- 2389 Views
- 2 replies
- 0 kudos
"desc history" shows versions older than the default logRetentionDuration of 30 days
I have a cdc enabled table where no data changes were made since July 28. Then updates started occurring from November 22 onwards. The first checkpoint occurred on Nov 28. Based on the corresponding timestamp of checkpoint and log files, it looks lik...
- 2389 Views
- 2 replies
- 0 kudos
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Hi @Laval Liahkim​, could you please try running the VACUUM with 30 days retention?Please confirm when you last run the cmd with the 30-day retention period. Also, when you created this table and do you see old data files were deleted?Also, when disk...
- 0 kudos
- 5035 Views
- 3 replies
- 0 kudos
How to debug Workflow Jobs timing out and DLT pipelines running forever?
So I'm the designated data engineer for a proof of concept we're running, I'm working with one infrastructure guy who's setting up everything in Terraform (company policy). He's got the setup down for Databricks so we can configure clusters and run n...
- 5035 Views
- 3 replies
- 0 kudos
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@Espen Solvang​ - Just thought of checking with you, could you please let us know if you require further assistance on this?
- 0 kudos
- 5104 Views
- 2 replies
- 0 kudos
How can I run a streaming query on a new table with tbl property: change data feed enabled?
In Databricks on AWS, I am trying to run a streaming query (trigger=Once) with delta.enableChangeDataFeed=true in the table definition as instructed, but this always fails with :ERROR: Some streams terminated before this command could finish! com.d...
- 5104 Views
- 2 replies
- 0 kudos
- 0 kudos
Hi @daniel e​ Can you try running the select command on table changes from 0th version and see if you get output?SELECT * FROM table_changes('tableName', 0)Also, Please share the streaming query that you are running.
- 0 kudos
- 3321 Views
- 2 replies
- 3 kudos
Does exist the ability to run jobs with integration tests from the Databricks interface?
Currently, Nutter could be run inside a common CI/CD pipeline from GitLab, but need the possibility to run jobs with integration tests from the Databricks interface.How to use Nutter directly from Databricks?Does exist any integration test examples a...
- 3321 Views
- 2 replies
- 3 kudos
- 3 kudos
Hi @Dmitrii Kalashnikov​,You could find examples and more details here https://github.com/alexott/databricks-nutter-repos-demo
- 3 kudos
- 8986 Views
- 5 replies
- 1 kudos
Resolved! ApprodxQuantile does not seem to be working with delta live tables (DLT)
HI,I am tying to use the approxQuantile() function and populate a list that I made, yet somehow, whenever I try to run the code it's as if the list is empty and there are no values in it.Code is written as below:@dlt.table(name = "customer_order_silv...
- 8986 Views
- 5 replies
- 1 kudos
- 1 kudos
Maybe try to use (and the first test in the separate notebook) standard df = spark.read.table("customer_order_silver") to calculate approxQuantile.Of course, you need to set that customer_order_silver has a target location in the catalog, so read us...
- 1 kudos
- 5944 Views
- 2 replies
- 0 kudos
Resolved! facing issue mentioned in body when connecting event hub with databricks , followed earlier discussion on this but no solution
ERROR: Query termination received for [id=37bada03-131b-4fbb-8992-a427263fef2c, runId=cf3d7c18-780e-43ae-aed0-9daf2939b823], with exception: java.lang.IllegalArgumentException: Input byte array has wrong 4-byte ending unit at java.util.Base64$Decoder...
- 5944 Views
- 2 replies
- 0 kudos
- 0 kudos
The issue could be due to the mismatch in the eventHub jar and the dependencies added. Also, not all the required dependencies may be added.Suggestions:Using the azure_eventhubs_spark_2_12_.jar eventHub spark jar along with the following dependencies...
- 0 kudos
- 5749 Views
- 4 replies
- 7 kudos
I'd like to ingest data into my ADLS from sql server in an incremental manner using Delta Live Tables.
I'd like to ingest data into my ADLS from sql server in an incremental manner using Delta Live Tables. I do not want to use any staging tables. I was using CDC, While I call dlt.apply_changes, its asking me to specify source and target. SInce source ...
- 5749 Views
- 4 replies
- 7 kudos
- 7 kudos
If you have a CDC feed, looks like we can use this: https://docs.databricks.com/workflows/delta-live-tables/delta-live-tables-cdc.html
- 7 kudos
- 4755 Views
- 3 replies
- 2 kudos
Error while optimizing the table . Failure of InSet.sql for UTF8String collection
count of the table : 1125089 for october month data , So I am optimizing the table. optimize table where batchday >="2022-10-01" and batchday<="2022-10-31"I am getting error like : GC overhead limit exceeded at org.apache.spark.unsafe.types.UTF8St...
- 4755 Views
- 3 replies
- 2 kudos
- 2 kudos
Hi @Nagini Sitaraman​ To understand the issue better I would like to get some more information. Does the error occur at the driver side or executor side? Can you please share the full error stack trace? You may need to check the spark UI to find wher...
- 2 kudos
- 28620 Views
- 2 replies
- 13 kudos
Understanding Rename in Databricks Now there are multiple ways to rename Spark Data Frame Columns or Expressions. We can rename columns or expressions...
Understanding Rename in DatabricksNow there are multiple ways to rename Spark Data Frame Columns or Expressions.We can rename columns or expressions using alias as part of selectWe can add or rename columns or expressions using withColumn on top of t...
- 28620 Views
- 2 replies
- 13 kudos
- 5387 Views
- 2 replies
- 2 kudos
Issue connecting to SQL warehouse spark thrift server
we have a library that allows dotnet applications to talk to databricks clusters (https://github.com/clearbank/SparkSqlClient). This communicates with the clusters over the spark thrift serverAlthough this works great for clusters in the "data scienc...
- 5387 Views
- 2 replies
- 2 kudos
- 2 kudos
I have tried those connection details however it they give me 400 errors when trying to connect directly using the hive thrift server contract (https://github.com/apache/hive/blob/master/service-rpc/if/TCLIService.thrift). I do not get the issues whe...
- 2 kudos
- 2915 Views
- 2 replies
- 1 kudos
Unexpected workspace setup dialog in the account
Greetings,Recently we were doing cleanups in AWS and removed some Databricks related resources that were used only once for setting up our workspace and were not used since then.Since there is no plan to create any other workspaces the decision was t...
- 2915 Views
- 2 replies
- 1 kudos
- 1 kudos
The resources that were cleaned up were just the ones that were used for the initial setup of the workspace, everything else important for the day to day operation are in place and we are actively using the workspace, therefore there is no plan to de...
- 1 kudos
- 2197 Views
- 1 replies
- 2 kudos
Can Databricks Certified Data Engineer Professional exam questions be short and easy to understand?
The Databricks Certified Data Engineer Professional exam most questions are too long for those English as second language. Not enough time to read through the questions and sometimes hard to comprehend
- 2197 Views
- 1 replies
- 2 kudos
- 2 kudos
I strongly agree with you. There is not a Spanish version of this exam. Those exam are long even for native speakers just imagine for people with English as a second language. For instance, since Amazon does not have a Spanish version, they took this...
- 2 kudos
- 10814 Views
- 3 replies
- 2 kudos
Resolved! Pyspark - How do I convert date/timestamp of format like /Date(1593786688000+0200)/ in pyspark?
Hi all, I've a dataframe with CreateDate column with this format:CreateDate/Date(1593786688000+0200)//Date(1446032157000+0100)//Date(1533904635000+0200)//Date(1447839805000+0100)//Date(1589451249000+0200)/and I want to convert that format to date/tim...
- 10814 Views
- 3 replies
- 2 kudos
- 2 kudos
Hi @Bruno Franco​ ,Can you please try the below code, hope it might for you.from pyspark.sql.functions import from_unixtime from pyspark.sql import functions as F final_df = df_src.withColumn("Final_Timestamp", from_unixtime((F.regexp_extract(col("Cr...
- 2 kudos
- 3169 Views
- 2 replies
- 1 kudos
Given user id, what API can we use to find out which cluster the user is connected to?
I want to know the cluster that user is connected to in databricks. It would be great if we can also get the duration that the user is connected.
- 3169 Views
- 2 replies
- 1 kudos
- 1 kudos
You can track activity logs by activating audit logs.I'm not sure which cloud provider you're using, but ex. for Azure you can find a manual here:https://learn.microsoft.com/en-us/azure/databricks/administration-guide/account-settings/audit-logs
- 1 kudos
- 1711 Views
- 1 replies
- 1 kudos
What are the requirements in order for the event log to collect backlog metrics?
I am trying to use the event log to collect metrics on the 'flow_progess' under the 'event_type' field. In the the docs it suggests that this information may not be collected based on the data source and runtime used (see screenshot). Can anyone let ...
- 1711 Views
- 1 replies
- 1 kudos
- 1 kudos
Thanks for contacting Databricks Support! I understand that you're looking for information on unsupported data source types and runtimes for the backlog metrics. Unfortunately, we currently have not documented that information. It's possible that som...
- 1 kudos
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