- 2572 Views
- 3 replies
- 0 kudos
Perform row_number() filter in autoloader
I have created an autoloader job that reads data from S3 (files with no extension) having json using (cloudFiles.format, text). Now this job is suppose to run every 4 hours and read all the new data that arrived. But before writing into a delta table...
- 2572 Views
- 3 replies
- 0 kudos
- 0 kudos
HI @hkmodi ,Basically, as @daniel_sahal said, bronze layer should reflect the source system. The silver layer is dedicated for deduplication/cleaning/enrichment of dataset. If you still need to deduplicate at bronze layer you have 2 options:- use me...
- 0 kudos
- 5894 Views
- 3 replies
- 1 kudos
Not able to mount ADLS Gen2 in Data bricks
py4j.security.Py4JSecurityException: Method public com.databricks.backend.daemon.dbutils.DBUtilsCore$Result com.databricks.backend.daemon.dbutils.DBUtilsCore.mount(java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.util.Map) is ...
- 5894 Views
- 3 replies
- 1 kudos
- 1 kudos
Hi , have you sorted this issue ? can you please let me know the solution?
- 1 kudos
- 2359 Views
- 6 replies
- 0 kudos
Data shifted when a pyspark dataframe column only contains a comma
I have a dataframe containing several columns among which 1 contains, for one specific record, just a comma, nothing else.When displaying the dataframe with the commanddisplay(df_input.where(col("erp_vendor_cd") == 'B6SA-VEN0008838')) The data is dis...
- 2359 Views
- 6 replies
- 0 kudos
- 633 Views
- 1 replies
- 0 kudos
How to optimize queries on a 150B table? ZORDER, LC or partioning?
Hi!I am struggling to understand how to properly manage my table to make queries effective. My table has columns date_time_utc, car_id, car_owner etc. date_time_utc, car_id and position is usually the ZORDER or Liquid Clustering-columns.Selecting max...
- 633 Views
- 1 replies
- 0 kudos
- 0 kudos
1. According to the databricks yes But as always, I recommend to perform benchamarks yourself. There a lot of blog posts, that are saying that it's not alway the case. Yesterday, I was at data community event and presenter did several benchmark and ...
- 0 kudos
- 1223 Views
- 2 replies
- 0 kudos
Resolved! DLT error at validation
Hello,I'm creating a DLT pipeline with Databricks on AWS. After creating an external location for my bucket, I encountered the following error:DataPlaneException: [DLT ERROR CODE: CLUSTER_LAUNCH_FAILURE.CLIENT_ERROR] Failed to launch pipeline cluster...
- 1223 Views
- 2 replies
- 0 kudos
- 0 kudos
Hi!The error was related to the roles and permissions created when the workspace was set up. I reloaded the setup script in a new workspace, and it worked without problems.Hope it helps anyone in the future.Thanks!
- 0 kudos
- 1314 Views
- 1 replies
- 2 kudos
Lakehouse Federation with OAuth connection to Snowflake
Hi!We have a lot use cases were we need to load data from Snowflake into Databricks, where users are using both R and Python for further analysis and machine learning. For this we have been using Lakehouse Federation combined with basic auth, but are...
- 1314 Views
- 1 replies
- 2 kudos
- 2 kudos
For anyone interested: We solved this by building an OAuth integration to Snowflake ourselfs using Entra ID: https://community.snowflake.com/s/article/External-oAuth-Token-Generation-using-Azure-ADWe also created some simple Python and R-packages tha...
- 2 kudos
- 6311 Views
- 5 replies
- 2 kudos
Graphframes not importing on Databricks 9.1 LTS ML
Is Graphframes for python meant to be installed by default on Databricks 9.1 LTS ML? Previously I was running the attached python command on 7.3 LTS ML with no issue, however now I am getting "no module named graphframes" when trying to import the pa...
- 6311 Views
- 5 replies
- 2 kudos
- 2 kudos
Hi @MuthuLakshmi , As per the documentation it was mentioned that graphframes comes preinstalled in databricks runtime for machine learning. but when trying to import the python module of graphframes, getting no module found error.from graphframes i...
- 2 kudos
- 19576 Views
- 4 replies
- 0 kudos
Reason: Remote RPC client disassociated. Likely due to containers exceeding thresholds, or network issues. Check driver logs for WARN messages. Driver stacktrace
We are using the databricks 3 node cluster with 32 GB memory. It is working fine but some times it automatically throwing the error: Remote RPC client disassociated. Likely due to containers exceeding thresholds, or network issues.
- 19576 Views
- 4 replies
- 0 kudos
- 0 kudos
If your job fails follow this:According to https://docs.databricks.com/jobs.html#jar-job-tips: "Job output, such as log output emitted to stdout, is subject to a 20MB size limit. If the total output has a larger size, the run will be canceled and ma...
- 0 kudos
- 4594 Views
- 7 replies
- 0 kudos
Attaching to Serverless from Azure Data Factory via Service Principal
Hi,We have issues trying to run Databricks notebooks orchestrated with Azure Data Factory. We have been doing this for a while now without any issues when we use Job Clusters, Existing General Purpose Clusters, or Cluster Pools. We use an Azure Data ...
- 4594 Views
- 7 replies
- 0 kudos
- 0 kudos
Does the service principal has access and permission for the notebook?
- 0 kudos
- 4440 Views
- 4 replies
- 3 kudos
ganglia is unavailable on DBR 13.0
We created a library in databricks to ingest ganglia metrics for all jobs in our delta tables;However end point 8652 is no more available on DBR 13.0is there any other endpoint available ? since we need to log all metrics for all executed jobs not on...
- 4440 Views
- 4 replies
- 3 kudos
- 3 kudos
You should have a look here: https://community.databricks.com/t5/data-engineering/azure-databricks-metrics-to-prometheus/td-p/71569
- 3 kudos
- 1093 Views
- 3 replies
- 0 kudos
Flattening JSON while also keep embedded types
I'm attempting to create DLT tables from a source table that includes an "data" column that is a JSON string. I'm doing something like this: sales_schema = StructType([ StructField("customer_id", IntegerType(), True), StructField("order_numbers",...
- 1093 Views
- 3 replies
- 0 kudos
- 0 kudos
To ensure that the "value" field retains its integer type, you can explicitly cast it after parsing the JSON. from pyspark.sql.functions import col, from_json, expr from pyspark.sql.types import StructType, StructField, IntegerType, ArrayType, LongTy...
- 0 kudos
- 1187 Views
- 1 replies
- 1 kudos
Resolved! does stream.stop() generates "ERROR: Query termination received for []" automatically?
Whenever code contains stream.stop() in STDERR (in cluster logs) I get an error like:ERROR: Query termination received for [id=b7e14d07-f8ad-4ae6-99de-8a7cbba89d86, runId=5c01fd71-2d93-48ca-a53c-5f46fab726ff]No other message, even if I try to try-cat...
- 1187 Views
- 1 replies
- 1 kudos
- 1 kudos
@xhudik does stream.stop() generates "ERROR: Query termination received for []" automatically?Yes, this is generated when there is stream.stop() in stdderIs ERROR: Query termination received for [] dangerous, or it is just ans info stream was closed?...
- 1 kudos
- 946 Views
- 1 replies
- 0 kudos
Describe history operationMetrics['materializeSourceTimeMs']
Hi, during some checks on MERGE execution , I was running the describe history command and in the operationMetrics column I noticed this information : operationMetrics['materializeSourceTimeMs'] .I haven't found that metric in the documentation so I...
- 946 Views
- 1 replies
- 0 kudos
- 0 kudos
@roberta_cereda If it’s specific to “materializeSourceTimeMs” then it’s “time taken to materialize source (or determine it's not needed)”
- 0 kudos
- 2024 Views
- 3 replies
- 1 kudos
Resolved! Error while loading mosaic in notebook - TimeoutException: Futures timed out after [80 seconds]
I am working on reading spatial data with mosaic and gdal Previously I used databricks mosaic = 0.3.9 version with databricks cluster = 12.2 LTS version With following command - %pip install databricks-mosaic==0.3.9 --quiet Now It's giving timeout er...
- 2024 Views
- 3 replies
- 1 kudos
- 1 kudos
Hi @pranav_k1,Thanks for confirming it worked for you now!I see that the usual %pip install databricks-mosaic cannot install due to the fact that it has thus far allowed geopandas to essentially install the latest... As of geopandas==0.14.4, the vers...
- 1 kudos
- 4639 Views
- 2 replies
- 1 kudos
applyInPandas function hangs in runtime 13.3 LTS ML and above
Hello, recently I've tried to upgrade my runtime env to the 13.3 LTS ML and found that it breaks my workload during applyInPandas.My job started to hang during the applyInPandas execution. Thread dump shows that it hangs on direct memory allocation: ...
- 4639 Views
- 2 replies
- 1 kudos
- 1 kudos
Hi @Debayan the link just redirects to the same thread? Is there any update on this issue?We share some similar issue on job hanging using mapInPandas.
- 1 kudos
| User | Count |
|---|---|
| 1616 | |
| 790 | |
| 466 | |
| 349 | |
| 287 |
