 1 replies
- 1 kudos
- 1 kudos
Hi @saicharandeepb ,The behaviour you're experiencing can happen with coalesce. The thing is, when you use coalesce(1), you're sacrificing parallelism and everything is performed on a single executor.There's even a warning in Apache Spark OSS regardi...
- 1 kudos
- 1559 Views
- 2 replies
- 0 kudos
DLT Pipeline and Pivot tables
TLDR:Can DLT determine a dynamic schema - one which is generated from the results of a pivot?IssueI know you cant use spark `.pivot` in DLT pipeline and that if you wish to pivot data you need to do that outside of the DLT decorated functions. I have...
- 1559 Views
- 2 replies
- 0 kudos
- 0 kudos
Thank you for the reply - I have tried this (it was suggested in earlier solutions); but that may well be a side effect of the above function.query = f""" SELECT pivot_key, {select_clause} FROM data...
- 0 kudos
- 1470 Views
- 3 replies
- 1 kudos
Cost attribution based on table history statistics
Hello all,I have a job that processes 50 tables - 25 belong to finance, 20 belong to master data, 5 belong to supply chain data domains.Now, imagine the job ran for 14 hours and did cost me 1000 euros on a day. If I like to attribute the per day cost...
- 1470 Views
- 3 replies
- 1 kudos
- 1 kudos
Root Cause / Why executionTimeMs isn’t idealexecutionTimeMs includes everything the job did:Waiting for resourcesShuffle, GC, or network latencyContention with other concurrent jobsUsing this to allocate costs can misattribute costs, especially if so...
- 1 kudos
- 8550 Views
- 15 replies
- 17 kudos
Resolved! Ingesting 100 TB raw CSV data into the Bronze layer in Parquet + Snappy
Problem i am trying to solve:Bronze is the landing zone for immutable, raw data.At this stage, i am trying to sse a columnar format (Parquet or ORC) → good compression, efficient scans. and then apply lightweight compression (e.g., Snappy) → balances...
- 8550 Views
- 15 replies
- 17 kudos
- 17 kudos
@szymon_dybczak @BS_THE_ANALYST @Coffee77 @TheOC the use case summary is as eblow The use case: A telecom operator wants to minimize unnecessary truck rolls (sending technicians to customer sites), which cost $100–$200 per visit.Data sources feeding...
- 17 kudos
- 3055 Views
- 10 replies
- 4 kudos
Maven libraries in VNet injected, UC enabled workspace on Standard Access Mode Cluster
Hi!As the title suggests, I want to install Maven libaries on my cluster with access mode 'Standard'. Our workspace is VNet injected and has Unity Catalog enabled.The coordinates have been allowlisted by the account team according to these instructio...
- 3055 Views
- 10 replies
- 4 kudos
- 4 kudos
We have resolved the Metastore issue, which also seemed to have resolved the JAR issue. I don't have a clue why this resolves it. The network people might have used service tags which also opened the workspace to the odbc connections?
- 4 kudos
- 2467 Views
- 4 replies
- 1 kudos
Resolved! read json files on unity catalog
Hello Guys, I have some issue when i load several json files which have a same schema on databricks. when i do2025_07_17_19_55_00_2025_07_31_21_55_00_17Q51D_alice_out.json 516.13 KB2025_07_17_19_55_00_2025_07_31_21_55_00_17Q51D_bob_out.json 516.13 K...
- 2467 Views
- 4 replies
- 1 kudos
- 1 kudos
Hello @szymon_dybczak , Its Ok i have check the history of the table. I'm so confuse about the command display() output and the really output write operationThanx
- 1 kudos
- 2420 Views
- 3 replies
- 2 kudos
Read polars from recently created csv file
More and more python packages transition to use polars instead of e.g. pandas. There is a problem with this in databricks when trying to read a csv file with it using pl.read_csv("filename.csv") when the file has been created in the same notebook cel...
- 2420 Views
- 3 replies
- 2 kudos
- 2 kudos
Hello @victorNilsson Thank you for letting me know how to replicate the issue, I was able to get the same error this time. I've given the problem another go and think I have been able to fix it by specifying the output path as "/tmp/test.csv". By wri...
- 2 kudos
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